ARRT CT Registry Exam Practice Questions
and 100% Correct Verified Answers| 2023/2025
Newly Updated
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
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 - <<ANSWER>>d. 1, 2, and 3
16
the lumen of needles used for the injection of contrast media varies in
diameter. the unit used to describe this diameter is called
a. length
b. cubic centimeter (cc)
c. gauge
d. pounds per square inch (psi) - <<ANSWER>>c. gauge
17
direct contraindications to iodinated contrast material administration include
1. prior life threatening reaction to iodinated contrast material
2. multiple myeloma
3. allergies to penicillin
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1,, 2, and 3 - <<ANSWER>>b. 1 only
18.
which of the following is an accurate method of verifying patient identity?
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