QUESTIONS AND VERIFIED SOLUTIONS
◉ a pt with high blood pressure undergoes renography followed by
captopril renography, and the curve of renal uptake from the second
exam is lower than the first. What does this mean? The patient:
a. is rejecting a transplanted kidney
b. has renovascular htn
c. has an obstruction in the collecting system
d. has high blood pressure
e. none of the above
Answer: b. has renovascular htn
◉ the left and right lobes of the thyroid are connected by the:
a. pyramidal lobe
b. major calyx
c. isthmus
d. loop of henle
Answer: c. isthmus
◉ the exposure rate at the surface of a package to be shipped is 50
mrem/hr. what label is required?
,a. White I
b. Yellow II
c. Yellow III
d. None required
Answer: b. Yellow II
◉ if the exposure rate at 5m from a source is 75 mR/hr, what will it
be at 2m?
a. 12 mR/hr
b. 36 mR/hr
c. 245 mR/hr
d. 469 mR/hr
Answer: d. 469 mR/hr
75 (5^2) = x (2^2)
4x = 1875
x = 468.75
◉ If a patient has persistent activity in the renal pelvis during
renography, furosemide administration may:
a. assist in dx of renovascular htn
b. help rule out mechanical obstruction
, c. cause a transplant to be rejected
d. decreae the radiation burden on the bladder
e. none of the above
Answer: b. rule out mechanical obstruction
◉ the NRC requires the use of tongs for moving vials between the
shields and dose calibrator
a. true
b. false
Answer: b. false
◉ which of the following may be used for thyroid uptake and
scanning?
a. TcO4
b. I-123
c. Tl 201
d. Sestamibi
e. all of the above
Answer: B. I-123
◉ The lowest point on a TAC generated over the cardiac cycle of a
patient following a gated blood pool study represents: