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ARRT CT REGISTRY EXAM QUESTIONS WITH COMPLETE ANSWERS
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ARRT CT REGISTRY EXAM QUESTIONS WITH COMPLETE ANSWERS
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ARRT CT REGISTRY EXAM QUESTIONSWITH COMPLETE ANSWERS
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?
a. calling patients by their full name
b. checking the name listed on the medical record
c. examining the patient's wrist identification band
d. all of the above - Answer-c. examining the patient's wrist identification band
19.
advantages of automatic power injectors over the manual bolus method of intravenous
contrast administration include
1. increased tissue enhancement due to faster injection times
2. uniform contrast administration over the entire length of the study
3 decreased volume of contrast administered
a. 1 only
b. 3 only
c. 1 and 2 only
d. 2 and 3 only - Answer-C. l and 2 only
20
the average range for normal adult blood urea nitrogen (BUN) levels is approximately
a. 1-4 mg/dL
b. 5-20 mg/dL
c. 23-30 mg/dL
d. 45-60 mg/dL - Answer-B. 5-20 mg/dL
21
which of the following terms describes a condition in which cerebral ischemia is caused
by systemic hypotension?
a. vasovagal reaction
b. myocardial infarction
c. transient ischemic attack
d. hydrocephalus - Answer-a. vasovagal reaction
22
which of the following interactions between x-ray beam and matter results in the largest
amount of patient dose?
a. characteristic
b. Comptom scatter
c. bremsstrahlung
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