The Anode Heel Effect is FAKE!

Beese and Marquez made me do this!

12 MSDS documents are likely to be needed in the event of

a chemical spill

 The term for loss of bladder or bowel control is

incontinence

110/78 mm Hg is a typical measurement for which of the following vital signs?

Blood pressure

Particles of evaporated droplets containing microorganisms and measuring 5 μm or smaller are called

droplet nuclei

An object that has been contaminated with a pathogenic organism is called a

Fomite

Mucocutaneous Candida, disseminated herpes, cytomegalovirus, and Pneumocystis carinii pneumonia are all examples of

opportunistic infections associated with AIDS

The name given to a medication by the manufacturer is called its _______ name

proprietary

When medication is injected into the spinal canal, the method of administration is called

intrathecal

 The normal heart rate for an adult is

60 to 100 bpm

Which of the following is not worn by a radiographer when performing imaging procedures in surgery?

Sterile gown

Which of the following is the upper boundary dose of ionizing radiation that results in a negligible risk of body injury or hereditary damage?

Effective dose limit (EDL)

Types of secondary radiation barriers include:

1. the control booth

2. x-ray tube housing

3. lead aprons

1,2, and 3

As a consequence of their anatomic location, the female reproductive organs receive about _______ exposure during a radiographic procedure involving the pelvic region than do the male reproductive organs.

Three times more

An equivalent dose as low as 0.25 Sv delivered to the whole body may cause which of the following within a few days?

A decrease in the number of lymphocytes in the circulating blood

If an individual receives 50 mGy while standing 4 feet from a source of ionizing radiation for 2 minutes, which of the following options will most effectively reduce his or her radiation exposure to that source of ionizing radiation?

Standing 8 feet from the source for 2 minutes

Which of the following is the ratio of the radiation dose required to cause a particular biologic response of cells in an oxygen-deprived environment to the radiation dose required to generate an identical response under normal oxygenated conditions?

oxygen enhancement ratio

Which of the following aluminum equivalents for total filtration meets the minimum requirement for mobile diagnostic and fluoroscopic equipment?

2.5 mm aluminum equivalent

Which of these body tissues is considered to be the most radiosensitive?

Lung

Which of the following agencies is responsible for enforcing radiation safety standards?

NRC

Biologic material is least sensitive to irradiation under which of the following conditions?

Anoxic

Which of the following have similar numeric values?

1. Quality factor (Q)

2. WR

3. WT

1 and 2 only

Which of the following was used as the first quantity of exposure for ionizing radiation?

Skin erythema

Pediatric patients require special consideration and appropriate radiation protection procedures because they are more vulnerable to which of the following?

Both the late somatic effects and genetic effects of radiation

Which of the following is the tissue weighting factor (WT) for the stomach?

0.12

Which of the following terms describes the amount of energy per unit mass transferred from an x-ray beam to an object, such as the human body?

Absorbed dose

A Bucky slot shielding device of at least _____ must automatically cover the Bucky slot opening during a fluoroscopic examination when the Bucky tray is positioned at the foot end of the table.

0.25 mm lead equivalent

What is the process of assigning a numerical value to represent a brightness value?

Quantization

What is the voltage ripple within a 3-phase 6-pulse x-ray system?

14%

During a Compton interaction, the most energy will be given to the recoil electron when:

the deflection angle gets closer to 180 degrees

Without exposure technique compensation, increasing the OID by 4 inches for a knee image would

• increase magnification

• decrease receptor exposure

• increase contrast

What is the relationship between milliamperage (mA) and exposure time to maintain the exposure to the image receptor?

Inversely proportional

A wider window width ____.

Decreases contrast

Which of the following indicates that the CR was not angled enough for the AP axial skull (Towne) projection?

The dorsum sellae and posterior clinoid processes are projected superior to the foramen magnum

Which of the following abdominal regions contains the spleen?

Left hypochondrium

How should the technologist alter the manual exposure factors for a patient with an additive pathology?

Increase the kVp slightly (+)

Which two structures of the large intestine are demonstrated primarily with the AP oblique projection, LPO position?

Right colic flexure and Ascending colon

Which two specific oblique positions can be used to elongate the left axillary portion of the ribs?

RAO and LPO

An 8-year-old girl comes to the radiology department with an elbow injury. The routine study shows possible non-displaced fracture of the coronoid process. Other than the medial oblique, what projection can be performed to demonstrate the coronoid process?

Coyle method with 45o CR away from the shoulder

A radiograph of a lateral knee shows that the posterior border of the medial femoral condyle is not superimposed but is slightly posterior to the lateral condyle. The fibular head is also completely superimposed by the tibia. What type of positioning error led to this outcome?

Insufficient rotation of the knee

How many degrees are in the angle formed between MSP and the petrous pyramids in the dolichocephalic skull?

40 degrees

A child goes to radiology for an abdomen study. It is possible that he swallowed a coin. The ER physician believes it may be in the upper GI tract. Which of the following routines would best identify the location of the coin?

KUB and lateral abdomen

Which thoracic vertebra(e) contain(s) both a whole and demi costal facet?

T1 only