ARRT CT REGISTRY QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

ARRT CT REGISTRY QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
1.

The normal range of respiration of an adult is

A. 5- 10 breaths per minute

B. 12-20 breaths per minute

c. 20-30 breaths per minute

D. 35-50 breaths per minute - ANSWER B. 12-20



2

which of the following is a parenteral route of medication administration

A. sublingual

B. Intramuscular

C. transdermal

D. Oral - ANSWER B. Intramuscular



3

The preperation for a contrast- enhanced CT exam of a patient with prior allergic reaction to iodinated
contrast media may include

A. pre medication with steroids and antihistamines

B. administration of a negative contrast agent

C. increase in fluids for 24 hours before the exam

D. refraining from urination for 2 hours before the exam - ANSWER A. premedication with Steroids and
antihistamines



4

A patient in shock may exhibit which of the following symptoms:

A. tachycardia

B. rapid, shallow breathing

,C. cyanosis

D. all the above - ANSWER D. all the above



5

which of the following infection control techniques is required at the site of an intravenous injection of
iodinated contrast media?

A. contact Isolation

B. surgical asepsis

C. medical asepsis

D. enteric precautions - ANSWER B. surgical asepsis



6

A common site for the intravenous injection of iodinated contrast media is the

A. cephalic vein

B. antecubitlal vein

C. basilic vein

D. all the above - ANSWER D. all the above



7

which of the following technical factors exhibits a direct effect on patient dose?

a. matrix size

b. algorithm

c. milliampere-seconds (mAs)

d window level - ANSWER c. milliampere-seconds (mAs)



8

prior to an intravenous injection of iodinated contrast material, the patient should be questioned
regarding

1. renal function

,2. allergic history

3. cardiac history

a. 1 only

b. 2 only

c. 3 only

d. 1, 2, and 3 - ANSWER d. 1, 2, and 3



9

used in determining the biologic effect of iodinated contrast media, the term ___________refers to the
number of ions formed when a substance dissociates in solution.

a. solubility

b. osmolality

c. concentration

d. iodination - ANSWER b. osmolality



10

which of the following laboratory values can be used to evaluate the renal function of a patient.

a. blood urea nitrogen (BUN)

b. partial thromboplastin time

c. creatinine

d. both a and c - ANSWER d. both a and c



11

a(n) ________________ infection is one that patients acquire during their stay in a health care
institution.

a. blood-borne

b. nosocomial

c. iatrogenic

d. staphylococcal - ANSWER b. nosocomial

, 12

during CT examinations, patients should be shielded above and below because of

a. the rotational nature of the xray tube

b. extremely high kilo volt peak (kVp) techniques

c. lack of filtration of the CT beam

d. reduced collimation of the CT beam - ANSWER a. the rotational nature of the xray tube



13

which of the following would be best suited for intravenous injection of contrast material with a power
injector?

a. a butterfly needle

b. a central venous line

c. a 23-gauge spinal needle

d. an angiocatheter - ANSWER d. angiocatheter



14

a(n) __________________ contrast material may be described as one that does not dissociate into
charged particles in solution.

a. neutral

b. non-ionic

c. osmolar

d. ionic - ANSWER b. non-ionic



15

thorough explanation of the CT procedure and proper communication with the patient is vital in
ensuring that

1. breathing instructions are properly followed

2. misregistration does not occur

3. patient anxiety is kept at a minimum