ARRT CT REGISTRY EXAM AND STUDY GUIDE
QUESTIONS AND ANSWERS VERIFIED 100% CORRECT
1
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
2
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
3
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
4
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
5
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
6
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
d. photoelectric effect - ANSWER -d. photoelectric effect
23
examples of mild adverse reactions to iodinated intravenous contrast media may
include
1. nausea
2. dypsnea
3. warm, flushed sensation
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 2 and 3 only - ANSWER -c. 1 and 3 only
24
, during which of the following CT procedures is the patient required to give
informed consent?
a. noncontrast chest examination
b. radiation planning study of the prostate
c. three-dimensional reconstruction of the hip
d. abdomen scan with intravenous contrast - ANSWER -d. abdomen scan with
intravenous contrast
25
________________ is a medication commonly administered to sedate small
children undergoing CT examinations.
a. chloral hydrate
b. lithium
c. diazepam (valium)
d. secobarbital stadium (sectional sadium) - ANSWER -a. chloral hydrate
26.
which of the following are included as basic types of iodinated contrast media?
1. iothalmate
2. diatrizoate
3. metrizoate
a. 2 only
b. 3 only
c. 1 and 3 only
d. 1, 2, and 3 - ANSWER -d. 1, 2, and 3
27
which of the following is not a category of isolation technique?
a. enteric precautions
b. gram-negative isolation
c. contact isolation
d. strict isolation - ANSWER -b. gram-negative isolation
28
which of the following correctly states the difference between ionic and non-ionic
iodinated contrast material?
a. non-ionic contrast media have a higher osmolality than ionic media
b. ionic contrast media contain iodine, whereas non-ionic contrast media do not
c. non-ionic contrast media have a lower osmolality than ionic media
QUESTIONS AND ANSWERS VERIFIED 100% CORRECT
1
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
2
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
3
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
4
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
5
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
6
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
d. photoelectric effect - ANSWER -d. photoelectric effect
23
examples of mild adverse reactions to iodinated intravenous contrast media may
include
1. nausea
2. dypsnea
3. warm, flushed sensation
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 2 and 3 only - ANSWER -c. 1 and 3 only
24
, during which of the following CT procedures is the patient required to give
informed consent?
a. noncontrast chest examination
b. radiation planning study of the prostate
c. three-dimensional reconstruction of the hip
d. abdomen scan with intravenous contrast - ANSWER -d. abdomen scan with
intravenous contrast
25
________________ is a medication commonly administered to sedate small
children undergoing CT examinations.
a. chloral hydrate
b. lithium
c. diazepam (valium)
d. secobarbital stadium (sectional sadium) - ANSWER -a. chloral hydrate
26.
which of the following are included as basic types of iodinated contrast media?
1. iothalmate
2. diatrizoate
3. metrizoate
a. 2 only
b. 3 only
c. 1 and 3 only
d. 1, 2, and 3 - ANSWER -d. 1, 2, and 3
27
which of the following is not a category of isolation technique?
a. enteric precautions
b. gram-negative isolation
c. contact isolation
d. strict isolation - ANSWER -b. gram-negative isolation
28
which of the following correctly states the difference between ionic and non-ionic
iodinated contrast material?
a. non-ionic contrast media have a higher osmolality than ionic media
b. ionic contrast media contain iodine, whereas non-ionic contrast media do not
c. non-ionic contrast media have a lower osmolality than ionic media
