ARRT MRI EXAM, FINAL EXAM, PRACTICE EXAM AND STUDY GUIDE 2026 600 QUESTIONS AND CORRECT DETAILED ANSWERSWITH RATIONALES

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ARRT MRI EXAM, FINAL EXAM,

PRACTICE EXAM AND STUDY GUIDE

OVER 600 QUESTIONS AND CORRECT

DETAILED ANSWERS WITH RATIONALES

(ANSWERS)

Question 1. If 300 mA has been selected for a particular exposure, what exposure time would be required to produce 6 mAs?

• 5 ms
• 10 ms
• 15 ms
• 20 ms

Correct Answer: D

Question 2. If a patient is cyanotic, what condition may they be suffering from and what area(s) of the body can the effects be seen?

• insufficient oxygen in body tissues; lips and nailbeds
• excessive oxygen in body tissues; lips and nailbeds
• excessive bile; eyes and skin
• hyperthermia; skin

Correct Answer: A

Question 3. If a radiographer is unable to achieve a short OID because of the structure of the body part or patient condition, which of the following adjustments can be made to minimize magnification distortion?

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• A smaller focal-spot size should be used
• A longer SID should be used
• A shorter SID should be used
• A lower radio grid should be used

Correct Answer: B

Question 4. Why is it important to keep the phalanges parallel to the IR for a PA oblique projection of the hand?

• Prevents foreshortening of phalanges and obscuring of interphalangeal

joints.

• Prevents foreshortening of radiocarpal joint.
• Opens up the carpometacarpal joints.
• Demonstrates the sesamoid bones near the first interphalangeal joint.

Correct Answer: A

Question 5. If a response to radiation is expected no matter how small the dose, then that dose-response is ____.

• nonthreshold
• linear
• threshold
• nonlinear

Correct Answer: A

Question 6. If a technologist is exposed to 4 mGy/hr for 45 minutes during a fluoroscopy exam, what will be her total exposure?

• 2 mGy
• 1 mGy

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• 4 mGy
• 3 mGy

Correct Answer: D

Question 7. If a technologist is receiving 2 mGy/hr standing 1 foot from the patient during fluoroscopy, what will the technologists rate of exposure when he/she steps back to a distance of 2 feet from the patient?

• 0.7 mGy/hr
• 1 mGy/hr
• 0.5 mGy/hr
• 8 mGy/hr

Correct Answer: C

Question 8. In DR and CR, the signal must be changed to digital form by a(n):

• digital-to-analog converter
• flux capacitor
• analog-to-digital converter

D) DVD-ROM

Correct Answer: C

Question 9. In digital imaging, as pixel size or DEL size decreases:

• brightness increases
• brightness decreases
• spatial resolution increases
• spatial resolution decreases

Correct Answer: C

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Question 10. In fluoroscopy, which of the following can be used to capture a radiographic image?

image intensifier

indirect-capture flat-panel detector

direct-capture flat-panel detector

CCD or CMOS

• 1 and 2 only
• 1 and 3 only
• 1, 2, and 3 only
• 1, 2, 3, and 4

Correct Answer: D

Question 11. Which of the following is the correct formula for total brightness gain?

• minification gain times flux gain
• minification gain divided by flux gain
• flux gain divided by minification gain
• minification gain squared x flux gain squared

Correct Answer: A

Question 12. Meiosis is the process of cell division for ____ cells.

• muscle
• somatic