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ARRT CT EXAM REVIEW 1 COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
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ARRT CT EXAM REVIEW 1 COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
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ARRT CT EXAM REVIEW 1COMPLETE ANSWERS 100% CORRECT (LATEST )
1. Complete cardiac diastole corresponds to which portion of the cardiaccycle on an
electrocardiogram (ECG)?
a. P wave
b. QRS complex
c. Alpha wave
d. T wave: d. T wave
2. During CT arthrography, iodinated contrast media is injected directly intothe:
a. joint space
b. intrathecal space
c. subarachnoid space
d. venous bloodstream: a. joint space
3. Which of the following is considered one of the iso-osmolar contrast media(IOCM)?
a. iodixanol
b. iopamidol
c. iohexl
d. ioversol: a. iodixanol
4. A common site for IV administration of iodinated contrast media is theanterior recess of
the elbow, otherwise known as the:
a. brachial fossa
b. olecranon fossa
c. retroulnar space
,d. antecubital space: d. antecubital space
5. The potentially serious decline in renal function after the IV administrationof contrast
material is called:
a. anaphylaxis
b. bronchoplasm
c. contrast-induced nephrotoxicity
d. urticaria: c. contrast-induced nephrotoxicity
6. Advantages of a saline flush immediately after the IV administration ofiodinated contrast
material include:
1. reduction in required contrast agent dose
2. reduction in the incidence of contrast-induced nephrotoxicity
3. reduction of streaking artifact from dense contrast agent in vasculature
a. 1 only
b. 3 only
c. 2 and 3 only
d. 1, 2, and 3: d. 1, 2, and 3
7. Which of the following medications may be administered to dilate thecoronary vasculature
prior to a cardiac CT exam?
a. sublingual nitroglycerine
b. a beta-androgenic receptor blocking agent
c. atropine
d. albuterol: a. sublingual nitroglycerine
8. A normal range for diastolic blood pressure in an adult is:
a. 40-60 mm Hg
,b. 60-90 mm Hg
c. 80-120 mm Hg
d. 95-140 mm Hg: b. 60-90 mm Hg
9. Which of the following is a parenteral route of medication administration?
a. sublingual
b. intramuscular
c. transdermal
d. oral: b. intramuscular
10. Which of the following types of isolation techniques protect against infection
transmitted through fecal material?
a. acid-fast bacillus isolation
b. contact isolation
c. enteric precautions
d. drainage-secretions precautions: c. enteric precautions
11. Which of the following is considered one of the ionic radiopaque contrastmedia
(RCM)?
a. iohexl
b. iothalamate meglumine
c. iopamidol
d. ioversol: b. iothalamate meglumine
12.A patient who appears drowsy but can be aroused is said to be:
a. comatose
b. lethargic
, c. obtunded
d. semi-comatose: b. lethargic
13. Direct contraindications to the administration of Iodinated contrast mate-rial
include:
1. prior life threatening reaction to iodinated contrast material
2. multiple myeloma
3. diabetes
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1, 2, and 3: a. 1 only
14.The acronym CTDI is used to describe which of the following?
a. a specialized CT imaging technique used to measure bone mineral density
b. a quality control test that measures the accuracy of the laser lighting system
c. the radiation dose to the patient during a CT scan
d. a high-speed CT scanner used for cardiac imaging: c. the radiation dose tothe patient
during a CT scan
15. Contact shields made of may be used to selectively protect
radiosensitive organs that lie within the scanned region during a CT acquisition.
a. bismuth
b. aluminum
c. lead
d. molybdenum: a. bismuth
16. Which of the following technical factors has a direct effect on patient dose?
a. matrix size
b. algorithm
c. mAs
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