CAMRT Practice Exam
When preparing to add antiseptic iodine to a sterile field, why must some of the liquid be
poured into the sink before adding the remainder to the sterile field? - ANS-To wash the
container's lip to prevent contamination (this maintains the sterile field)
Why is the maximum injection pressure of an automatic injection device preset during
contrast administration? - ANS-To prevent vessel damage (max preset pressure helps
prevent vessel damage)
The QC technologist performs testing after images acquired the past week demonstrate
exposure inconsistencies. Which kVp accuracy test reading would require corrective
action? - ANS-70kV (outside of acceptable 10% limit)
A football player with broad shoulders presents with obvious separation of the AC joint.
What upright bilateral AC joints projection should be taken? - ANS-With weights at
180cm (weights will best demonstrate the separation, longer SID reduces magnification
which increases image quality)
What area of the gown is considered part of the sterile field? - ANS-The front of the
gown, waist to shoulder
What test must be performed first to ensure the validity of a mA linearity test result? -
ANS-Timer accuracy (mA linearity assures that mA stations are accurate. The time and
kVp accuracy must be verified prior to evaluating mA linearity)
What demonstrates minimal foreshortening of the femoral neck on an axiolateral hip
image? - ANS-The greater and lesser trochanters are on the same transverse level
What is the clinical indication for an HSG? - ANS-Infertility assessment (an HSG is used
for infertility to demonstrate patency of uterine tubes)
Mr. Rogers presents with fixation devices protruding from the inferior aspect of his heel.
The foot is flexed 70 degrees. Calcaneus images have been ordered. How should the
technologist direct the CR for the axial view? - ANS-60 degrees cephalad. (The tech
must increase the angle by 20 degrees)
What will best demonstrate any medial/lateral displacement of a fracture of the
mandibular ramus? - ANS-AP Axial (Towne) (axiolateral oblique and lateral will both
show ant/post displacement)
, Which of the following would demonstrate air/fluid levels in the abdomen on an ICU
patient who must remain supine? - ANS-Dorsal decubitus (using HB - shows air/fluid
levels)
What are the most appropriate infection control measures for a patient with MRSA? -
ANS-Gloves and gown; keeping any linen used in the patient's room
What should be done when inserting the rectal tip? - ANS-Ask the patient to take slow,
deep breaths and insert the tip during exhalation (exhalation promotes muscle
relaxation)
A patient with non-Hodgkin's lymphoma arrives for a follow-up CT chest scan. What
precautions should the technologist use? - ANS-Protective (reverse?) (employed to
reduce the spread of infection to immune compromised patients such as organ
transplant or chemotherapy patients)
Which projection will best demonstrate the left axillary ribs free of superimposition? -
ANS-Left posterior (AP) oblique
Mr. Toms presents for a CT abdo pelvis with lower abdominal pain. On the images, the
technologist notices thickening of the bladder wall. Which condition should the tech
suspect? - ANS-Bladder carcinoma (rupture would not demonstrate thickening, prolapse
= only in females)
What action by the technologist would be considered a breach of a patient's right to
confidentiality? - ANS-Discussing the exam findings with the patient's spouse
Which post-processing application would be most useful to improve the quality of a
subtracted image? - ANS-Remasking (improves quality of subtracted images)
While the tech is positioning an ambulatory patient, the patient becomes pale and starts
to fall. Which immediate action should be initiated? - ANS-Assist the patient to the floor
The tech reviews a lateral scapula image and determines that it needs to be repeated.
The medial border is superimposed on the ribcage. What adjustment should be made? -
ANS-Increase patient obliquity
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