CT Patient Care

Which of the following infection control techniques is required at the site of an intravenous injection of contrast
A. contact isolation
B. medical asepsis
C. surgical asepsis
D. enteric precations

A common site for the IV injection of contrast media is the?
A. cephalic vein
B. antecubital vein
C. basilic vein
D. all of the above

Which of the following techical factors exhibits a direct effect on patient dose?
A. window level
B. algorithm
C. mAs
D. matrix size

A(n) _________ contrast material may be described as one that does not dissociate into charged particles in the solution
A. non-ionic
B. ionic
C. osmolar
D. neutral

Which of the following interactions between x-ray beam and matter results in the largest amount of patient dose?
A. characteristic
B. bremsstrahlung
C. photoelectric effect
D. Compton scatter

Which of the following are included as basic types of iodinated contrast media?
1. iothalamate
2. diatrizoate
3. metrizoate
A. 3 only
B. 1 and 3 only
C. 2 only
D. 1,2, and 3

An intrathecal injection before a CT exam of the lumbar spine places the contrast directly into the
A. subarachnoid space
B. verterbal foramen
C. subdural space
D. dura mater

Contrast materials that dissociate into charged particles when placed into solution are termed
A. negative
B. ionic
C. positive
D. non-ionic

Which of the following is the correct angle of insertion when placing a butterfly needle into a vein for starting an IV
A. 45
B. 5
C. 15
D. 60

Which of the following is the correct order for the stages of infection?
A. incubation, convalescence, prodromal, active
B. prodromal, incubation, convalescence, active
C. incubation, prodromal, active, convalescence
D. convalescence, active, prodromal, incubation

A normal range for systolic blood pressure in an adult is
A. 95-140 mm Hg
B. 40-60 mm Hg
C. 80-120 mm Hg
D. 60-90 mm Hg

The term urticaria is used to describe which of the following?
A. severe nausea with associated vomiting
B. urinary tract infection
C. bronchospasm
D. hives