Clover Questions need to review

What type of consent occurs during a standard outpatient two-view chest x-ray examination?

1. Implied

2. Informed

3. Legal

4. Written

1. Implied

After the injection of contrast for an intravenous urogram, it is noticed that the patient is suffering from hydronephrosis. To ensure adequate filling of the ureters with contrast medium, which of the following positions might be added to the examination?

1. LPO

2. Prone

3. RPO

4. Supine

2. Prone

Which of the following age groups may have unpredictable reactions during an X-ray exam, sometimes behaving in a mature fashion and other times in a more childlike manner?

1. Infants (age 0-1)

2. Toddlers (age 1-3)

3. Young Children (age 4-11)

4. Teens (age 12-17)

4. Teens (age 12-17)

The cuboid bone articulates with which of the following bones?

1. 5th metatarsal

2. Medial cuneiform

3. 3rd metatarsal

4. Talus

1. 5th metatarsal

What is the proper method of preparing the skin surface with an antiseptic prior to a surgical procedure?

1. Beginning at the center of the region of interest and moving in a circular motion toward the outside

2. Beginning in one corner of the region of interest and moving in a linear pattern

3. Beginning in the center and moving toward each corner of the region of interest in a linear pattern

4. Beginning outside the area and moving in a circular motion toward the center of the region of interest

1. Beginning at the center of the region of interest and moving in a circular motion toward the outside

Which of the following components should alert a technologist during a fluoroscopic x-ray production after a preset period of time?

1. Cumulative dose timer

2. Cumulative timer

3. Deadman switch

4. Fluorescent timer

2. Cumulative timer

According to the ACR, if cumulative air kerma or air kerma area-product data are not available during a fluoroscopic procedure, which two (2) of the following can be used? (Select two)

1. Cumulative exposure time

2. The amount of contrast media used

3. The type of procedure

4. The number of images taken

1. Cumulative exposure time

4. The number of images taken

The average normal range of creatinine in an adult is:

1. 0.1-1.1 mg/dl

2. 0.7-1.5 mg/dl

3. 2.0-3.4 mg/dl

4. 4-5.5 mg/dl

2. 0.7-1.5 mg/dl

Which three of the following are included in a personnel monitoring report? (Select three)

1. Lifetime-to-date dose equivalent

2. Quarter-to-date dose equivalent

3. Total effective dose equivalent

4. Year-to-date dose equivalent

1. Lifetime-to-date dose equivalent

2. Quarter-to-date dose equivalent

4. Year-to-date dose equivalent

What portion of the x-ray circuit must use alternating current (AC) in order to function correctly?

1. Circuit breakers

2. Kilovoltage peak (kVp) meter

3. Transformers

4. X-ray tube

3. Transformers

Limb-stunting, microcephaly, and genital defects are all examples of:

1. Carcinogenic effects

2. Cerebral effects

3. Lethal effects

4. Teratogenic effects

4. Teratogenic effects

Identify the structure that is represented by the letter (D):

1. Occipital bone

2. Lambdoidal suture

3. Sella turcica

4. Vertex

4. Vertex

Which of the following methods may be used when anatomy or the area of interest is too large to fit on one image receptor?

1. Appending

2. Multiplanar reconstructions

3. Stitching

4. Volume rendering

3. Stitching

Which three of the following statements are true when describing the female pelvis? (Select three)

1. It is heavier than the male pelvis

2. It is wider than the male pelvis

3. The pubic arch forms an acute angle

4. The sacrum has a more pronounced posterior curve

5. The superior aperture (inlet) is oval-shaped

2. It is wider than the male pelvis

4. The sacrum has a more pronounced posterior curve

5. The superior aperture (inlet) is oval-shaped

What percentage of the beam would remain after the application of two half-value layers?

1. 25%

2. 50%

3. 75%

4. 100%

1. 25%

In quality control of imaging equipment, what does the term "linearity" refer to?

1. The ability to produce images with consistent brightness

2. The uniformity of images across various monitors

3. The consistency of radiation output relative to mA settings

4. The precision of geometric representation on images

3. The consistency of radiation output relative to mA settings

What is the primary purpose of performing a daily quality control check on digital radiography systems?

1. To ensure patient information is input correctly

2. To verify the functioning of imaging plates

3. To minimize radiation exposure to patients

4. To check the system's ability to reproduce image contrast

4. To check the system's ability to reproduce image contrast

How many shades of gray can be produced by an 8-bit digital radiography system?

1. 8 shades of gray

2. 64 shades of gray

3. 256 shades of gray

4. 1,024 shades of gray

3. 256 shades of gray
   
   2⁸=256
   

Which patient position would best demonstrate small amounts of fluid in the pleural cavity?

1. Anteroposterior (AP) chest with patient in Trendelenburg position

2. Anteroposterior (AP) supine chest

3. Lateral decubitus position with affected side down

4. Lateral decubitus position with affected side up

3. Lateral decubitus position with affected side down

What term refers to an acute infection of the lung parenchyma or supportive tissue?

1. Asthma

2. Atelectasis

3. Emphysema

4. Pneumonia

4. Pneumonia

What is the degree difference between the orbitomeatal line (OML) and the infraorbitomeatal line (IOML)?

3 degrees

5 degrees

6 degrees

7 degrees

7 degrees

Air kerma is expressed in units of:

Coulomb/kilogram

Gray

Roengten

Sievert

Gray

Which of the following is considered a tort?

Act that results in an injury

Misdemeanor

Type of fracture

Viral infection

Act that results in an injury

If the distance between the anterior superior iliac spine (ASIS) and the tabletop is 22 cm, what central ray angle and direction should be used for an anteroposterior (AP) knee radiograph?

0 degrees (perpendicular)

5 degrees cephalad

10 degrees cephalad

15 degrees cephalad

0 degrees (perpendicular)

Which two of these processes corrects for slight underexposure or overexposure errors caused by incorrect technical factors settings? (Select two)

Histogram analysis

Look-up table (LUT) adjustments

Quantization

Rescaling

Look-up table (LUT) adjustments
Rescaling

The lifetime whole-body dose limit for a radiographer is calculated as:

5 millisieverts (mSv) + 0.5 millisieverts (mSv) per month

Age + 20 millisieverts (mSv)

Age x 10 millisieverts (mSv)

Age x 50 millisieverts (mSv)

Age x 10 millisieverts (mSv)

Where is the proper central ray entrance point for an anteroposterior (AP) projection of the thumb?

Base of first metacarpal

Distal interphalangeal joint of first digit

First metacarpophalangeal joint

Interphalangeal joint of first digit

First metacarpophalangeal joint

Which of the following situations would be an example of libel?

Describing the patient condition with your assigned radiography student

Discussing the x-ray results of a patient with your co-worker in the hospital cafeteria

Noting the location of a suspicious bruise in a potential child abuse case

Writing a negative comment about the patient in the chart

Writing a negative comment about the patient in the chart

Walls that are considered to be secondary barriers should consist of:

0.8 mm (1/32 in) of lead thickness

1.6 mm (1/16 in) of lead thickness

3.2 mm (1/8 in) of lead thickness

4.8 mm (3/16 in) of lead thickness

0.8 mm (1/32 in) of lead thickness

Surgical aseptic technique should be used during which of the following procedures?

Double-contrast barium enema

Intravenous urogram

Myelogram

Pediatric UGI

Myelogram

A technologist is accidentally punctured by a used hypodermic needle. What is the mode of disease transmission in this situation?

Airborne

Fomite

Enteric

Vector

Fomite

Where should the central ray enter for an anteroposterior (AP) radiograph of the hip?

Acetabulum

Femoral neck

Greater trochanter

Lesser trochanter

Femoral neck

Who is required to wear a personnel dosimeter?

Anyone who may be occupationally exposed to more than 5% of the annual dose limit

Anyone who may be occupationally exposed to more than 10% of the annual dose limit

Anyone who works exclusively in non-ionizing imaging modalities

Anyone who is occupationally exposed to any amount of ionizing radiation

Anyone who may be occupationally exposed to more than 10% of the annual dose limit

What is the annual dose equivalent limit for a radiographer’s hands?

50 millisieverts (mSv)

150 millisieverts (mSv)

250 millisieverts (mSv)

500 millisieverts (mSv)

500 millisieverts (mSv)

Consider a technologist that accidentally uses a higher kVp setting than needed for a radiograph of the chest. Which of the following is used to display the image as if it was exposed using proper technical factors?

Histogram analysis

Edge enhancement

Quantization

Rescaling

Rescaling

What is the annual effective dose limit for a radiographer?

150 millisieverts (mSv)

250 millisieverts (mSv)

50 millisieverts (mSv)

500 millisieverts (mSv)

50 millisieverts (mSv)

Which three of these changes will improve the spatial resolution recorded in the radiographic image? (Select three)

Decreased focal spot size (FSS)

Decreased object-to-image distance (OID)

Increased focal spot size (FSS)

Increased object-to-image distance (OID)

Increased source-to-image distance (SID)

Decreased focal spot size (FSS) [SMALL FOCAL SPOT]

Decreased object-to-image distance (OID)

Increased source-to-image distance (SID)

Which of the following structures is located at the level of the interspace between T4 and T5?

Jugular notch

Manubrium

Sternal angle

Xiphoid

Sternal angle

An “apple core” lesion typically is related to which of the following pathologies?

Chondrosarcoma

Cirrhosis

Colon cancer

Renal calculi

Colon cancer

A radiograph of the femur is produced using 12 milliampere-seconds (mAs), 70 kilovoltage peak (kVp), 40-inch source-to-image distance (SID), and an 8-inch object-to-image distance (OID). If the image of the femur measures 22 inches, what is the actual length of the femur?

4.4 inches

15.8 inches

17.6 inches

32 inches

17.6 inches

What is the most likely effect of a large radiation exposure during the first few days of pregnancy?

Anencephaly

Intellectual disability

Preterm birth

Death of the embryo

Death of the embryo

Which chamber of the heart is responsible for pumping blood to the lungs?

Left atrium

Left ventricle

Right atrium

Right ventricle

Right ventricle

“A = Arrive, V = Venture out”

• Atria = Arrive

  • Right atrium → blood arrives from the body

  • Left atrium → blood arrives from the lungs

• Ventricles = Venture out (pump out)

  • Right ventricle → pumps blood to the lungs

  • Left ventricle → pumps blood to the body