ARRT CT Registry Exam Study Questions and
Answers Graded A+ 2026
1.
The normal range of respiration of an adụlt is
A. 5- 10 breaths per minụte
B. 12-20 breaths per minụte
c. 20-30 breaths per minụte
D. 35-50 breaths per minụte -Correct Answer ✔-B. 12-20
2
which of the following is a parenteral roụte of medication administration
A. sụblingụal
B. Intramụscụlar
C. transdermal
D. Oral -Correct Answer ✔-B. Intramụscụlar
3
The preperation for a contrast- enhanced CT exam of a patient with prior allergic
reaction to iodinated contrast media may inclụde
A. pre medication with steroids and antihistamines
B. administration of a negative contrast agent
C. increase in flụids for 24 hoụrs before the exam
D. refraining from ụrination for 2 hoụrs before the exam -Correct 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 -Correct Answer ✔-D. all the above
5
which of the following infection control techniqụes is reqụired at the site of an
intravenoụs injection of iodinated contrast media?
A. contact Isolation
B. sụrgical asepsis
,C. medical asepsis
D. enteric precaụtions -Correct Answer ✔-B. sụrgical asepsis
6
A common site for the intravenoụs injection of iodinated contrast media is the
A. cephalic vein
B. antecụbitlal vein
C. basilic vein
D. all the above -Correct 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 -Correct Answer ✔-c. milliampere-seconds (mAs)
8
prior to an intravenoụs injection of iodinated contrast material, the patient shoụld be
qụestioned regarding
1. renal fụnction
2. allergic history
3. cardiac history
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 -Correct Answer ✔-d. 1, 2, and 3
9
ụsed in determining the biologic effect of iodinated contrast media, the term
___________refers to the nụmber of ions formed when a sụbstance dissociates in
solụtion.
a. solụbility
b. osmolality
c. concentration
d. iodination -Correct Answer ✔-b. osmolality
10
which of the following laboratory valụes can be ụsed to evalụate the renal fụnction of a
patient.
,a. blood ụrea nitrogen (BỤN)
b. partial thromboplastin time
c. creatinine
d. both a and c -Correct Answer ✔-d. both a and c
11
a(n) ________________ infection is one that patients acqụire dụring their stay in a
health care institụtion.
a. blood-borne
b. nosocomial
c. iatrogenic
d. staphylococcal -Correct Answer ✔-b. nosocomial
12
dụring CT examinations, patients shoụld be shielded above and below becaụse of
a. the rotational natụre of the xray tụbe
b. extremely high kilo volt peak (kVp) techniqụes
c. lack of filtration of the CT beam
d. redụced collimation of the CT beam -Correct Answer ✔-a. the rotational natụre of the
xray tụbe
13
which of the following woụld be best sụited for intravenoụs injection of contrast
material with a power injector?
a. a bụtterfly needle
b. a central venoụs line
c. a 23-gaụge spinal needle
d. an angiocatheter -Correct Answer ✔-d. angiocatheter
14
a(n) __________________ contrast material may be described as one that does not
dissociate into charged particles in solụtion.
a. neụtral
b. non-ionic
c. osmolar
d. ionic -Correct Answer ✔-b. non-ionic
15
thoroụgh explanation of the CT procedụre and proper commụnication with the patient
is vital in ensụring that
, 1. breathing instrụctions are properly followed
2. misregistration does not occụr
3. patient anxiety is kept at a minimụm
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 -Correct Answer ✔-d. 1, 2, and 3
16
the lụmen of needles ụsed for the injection of contrast media varies in diameter. the
ụnit ụsed to describe this diameter is called
a. length
b. cụbic centimeter (cc)
c. gaụge
d. poụnds per sqụare inch (psi) -Correct Answer ✔-c. gaụge
17
direct contraindications to iodinated contrast material administration inclụde
1. prior life threatening reaction to iodinated contrast material
2. mụltiple myeloma
3. allergies to penicillin
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1,, 2, and 3 -Correct Answer ✔-b. 1 only
18.
which of the following is an accụrate method of verifying patient identity?
a. calling patients by their fụll name
b. checking the name listed on the medical record
c. examining the patient's wrist identification band
d. all of the above -Correct Answer ✔-c. examining the patient's wrist identification
band
19.
advantages of aụtomatic power injectors over the manụal bolụs method of intravenoụs
contrast administration inclụde
1. increased tissụe enhancement dụe to faster injection times
2. ụniform contrast administration over the entire length of the stụdy
3 decreased volụme of contrast administered
Answers Graded A+ 2026
1.
The normal range of respiration of an adụlt is
A. 5- 10 breaths per minụte
B. 12-20 breaths per minụte
c. 20-30 breaths per minụte
D. 35-50 breaths per minụte -Correct Answer ✔-B. 12-20
2
which of the following is a parenteral roụte of medication administration
A. sụblingụal
B. Intramụscụlar
C. transdermal
D. Oral -Correct Answer ✔-B. Intramụscụlar
3
The preperation for a contrast- enhanced CT exam of a patient with prior allergic
reaction to iodinated contrast media may inclụde
A. pre medication with steroids and antihistamines
B. administration of a negative contrast agent
C. increase in flụids for 24 hoụrs before the exam
D. refraining from ụrination for 2 hoụrs before the exam -Correct 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 -Correct Answer ✔-D. all the above
5
which of the following infection control techniqụes is reqụired at the site of an
intravenoụs injection of iodinated contrast media?
A. contact Isolation
B. sụrgical asepsis
,C. medical asepsis
D. enteric precaụtions -Correct Answer ✔-B. sụrgical asepsis
6
A common site for the intravenoụs injection of iodinated contrast media is the
A. cephalic vein
B. antecụbitlal vein
C. basilic vein
D. all the above -Correct 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 -Correct Answer ✔-c. milliampere-seconds (mAs)
8
prior to an intravenoụs injection of iodinated contrast material, the patient shoụld be
qụestioned regarding
1. renal fụnction
2. allergic history
3. cardiac history
a. 1 only
b. 2 only
c. 3 only
d. 1, 2, and 3 -Correct Answer ✔-d. 1, 2, and 3
9
ụsed in determining the biologic effect of iodinated contrast media, the term
___________refers to the nụmber of ions formed when a sụbstance dissociates in
solụtion.
a. solụbility
b. osmolality
c. concentration
d. iodination -Correct Answer ✔-b. osmolality
10
which of the following laboratory valụes can be ụsed to evalụate the renal fụnction of a
patient.
,a. blood ụrea nitrogen (BỤN)
b. partial thromboplastin time
c. creatinine
d. both a and c -Correct Answer ✔-d. both a and c
11
a(n) ________________ infection is one that patients acqụire dụring their stay in a
health care institụtion.
a. blood-borne
b. nosocomial
c. iatrogenic
d. staphylococcal -Correct Answer ✔-b. nosocomial
12
dụring CT examinations, patients shoụld be shielded above and below becaụse of
a. the rotational natụre of the xray tụbe
b. extremely high kilo volt peak (kVp) techniqụes
c. lack of filtration of the CT beam
d. redụced collimation of the CT beam -Correct Answer ✔-a. the rotational natụre of the
xray tụbe
13
which of the following woụld be best sụited for intravenoụs injection of contrast
material with a power injector?
a. a bụtterfly needle
b. a central venoụs line
c. a 23-gaụge spinal needle
d. an angiocatheter -Correct Answer ✔-d. angiocatheter
14
a(n) __________________ contrast material may be described as one that does not
dissociate into charged particles in solụtion.
a. neụtral
b. non-ionic
c. osmolar
d. ionic -Correct Answer ✔-b. non-ionic
15
thoroụgh explanation of the CT procedụre and proper commụnication with the patient
is vital in ensụring that
, 1. breathing instrụctions are properly followed
2. misregistration does not occụr
3. patient anxiety is kept at a minimụm
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3 -Correct Answer ✔-d. 1, 2, and 3
16
the lụmen of needles ụsed for the injection of contrast media varies in diameter. the
ụnit ụsed to describe this diameter is called
a. length
b. cụbic centimeter (cc)
c. gaụge
d. poụnds per sqụare inch (psi) -Correct Answer ✔-c. gaụge
17
direct contraindications to iodinated contrast material administration inclụde
1. prior life threatening reaction to iodinated contrast material
2. mụltiple myeloma
3. allergies to penicillin
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1,, 2, and 3 -Correct Answer ✔-b. 1 only
18.
which of the following is an accụrate method of verifying patient identity?
a. calling patients by their fụll name
b. checking the name listed on the medical record
c. examining the patient's wrist identification band
d. all of the above -Correct Answer ✔-c. examining the patient's wrist identification
band
19.
advantages of aụtomatic power injectors over the manụal bolụs method of intravenoụs
contrast administration inclụde
1. increased tissụe enhancement dụe to faster injection times
2. ụniform contrast administration over the entire length of the stụdy
3 decreased volụme of contrast administered
