ASRT Exam 3 Questions and Answers
The unit measure for collective-effective dose is:
a. gray.
b. sievert.
c. person-sievert.
d. roentgen. - Correct Answers -c
Epistaxis is the medical term for:
a. double vision.
b. dizziness upon standing.
c. a nosebleed.
d. fainting. - Correct Answers -c
Which of the following is FALSE regarding a colostomy study of the large intestine?
a. Bowel preparation includes irrigation of the stoma on the night before and the
morning of the exam.
b. The radiographer should insert the catheter tip into the patient's stoma.
c. The same barium sulfate formula is used as for routine contrast enema studies.
d. Sterile technique is not required to perform the exam. - Correct Answers -b
A bit depth of ________ bits produces an image with the greatest contrast resolution.
a. 8
b. 10
c. 12
d. 14 - Correct Answers -d
The air-gap technique uses a ________ source-to-image distance (SID) and a
________ object-to-image
distance (OID).
a. short; short
b. short; long
c. long; short
d. long; long - Correct Answers -d
What is hypervolemia?
a. excess fluid in the blood
b. excessive cleansing of the colon
c. excessive loss of body water
d. excess sodium in the blood - Correct Answers -a
, On a PA axial projection of the mandibular rami, the ________ line should be
perpendicular to the image
receptor for accurate flexion.
a. acanthiomeatal (AML)
b. glabellomeatal (GML)
c. infraorbitomeatal (IOML)
d. orbitomeatal (OML) - Correct Answers -d
Which of the following x-ray generators will yield the highest tube output if an exposure
is made using 75
kVp and 12 mAs, and all other factors are equal?
a. 3-phase, 6-pulse
b. single-phase, full-wave
c. 3-phase, 12-pulse
d. single-phase, half-wave - Correct Answers -c
All of the following demonstrate adherence to the as low as reasonably achievable
(ALARA) principle
EXCEPT:
a. using gonadal shielding.
b. minimizing repeat images.
c. wearing occupational dosimeters.
d. collimating to area of interest. - Correct Answers -c
The average oxygen delivery rate via nasal cannula for a patient who is having a difficult
time breathing
and does NOT have a documented lung disease is:
a. 0.5 to 2.0 L/min.
b. 1 to 6 L/min.
c. 4 to 9 L/min.
d. 10 to 12 L/min. - Correct Answers -b
When evaluating an oblique image of the L-spine, the radiographer notices that the eye
of the "Scottie
dog" is projected on the anterior aspect of the vertebral body. This indicates that the:
a. patient was not rotated enough.
b. central ray was not angled enough.
c. patient was rotated too much.
d. central ray was angled too much - Correct Answers -a
A barium enema bag usually is hung no higher than ________ above a patient's rectum.
a. 12 inches
b. 24 inches
c. 36 inches
d. 48 inches - Correct Answers -b
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