In-class activity
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 container? - (correct answers)To wash the
container's lip to prevent contamination, this maintains the sterile field
Why is there a maximum injection pressure for an automatic injection device during contrast media
administration? - (correct answers)A preset maximum injection pressure helps to prevent vessel damage
1. The QC tech performs testing after the image acquired in the past week demonstrates exposure
inconsistencies. Which kVp accuracy test reading at 80 kVp would require corrective action?
a. 70
b. 72
c. 74
d. 76 - (correct answers)a. 70
- this is greater than the acceptable limit of 10%
A football player with broad shoulders presents with an obvious separation of the AC joint. What upright
bilateral AC joints projection should be taken to best demonstrate the condition? - (correct answers)-
With weights at 180 cm
- longer SID reduces magnification
What area of the gown is considered part of the sterile field? - (correct answers)The front of the gown,
waist to shoulder
What test must be performed first to ensure the validity of a mA linearity test results? - (correct
answers)- Timer accuracy
- mA linearity assures that mA stations are accurate. The time and kVp accuracy must be verified prior to
evaluate mA linearity
, What demonstrates minimal foreshortening of the femoral neck on on an axiolateral hip images? -
(correct answers)- The greater and lesser trochanters are on the same transverse level
- this will verify that the CR is perpendicular to the femoral neck and the IR is parallel to the femoral
neck
What is the clinical indication for an HSG? - (correct answers)- Infertility assessment
- a Hysterosalpingiogram 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 degree. Calcaneus images have been ordered. How should the tech. direct the CR for the axial
projection? - (correct answers)- 60 degree cephalad
- must increase the angle by 20 degree (40 + 20) to compensate for lesser dorsiflexion of the foot
What will best demonstrate any medial or lateral displacement of a fracture of the ramus of the
mandible? - (correct answers)Axial AP (Towne)
Which projection would demonstrate air/fluid levels in the abdomen on an ICU patient who must
remain supine? - (correct answers)- Dorsal decubitus
- this is correct based on the patient's condition; the horizontal beam will show air/fluid levels
NICU CXR, what can be used to determine if rotation is present? - (correct answers)Foreshortening of
the clavicle on the side that the baby is rotated towards
What are the most appropriate infection control measures for a patient with MRSA? - (correct answers)-
Gloves and gown
- keeping any linen used in the patients room
- gowns and gloves are only required because MRSA is transmitted by direct contact
What should be done when inserting the rectal tip? - (correct answers)- Ask the patient to take slow,
deep breaths and insert the tip during exhalation
- Exhalation promotes muscle relaxation, ensuring that the tip is easier to insert