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? - ACCURATE ANSWER-To wash the container's lip to prevent contamination (this maintains the sterile field)
Why is the maximum injection...
when preparing to add antiseptic iodine to a steri
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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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-
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? - ACCURATE ANSWER-
The front of the gown, waist to shoulder
What test must be performed first to ensure the validity of a mA linearity test result? - ACCURATE ANSWER-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? - ACCURATE ANSWER-The greater and lesser trochanters are on the same transverse level
What is the clinical indication for an HSG? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-Dorsal decubitus (using HB -
shows air/fluid levels)
What are the most appropriate infection control measures for a patient with MRSA? - ACCURATE ANSWER-Gloves and gown; keeping any linen used in the patient's room
What should be done when inserting the rectal tip? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-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? - ACCURATE ANSWER-Bladder carcinoma (rupture would not demonstrate thickening, prolapse = only in females)
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