ARRT EXAM PREP
COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
• Neglect or emission of reasonable care defines:
- respondeat superior
- res ipsa loquitur
- gross negligence
d. unintentional misconduct: b. res ipsa loquitur
• A pulse rate of less than 50 bpm indicates:
- tachycardia
- bradycardia
- normal pulse rate
d. hypertension: b. bradycardia
• A positive contrast agent that may be administered to the patient when barium sulfate is
contraindicated is called:
- barium thiosulfate
- iodine
- air
d. aqueous iodine contrast: d. aqueous iodine contrast
• When scheduling radiographic exams:
- schedule barium studies first to get them over with
- schedule special studies in the afternoon
- schedule barium studies last
d. always schedule a crout CT scan first: c. schedule barium studies last
• What type of infection transmission is defined as being spread primarily on contaminated items, food, or water?
- contact transmission
- airborne transmission
- vector transmission
d. vehicle transmission: d. vehicle transmission
• Diastolic pressure of less than 50 mm HG signals an indication of:
- respiratory arrest
- tachycardia
- hypertension
d. shock: d. shock 1 / 2
• Linear energy transfer:
- is the same for all types of radiation
- is the same for waves and particulate radiations used in diagnosis and treatment
- occurs only during x-ray procedures
- varies for different types of radiation: d. varies for different types of radiation
• Because cataractogenesis does not occur below a given level of radiation exposure, it is best expressed by which of the following dose-response relationships?
- threshold
- non-threshold
- low dose
d. occupational dose: a. threshold
• The statement "increased dose equals increased probability of effects" best describes which of the following?
- stochastic effects
- deterministic effects
- direct effects
d. indirect effects: a. stochastic effects
• The cumulative occupational exposure for a 22 year old radiographer is:
- 0.22 mSv
- 0.55 mSv
- 0.11 mSv
d. 0.22 Sv: d. 0.22 Sv
• The minimum source to skin distance for a fixed fluoroscope is:
- 15 inches
- 12 inches
- 10 inches
d. 18 inches: a. 15 inches
• The master molecule that directs cell activities is:
- RNA
- hydrogen peroxide
- water
d. DNA: d. DNA
• Background radiation is the source of what percentage of human expo- sure?
- 80%
- 50%
- / 2