RAD1001: Patient Care and Med Term TEST THREE (Renee MXCC)

What is diagnostic yield in medical imaging?

A. The total radiation dose delivered to the patient during a diagnostic procedure

B. The accuracy of diagnostic information contained on a medical image

C. The amount of clinically useful information contained on a diagnostic image

D. The speed at which a diagnostic image can be processed and interpreted

C. The amount of clinically useful information contained on a diagnostic image.

Which statement best describes the five imaging modalities that provide specialized clinical information?

A. Radiography, sonography, CT scanning, MRI scanning and nuclear medicine

B. Fluoroscopy, angiography, mammography, PET scanning, and thermography

C. Tomography, radiography, ultrasound, MRI scanning, and spectroscopy

D. Radiography sonography CT scanning MRI scanning and echocardiography

A. Radiography sonography CT scanning MRI scanning and nuclear medicine.

What is an ordering consideration for diagnostic yield?

A. Each modality has identical requirements for patient preparation

B. Each modality has its own considerations for ordering the procedure

C. Each modality requires the same level of radiation exposure

D. Each modality produces images of equal diagnostic quality

B. Each modality has its own considerations for ordering the procedure.

What do physicians expect when exams are ordered?

A. A certain amount of diagnostic efficacy

B. A certain amount of diagnostic yield

C. A certain amount of radiation exposure

D. A certain amount of procedural time

B. A certain amount of diagnostic yield.

What do competent imaging professionals strive to accomplish?

A. Minimize diagnostic yield while maximizing input factors

B. Minimize patient comfort while maximizing procedural speed

C. Maximize radiation dose while minimizing image quality

D. Maximize diagnostic yield using a minimum of input factors

D. Maximize diagnostic yield using a minimum of input factors.

What is diagnostic efficacy?

A. The amount of clinically useful information contained on an image

B. The accuracy of diagnostic information on a medical image

C. The speed at which diagnostic results are delivered to physicians

D. The total number of images produced during an examination

B. The accuracy of diagnostic information on a medical image.

What detracts from diagnostic efficacy?

A. Insufficient radiation exposure that limits visualization of anatomical structures

B. Inadequate collimation that permits unnecessary exposure beyond the region of interest

C. Extraneous information that does not reflect the patient's true medical condition

D. Excessive patient motion that reduces sharpness during the imaging procedure

C. Extraneous information that does not reflect the patient's true medical condition.

What must be optimized as the standard of care in medical imaging?

A. Radiation dose and procedural speed

B. Image resolution and contrast levels

C. Patient comfort and equipment longevity

D. Diagnostic efficacy and diagnostic yield

D. Diagnostic efficacy and diagnostic yield.

What are the three major components of the X-ray tube?

A: The cathode the anode and the glass envelope

B: The filament the focusing cup and the rotor

C: The stator the rotor and the protective housing

D: The cathode the anode and the oil coolant

A. The cathode the anode and the glass envelope

What does the X-ray tube convert electrical energy into?

A. X-rays and light

B. Heat and sound

C. X-rays and heat

D. Light and heat

C. X-rays and heat.

What are the three core requirements for X-ray production in the tube?

A. A source of protons, a means of accelerating protons, and a way to suddenly stop the protons

B. A source of electrons, a means of accelerating electrons, and a way to suddenly stop the electrons

C. A source of neutrons, a means of accelerating neutrons, and a way to suddenly stop the neutrons

D. A source of ions, a means of accelerating ions, and a way to suddenly stop the ions

B. A source of electrons, a means of accelerating electrons, and a way to suddenly stop the electrons

What percentage of electron energy is converted into heat?

A. 1%

B. 50%

C. 99%

D. 75%

C. 99%.

What percentage of electron energy is converted into X-rays?

A. 99%

B. 50%

C. 25%

D. 1%

D. 1%.

Which statement best describes the five X-ray machine design features?

A. X-ray tube and support, filter assembly, radiographic table, transformer console, and wall receptor

B. X-ray tube and housing, collimator assembly, radiographic chair, generator console, and portable detector

C. X-ray tube and support, collimator assembly, radiographic table, X-ray generator and control, and upright image receptor

D. X-ray tube and support, collimator assembly, radiographic table, X-ray generator and control, and portable photo receptor

C. X-ray tube and support collimator assembly radiographic table X-ray generator and control and upright image receptor.

What is the polarity of the cathode?

A. Positive

B. Neutral

C. Negative

D. Variable

C. Negative.

What is the polarity of the anode?

A. Negative

B. Neutral

C. Variable

D. Positive

D. Positive.

What are the two filaments in the cathode used for?

A: Producing two separate electron beams during a single exposure

B: Selecting different focal spot sizes small or large

C: Controlling the rotation speed of the anode during exposure

D: Regulating the voltage supplied to the tube during exposure

B. Selecting different focal spot sizes small or large.

What is thermionic emission?

A: The release of electrons from a heated filament

B: The acceleration of electrons toward the anode target

C: The absorption of electrons by the focusing cup

D: The collision of electrons with the anode focal track

A. The release of electrons from a heated filament.

What is the space charge?

A: Electrons that have struck the anode and produced X-rays

B: Electrons hovering around the heated filament before exposure

C: Electrons that have escaped through the glass envelope

D: Electrons flowing through the rotor during anode rotation

B. Electrons hovering around the heated filament before exposure.

What is the primary function of the focusing cup?

A: To rotate the anode during the exposure

B: To cool the filament between exposures

C: To concentrate the electron stream toward the focal spot

D: To filter low-energy X-rays from the beam

C. To concentrate the electron stream toward the focal spot.

What happens if the focusing cup does not function properly?

A: The filament stops emitting electrons entirely

B: The anode rotation speed decreases during exposure

C: The electron stream spreads over a wider area

D: The glass envelope develops excessive tungsten deposits

C. The electron stream spreads over a wider area.

The conversion of energy that produces x-rays is a result of _____ striking the _____.

A. Electrons; anode

B. Protons; cathode

C. X-rays; anode

D. Electrons; cathode

A. Electrons; anode

What accelerates electrons from cathode to anode?

A. The low potential difference between cathode and anode

B. The high potential difference between cathode and anode

C. The thermal energy applied to the cathode filament

D. The mechanical rotation of the anode assembly

B. The high potential difference between cathode and anode.

What determines the number of X-rays produced during an exposure?

A: The speed of anode rotation during the exposure

B: The angle of the anode target relative to the beam

C: The number of electrons released from the cathode

D: The thickness of the glass envelope around the tube

C. The number of electrons released from the cathode.

What is the purpose of the cathode's filament and focusing cup arrangement?

A: To cool the anode during prolonged exposures

B: To direct electrons toward the selected focal spot

C: To filter the X-ray beam before it exits the tube

D: To rotate the anode at the correct speed

B. To direct electrons toward the selected focal spot.

What does focal spot size selection depend on?

A. The required image sharpness and the anode's ability to withstand heat concentration during exposure

B. The required image sharpness and the tube voltage (kVp) selected for the exposure

C. The required image contrast and the anode's ability to withstand heat concentration during exposure

D. The required image contrast and the tube voltage (kVp) selected for the exposure

A. The required image sharpness and the anode's ability to withstand heat concentration during exposure

What is the focal track?

A: The circular area on the rotating anode struck by electrons

B: The copper stem that conducts heat away from the anode

C: The graphite lining that improves heat loading

D: The thin section of glass beneath the anode

A. The circular area on the rotating anode struck by electrons.

Why does the anode rotate during exposure?

A: To increase the number of electrons released from the filament

B: To spread heat over a larger area of the anode disc

C: To reduce the apparent focal spot size during exposure

D: To minimize the accumulation of tungsten vapor

B. To spread heat over a larger area of the anode disc.

What is the primary function of the anode disc in a rotating-anode X-ray tube?

A. To release negatively charged electrons through thermionic emission and direct them toward the cathode before space charge

B. To control the exposure time, size, and speed and regulate the amount of radiation produced after exposure

C. To absorb low-energy photons and negatively charged electrons and reduce patient radiation dose without needing an IR grid

D. To provide a rotating target that spreads heat over a larger area while producing X-rays when struck by high-speed electrons

D. To provide a rotating target that spreads heat over a larger area while producing X-rays when struck by high-speed electrons

What can happen if the anode does not rotate properly?

A: The filament may fail to emit sufficient electrons

B: The focusing cup may lose its charge

C: The anode target may overheat and become damaged

D: The glass envelope may crack from thermal stress

C. The anode target may overheat and become damaged.

What is the purpose of the graphite lining on the back of the anode disc?

A: To improve heat loading

B: To increase X-ray production

C: To reduce leakage radiation

D: To enhance anode rotation

A. To improve heat loading.

Why is tungsten used for the anode target?

A: It has a low atomic number and high thermal conductivity

B: It has a high atomic number and a very high melting point

C: It has a low melting point and high electrical resistance

D: It has a high atomic number and low heat capacity

B. It has a high atomic number and a very high melting point.

What happens to the apparent focal spot when the anode angle decreases?

A: It appears larger reducing recorded image detail

B: It appears smaller improving recorded image detail

C: It remains unchanged regardless of anode angle

D: It appears smaller but reduces recorded image detail

B. It appears smaller improving recorded image detail.

What is the line focus principle?

A: The actual focal spot is smaller than the apparent focal spot

B: The apparent focal spot is smaller than the actual focal spot

C: The focal spot size remains constant regardless of anode angle

D: The focal spot size decreases as the anode angle increases

B. The apparent focal spot is smaller than the actual focal spot.

What material is the X-ray tube glass envelope made from, and what is its function?

A. Borosilicate glass that protects the tube components from heat

B. Quartz glass that prevents radiation from escaping the tube

C. Pyrex glass that maintains a high-vacuum environment

D. Lead glass that absorbs radiation produced inside the tube

C. Pyrex glass that maintains a high-vacuum environment.

What is the purpose of the stator?

A: To conduct heat away from the anode target

B: To produce a magnetic field that rotates the rotor

C: To provide electrical insulation around the tube

D: To filter low-energy X-rays from the beam

B. To produce a magnetic field that rotates the rotor.

What is the function of the bearings in the rotating anode assembly?

A: To conduct heat away from the focal track

B: To produce the magnetic field that drives rotation

C: To allow smooth rotation of the anode

D: To insulate the anode from the cathode

C. To allow smooth rotation of the anode.

What encloses the X-ray tube with what housing?

A. A protective aluminum-lined housing

B. A protective lead-lined housing

C. A protective copper-lined housing

D. A protective tungsten-lined housing

B. A protective lead-lined housing.

What are the two major purposes of the oil inside the protective housing?

A: To cool the X-ray tube and provide electrical insulation

B: To lubricate the rotor and reduce friction during rotation

C: To filter the X-ray beam and reduce patient dose

D: To conduct electricity and rotate the anode

A. To cool the X-ray tube and provide electrical insulation.

What is meant by directed beam emission in an x-ray tube?

A. X-radiation disperses through the tube housing in all directions

B. X-radiation exits through the filament toward the image receptor

C. X-radiation remains within the tube until absorbed by shielding

D. X-radiation exits through the housing window directly toward the patient

D. X-radiation exits through the housing window directly toward the patient.

What is leakage radiation?

A: Radiation that exits through the window as the primary beam

B: Radiation escaping in directions other than the intended primary beam

C: Radiation produced when electrons strike the glass envelope

D: Radiation emitted from the filament during thermionic emission

B. Radiation escaping in directions other than the intended primary beam.

What is radiopaque? How does a radiopaque structure appear on a radiograph?

A. X-rays pass easily through less dense structures and hit the detector fully; Black

B. X-rays are absorbed by dense structures and do not reach the detector; White

C. X-rays are scattered by moderate density structures before reaching the detector; Gray

D. X-rays are refracted by varying tissue densities and partially reach the detector; Clear

B. X-rays are absorbed by dense structures and do not reach the detector; White

What are examples of radiopaque structures?

A. Background air, air in the lungs, and body fat

B. Fat, water, and soft tissue

C. Muscle, water, and blood vessels

D. Bone, metal, and protective lead shields

D. Bone, metal, and protective lead shields

What is radiolucent, and how does a radiolucent structure appear on a radiograph?

A. X-rays are absorbed by dense structures, producing a white appearance on the radiograph.

B. X-rays are scattered by moderate-density structures, producing a gray appearance on the radiograph.

C. X-rays are refracted by varying tissue densities, producing a gray appearance on the radiograph.

D. X-rays pass easily through less-dense structures, producing a black appearance on the radiograph

D. X-rays pass easily through less-dense structures, producing a black appearance on the radiograph.

What are examples of radiolucent structures?

A. Bone, metal, and protective lead shields

B. Tooth enamel, bone, and cartilage

C. Muscle, water, and blood vessels

D. Background air, air in the lungs, and body fat

D. Background air, air in the lungs, and body fat

Why is a radiograph described as a negative photograph?

A. Less dense areas appear white and dense areas appear black

B. Dense areas appear white and less dense areas appear black

C. All areas appear gray regardless of tissue density

D. Dense areas appear clear and less dense areas appear white

B. Dense areas appear white and less dense areas appear black.

What is attenuation?

A. The primary x-ray beam is completely absorbed as it passes through the body

B. The primary x-ray beam is altered as it passes through the body with a portion absorbed and the rest transmitted

C. The primary x-ray beam is refracted as it passes through the body with all portions transmitted

D. The primary x-ray beam is scattered as it passes through the body with no portion absorbed

B. The primary x-ray beam is altered as it passes through the body with a portion absorbed and the rest transmitted.

What determines attenuation?

A. Tissue temperature and blood flow

B. Tissue thickness and vascularity

C. Tissue elasticity and composition

D. Tissue density and atomic number

D. Tissue density and atomic number.

What is remnant radiation?

A. The part of the primary beam that is absorbed by the patient

B. The part of the primary beam that is scattered by the patient

C. The part of the primary beam that passes through the patient

D. The part of the primary beam that is refracted by the patient

C. The part of the primary beam that passes through the patient.

What factors affecting the image are related to subject density and thickness?

A. Air or gas, fat, water, muscle, bone, and tooth enamel

B. kVp, mAs, exposure time, focal spot size, and source-to-image distance

C. Cathode, anode, collimator, generator, and image receptor

D. Attenuation, magnification, distortion, motion, and scatter radiation

A. Air or gas, fat, water, muscle, bone, and tooth enamel

What does the collimator assembly control?

A. The intensity and energy of the x-ray beam directed toward the patient

B. The quality and penetrability of the x-ray beam directed toward the patient

C. The speed and duration of the x-ray exposure directed toward the patient

D. The size and shape of the x-ray field directed toward the patient

D. The size and shape of the x-ray field directed toward the patient.

What does light field projection accomplish?

A. It projects a low-intensity light field on the patient representing the area of exposure

B. It projects a low-intensity light field on the detector representing the area of exposure

C. It projects a high-intensity light field on the detector representing the area of exposure

D. It projects a high-intensity light field on the patient representing the area of exposure

D. It projects a high-intensity light field on the patient representing the area of exposure.

How may the collimator be adjusted?

A. Manually or automatically via Anatomically Programmed Radiography

B. Manually or automatically via Automatic Exposure Control

C. Manually or automatically via Positive Beam Limitation

D. Manually or automatically via Digital Image Enhancement

C. Manually or automatically via Positive Beam Limitation.

What does field reduction accomplish?

A. It expands exposure to the surrounding clinical area and maximizes patient dose

B. It restricts exposure to the specific clinical area of interest and minimizes patient dose

C. It restricts exposure to the specific clinical area of interest and maximizes patient dose

D. It expands exposure to the surrounding clinical area and minimizes patient dose

B. It restricts exposure to the specific clinical area of interest and minimizes patient dose.

What are the design features of X-ray tube supports?

A. Efficient positioning, versatile motion, and patient-centric design

B. Efficient positioning, limited motion, and equipment-centric design

C. Precise positioning, versatile motion, and equipment-centric design

D. Precise positioning, limited motion, and patient-centric design

A. Efficient positioning, versatile motion, and patient-centric design

What are the two basic X-ray tube support configurations?

A. Wall-mounted tube stands and floor-suspended tube cranes

B. Floor-mounted tube stands and ceiling-suspended tube cranes

C. Ceiling-mounted tube stands and floor-suspended tube cranes

D. Floor-mounted tube stands and wall-suspended tube cranes

B. Floor-mounted tube stands and ceiling-suspended tube cranes.

What are the five core overhead tubecrane motions?

A. Lateral, transverse, vertical, rotation, and tube angulation

B. Longitudinal, transverse, horizontal, rotation, and tube angulation

C. Longitudinal, transverse, vertical, rotation, and tube angulation

D. Longitudinal, sagittal, vertical, rotation, and tube angulation

C. Longitudinal, transverse, vertical, rotation, and tube angulation

What is longitudinal motion of an overhead tubecrane?

A. Travel across the width of the table

B. Travel along the length of the table

C. Travel perpendicular to the table

D. Travel diagonal to the table

B. Travel along the length of the table.

What is transverse motion of an overhead tubecrane?

A. Travel along the length of the table

B. Travel across the width of the table

C. Travel perpendicular to the table

D. Travel diagonal to the table

B. Travel across the width of the table.

What is vertical motion of an overhead tubecrane?

A. Side-to-side adjustments

B. Front-to-back adjustments

C. Up-and-down adjustments

D. Rotational adjustments

C. Up-and-down adjustments.

What is rotation motion of an overhead tubecrane?

A. Angling the beam path as needed

B. Travel across the width of the table

C. Travel along the length of the table

D. Pivoting around the support axis

D. Pivoting around the support axis.

What is tube angulation?

A. Pivoting around the support axis

B. Travel along the length of the table

C. Angling the beam path as needed

D. Travel across the width of the table

C. Angling the beam path as needed.

What are user-friendly overhead tubecrane features?

A. Tubehead control instant image review and safety protocol

B. Tubehead control delayed image review and safety protocol

C. Generator control instant image review and safety protocol

D. Tubehead control instant image deletion and safety protocol

A. Tubehead control instant image review and safety protocol.

What does tubehead control allow?

A. Selection of exposure factors at the generator with a flat panel screen

B. Selection of exposure factors at the tubehead with a flat panel screen

C. Selection of exposure factors at the control booth with a flat panel screen

D. Selection of exposure factors at the detector with a flat panel screen

B. Selection of exposure factors at the tubehead with a flat panel screen.

What are the key features of a radiographic table?

A. Height flexibility, fixed tabletop, radiolucency, and tilting capability

B. Height flexibility, floating tabletop, radiolucency, and rotating capability

C. Height flexibility, floating tabletop, radiopacity, and tilting capability

D. Height flexibility, floating tabletop, radiolucency, and tilting capability

D. Height flexibility, floating tabletop, radiolucency, and tilting capability

What is a floating tabletop?

A. A two-way tabletop

B. A three-way tabletop

C. A four-way tabletop

D. A six-way tabletop

C. A four-way tabletop.

Why is the tabletop highly radiolucent?

A. To maximize absorption

B. To minimize absorption

C. To maximize scatter

D. To minimize scatter

B. To minimize absorption.

What is the dual-component design of the Bucky assembly?

A. A receptor tray and a radiographic filter

B. A receptor tray and a radiographic grid

C. A cassette holder and a radiographic filter

D. A cassette holder and a radiographic grid

B. A receptor tray and a radiographic grid.

What does receptor alignment in the Bucky assembly do?

A. It holds the receptor loosely and centers it to the table's transverse axis

B. It holds the receptor tightly and centers it to the table's longitudinal axis

C. It holds the receptor tightly and centers it to the table's transverse axis

D. It holds the receptor loosely and centers it to the table's longitudinal axis

B. It holds the receptor tightly and centers it to the table's longitudinal axis.

What systems is the Bucky assembly compatible with?

A. Film-screen and digital radiography systems

B. Film-screen and fluoroscopy systems

C. Digital radiography and computed radiography systems

D. Film-screen and computed radiography systems

D. Film-screen and computed radiography systems.

When is a grid indicated for thick body parts?

A. The thickness exceeds 13 cm

B. The thickness exceeds 10 cm

C. The thickness exceeds 9 cm

D. The thickness exceeds 4 cm

A. The thickness exceeds 13 cm

When is a grid indicated for high kVp levels?

A. For procedures using exposure factors greater than 60 kVp

B. For procedures using exposure factors greater than 70 kVp

C. For procedures using exposure factors greater than 80 kVp

D. For procedures using exposure factors greater than 90 kVp

B. For procedures using exposure factors greater than 70 kVp.

How does the grid absorption mechanism work?

A. Grid lines absorb primary radiation while allowing scattered rays to reach the receptor

B. Grid lines absorb scattered radiation while allowing primary rays to reach the receptor

C. Grid lines absorb both primary and scattered radiation before reaching the receptor

D. Grid lines absorb neither primary nor scattered radiation before reaching the receptor

B. Grid lines absorb scattered radiation while allowing primary rays to reach the receptor.

What does grid oscillation do during exposure?

A. It blurs out the lead grid lines

B. It sharpens the lead grid lines

C. It eliminates the lead grid lines

D. It enhances the lead grid lines

A. It blurs out the lead grid lines.

What are the tilting capabilities of a tilting radiographic table?

A. It tilts from horizontal to vertical upright and down to Fowler

B. It tilts from horizontal to vertical upright and down to Trendelenburg

C. It tilts from horizontal to vertical upright and down to semi-Fowler

D. It tilts from horizontal to vertical upright and down to reverse Trendelenburg

B. It tilts from horizontal to vertical upright and down to Trendelenburg.

What are the key components of an upright Bucky assembly?

A. An upright image receptor holder detents and horizontal tracking

B. An upright cassette holder detents and vertical tracking

C. An upright cassette holder detents and horizontal tracking

D. An upright image receptor holder detents and vertical tracking

D. An upright image receptor holder detents and vertical tracking.

What does the upright image receptor holder do?

A. It holds the image receptor or cassette horizontally for standing radiographic examinations

B. It holds the image receptor or cassette vertically for standing radiographic examinations

C. It holds the image receptor or cassette vertically for recumbent radiographic examinations

D. It holds the image receptor or cassette horizontally for recumbent radiographic examinations

B. It holds the image receptor or cassette vertically for standing radiographic examinations.

What are detents?

A. Electronic sensors or stops that ensure precise centering and alignment of the X-ray tube

B. Mechanical locks or stops that ensure precise centering and alignment of the X-ray tube

C. Mechanical locks or stops that ensure precise centering and alignment of the image receptor

D. Electronic sensors or stops that ensure precise centering and alignment of the image receptor

B. Mechanical locks or stops that ensure precise centering and alignment of the X-ray tube.

What is vertical tracking?

A. The receptor and X-ray tube head move independently vertically to maintain accurate alignment

B. The receptor and X-ray tube head move in unison vertically to maintain accurate alignment

C. The receptor and X-ray tube head move in unison horizontally to maintain accurate alignment

D. The receptor and X-ray tube head move independently horizontally to maintain accurate alignment

B. The receptor and X-ray tube head move in unison vertically to maintain accurate alignment.

What is the primary function of an image receptor?

A. It receives primary radiation from the patient and captures the x-ray energy for processing

B. It receives leakage radiation from the patient and captures the x-ray energy for processing

C. It receives scatter radiation from the patient and captures the x-ray energy for processing

D. It receives remnant radiation from the patient and captures the x-ray energy for processing

D. It receives remnant radiation from the patient and captures the x-ray energy for processing.

How are image receptor systems broadly classified?

A. Screen-based and screenless

B. Cassette-based and cassetteless

C. Film-based and filmless

D. Digital-based and analog-based

B. Cassette-based and cassetteless.

What do modern digital image receptor systems do?

A. They replace film-screen technology and display images directly on a video monitor

B. They replace film-screen technology and display images directly on a printed film

C. They enhance film-screen technology and display images directly on a video monitor

D. They enhance film-screen technology and display images directly on a printed film

A. They replace film-screen technology and display images directly on a video monitor.

Substances that emit visible light when struck by radiation are called which of the following?

A. Contrast agents

B. Image receptors

C. Electrodes

D. Phosphors

D. Phosphors

What is Photostimulable Phosphor technology commonly called?

A. Digital radiography

B. Computed radiography

C. Direct radiography

D. Indirect radiography

B. Computed radiography.

What is the latent image in computed radiography?

A. Electron traps on the plate which is housed in a light-tight cassette

B. Electron traps on the plate which is housed in a light-permeable cassette

C. Proton traps on the plate which is housed in a light-tight cassette

D. Proton traps on the plate which is housed in a light-permeable cassette

A. Electron traps on the plate which is housed in a light-tight cassette.

Which statement about photostimulable phosphor (PSP) technology is correct?

A. The plate requires chemical processing after exposure.

B. The image receptor material is amorphous silicon.

C. The stored image is contained in electron traps in the phosphor layer.

D. The stored image cannot be affected by processing delays.

C. The stored image is contained in electron traps in the phosphor layer

What is the first step of the CR reader process?

A. The cassette with the plate is inserted into a CR reader

B. The plate is removed from the cassette before insertion into a CR reader

C. The cassette with the plate is inserted into a DR reader

D. The plate is removed from the cassette before insertion into a DR reader

A. The cassette with the plate is inserted into a CR reader.

What does the CR reader do after opening the cassette?

A. It scans the plate with a high-energy laser beam

B. It scans the plate with a low-energy laser beam

C. It scans the plate with a high-energy ultrasound beam

D. It scans the plate with a low-energy ultrasound beam

B. It scans the plate with a low-energy laser beam.

What happens when electron traps are excited by laser energy?

A. They absorb their energy as heat

B. They absorb their energy as light

C. They release their energy as heat

D. They release their energy as light

D. They release their energy as light.

How is a CR plate erased after laser scanning?

A. It is exposed to low-intensity white light to release any remaining trapped energy

B. It is exposed to intense ultraviolet light to release any remaining trapped energy

C. It is exposed to intense white light to release any remaining trapped energy

D. It is exposed to low-intensity ultraviolet light to release any remaining trapped energy

C. It is exposed to intense white light to release any remaining trapped energy.

What happens after a CR plate is cleaned?

A. It is stored in a light-tight container for future use

B. It is discarded after a single use and replaced with a new plate

C. It is reinserted into the cassette for reuse and ejected from the reader unit

D. It is transferred to a separate processing unit for final image generation

C. It is reinserted into the cassette for reuse and ejected from the reader unit.

What is the durability of CR imaging plates?

A. They can be used for hundreds of exposures per plate

B. They can be used for thousands of exposures per plate

C. They can be used for a single exposure per plate

D. They can be used for millions of exposures per plate

B. They can be used for thousands of exposures per plate.

What is an important CR consideration regarding plate sensitivity?

A. CR plates are extra sensitive to high-energy radiation after they have been exposed

B. CR plates are less sensitive to high-energy radiation after they have been exposed

C. CR plates are less sensitive to low-energy radiation after they have been exposed

D. CR plates are extra sensitive to low-energy radiation after they have been exposed

D. CR plates are extra sensitive to low-energy radiation after they have been exposed.

What is an important CR consideration regarding processing delay?

A. Electron traps can dissolve with lengthy delays in processing in the reader

B. Electron traps can multiply with lengthy delays in processing in the reader

C. Electron traps can dissolve with brief delays in processing in the reader

D. Electron traps can multiply with brief delays in processing in the reader

A. Electron traps can dissolve with lengthy delays in processing in the reader.

What is an important CR consideration regarding resolution and size?

A. There is no resolution difference among cassette sizes

B. There is a resolution difference among cassette sizes

C. There is a resolution difference among detector types

D. There is no resolution difference among detector types

B. There is a resolution difference among cassette sizes.

What is the key transition in DR technology?

A. Replacing cassette-based systems with flat panel detectors

B. Replacing cassetteless systems with flat panel detectors

C. Replacing cassette-based systems with image intensifier tubes

D. Replacing cassetteless systems with image intensifier tubes

A. Replacing cassette-based systems with flat panel detectors.

What does DR technology improve?

A. It provides significantly reduced spatial resolution and is more dose efficient

B. It provides significantly improved spatial resolution and is less dose efficient

C. It provides significantly improved spatial resolution and is more dose efficient

D. It provides significantly reduced spatial resolution and is less dose efficient

C. It provides significantly improved spatial resolution and is more dose efficient.

How must DR detectors be treated?

A. They are inexpensive assets and must be treated with minimal care

B. They are highly expensive assets and must be treated with extreme care

C. They are inexpensive assets and must be treated with extreme care

D. They are highly expensive assets and must be treated with minimal care

B. They are highly expensive assets and must be treated with extreme care.

What is the only radiation of any clinical value?

A. Radiation that is indirectly absorbed in the detector and converted to a radiographic image

B. Radiation that is directly absorbed in the detector and converted to a radiographic image

C. Radiation that is directly absorbed in the patient and converted to a radiographic image

D. Radiation that is indirectly absorbed in the patient and converted to a radiographic image

B. Radiation that is directly absorbed in the detector and converted to a radiographic image.

What are key features of fluoroscopy?

A. Delayed visualization physiological dynamics perpendicular equipment design and diagnostic scope

B. Real-time visualization physiological dynamics parallel equipment design and diagnostic scope

C. Real-time visualization physiological dynamics perpendicular equipment design and diagnostic scope

D. Delayed visualization physiological dynamics parallel equipment design and diagnostic scope

C. Real-time visualization physiological dynamics perpendicular equipment design and diagnostic scope.