ARRT CT EXAM REVIEW 1

ARRT CT EXAM REVIEW 1

COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )

• Complete cardiac diastole corresponds to which portion of the cardiac cycle on an

electrocardiogram (ECG)?

• P wave
• QRS complex
• Alpha wave

d. T wave: d. T wave

• During CT arthrography, iodinated contrast media is injected directly into the:

• joint space
• intrathecal space
• subarachnoid space

d. venous bloodstream: a. joint space

• Which of the following is considered one of the iso-osmolar contrast media (IOCM)?

• iodixanol
• iopamidol
• iohexl

d. ioversol: a. iodixanol

• A common site for IV administration of iodinated contrast media is the anterior recess of

the elbow, otherwise known as the:

• brachial fossa
• olecranon fossa
• retroulnar space 1 / 4

d. antecubital space: d. antecubital space

• The potentially serious decline in renal function after the IV administration of contrast

material is called:

• anaphylaxis
• bronchoplasm
• contrast-induced nephrotoxicity

d. urticaria: c. contrast-induced nephrotoxicity

• Advantages of a saline flush immediately after the IV administration of iodinated contrast

material include:

• reduction in required contrast agent dose
• reduction in the incidence of contrast-induced nephrotoxicity
• reduction of streaking artifact from dense contrast agent in vasculature

• 1 only
• 3 only
• 2 and 3 only

d. 1, 2, and 3: d. 1, 2, and 3

• Which of the following medications may be administered to dilate the coronary vasculature

prior to a cardiac CT exam?

• sublingual nitroglycerine
• a beta-androgenic receptor blocking agent
• atropine

d. albuterol: a. sublingual nitroglycerine

8. A normal range for diastolic blood pressure in an adult is:

• 40-60 mm Hg 2 / 4

• 60-90 mm Hg
• 80-120 mm Hg

d. 95-140 mm Hg: b. 60-90 mm Hg

• Which of the following is a parenteral route of medication administration?

• sublingual
• intramuscular

• transdermal

d. oral: b. intramuscular

• Which of the following types of isolation techniques protect against infection

transmitted through fecal material?

• acid-fast bacillus isolation
• contact isolation
• enteric precautions

d. drainage-secretions precautions: c. enteric precautions

• Which of the following is considered one of the ionic radiopaque contrast media

(RCM)?

• iohexl
• iothalamate meglumine
• iopamidol

d. ioversol: b. iothalamate meglumine

12. A patient who appears drowsy but can be aroused is said to be:

• comatose
• lethargic 3 / 4

• obtunded

d. semi-comatose: b. lethargic

• Direct contraindications to the administration of Iodinated contrast mate- rial

include:

• prior life threatening reaction to iodinated contrast material
• multiple myeloma
• diabetes

• 1 only
• 1 and 2 only
• 1 and 3 only

d. 1, 2, and 3: a. 1 only

• The acronym CTDI is used to describe which of the following?

• a specialized CT imaging technique used to measure bone mineral density
• a quality control test that measures the accuracy of the laser lighting system
• the radiation dose to the patient during a CT scan
• a high-speed CT scanner used for cardiac imaging: c. the radiation dose to the patient

during a CT scan

• Contact shields made of may be used to selectively protect

radiosensitive organs that lie within the scanned region during a CT acquisition.

• bismuth
• aluminum
• lead

d. molybdenum: a. bismuth

• Which of the following technical factors has a direct effect on patient dose?

• matrix size
• algorithm
• mAs
• / 4