ASRT Exam 3 Questions with 100 Verified

ASRT Exam 3 Questions with 100% Verified Correct Answers 2024/2025

The unit measure for collective-effective dose is:

• gray.
• sievert.
• person-sievert.
• roentgen. - Correct Answer c

Epistaxis is the medical term for:

• double vision.
• dizziness upon standing.
• a nosebleed.
• fainting. - Correct Answer c

Which of the following is FALSE regarding a colostomy study of the large intestine?

• Bowel preparation includes irrigation of the stoma on the night before and the morning of the

exam.

• The radiographer should insert the catheter tip into the patient's stoma.
• The same barium sulfate formula is used as for routine contrast enema studies.
• Sterile technique is not required to perform the exam. - Correct Answer b

A bit depth of ________ bits produces an image with the greatest contrast resolution.

• 8
• 10
• 12
• 14 - Correct Answer d

The air-gap technique uses a ________ source-to-image distance (SID) and a ________ object-to- image distance (OID).

• short; short
• short; long 1 / 3

• long; short
• long; long - Correct Answer d

What is hypervolemia?

• excess fluid in the blood
• excessive cleansing of the colon
• excessive loss of body water
• excess sodium in the blood - Correct Answer a

On a PA axial projection of the mandibular rami, the ________ line should be perpendicular to the image receptor for accurate flexion.

• acanthiomeatal (AML)
• glabellomeatal (GML)
• infraorbitomeatal (IOML)
• orbitomeatal (OML) - Correct Answer 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?

• 3-phase, 6-pulse
• single-phase, full-wave
• 3-phase, 12-pulse
• single-phase, half-wave - Correct Answer c

All of the following demonstrate adherence to the as low as reasonably achievable (ALARA) principle

EXCEPT:

• using gonadal shielding.
• minimizing repeat images.
• wearing occupational dosimeters.
• collimating to area of interest. - Correct Answer c 2 / 3

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:

• 0.5 to 2.0 L/min.
• 1 to 6 L/min.
• 4 to 9 L/min.
• 10 to 12 L/min. - Correct Answer 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:

• patient was not rotated enough.
• central ray was not angled enough.
• patient was rotated too much.
• central ray was angled too much - Correct Answer a

A barium enema bag usually is hung no higher than ________ above a patient's rectum.

• 12 inches
• 24 inches
• 36 inches
• 48 inches - Correct Answer b

Charge created in the amorphous silicon layer is collected at the:

• bias line.
• capacitor.
• scintillator.
• display - Correct Answer b

When positioning for an AP projection of the scapula, the arm on the affected side should be

________

at a right angle to the body. This frees the _______ portion of the scapula of superimposition from the

• / 3