Deck 21: Genitourinary System

Question 1

Angiotensin-converting enzyme inhibitor (ACEI) augments renal studies in patients with

A) infection and inflammation.
B) vesicoureteral reflux.
C) obstructive uropathy.
D) renal artery stenosis (RAS)-related hypertension.

Answer 1

renal artery stenosis (RAS)-related hypertension.

Question 2

It is important to position the crystal of the camera parallel to the surface when performing renal imaging to prevent the artifact of

A) blurring.
B) elongation.
C) foreshortening.
D) enlargement.

Answer 2

foreshortening.

Question 3

If normal resting cardiac output is 5 L/min; the total renal blood flow would be approximately

A) 0.5 L/min.
B) 1.2 L/min.
C) 2.5 L/min.
D) 3.7 L/min.

Answer 3

1.2 L/min.

Question 4

The kidneys span the distance between the

A) 5th and 12th thoracic vertebrae.
B) 12th thoracic vertebra and 3rd lumbar vertebrae.
C) 1st and 3rd lumbar vertebrae.
D) 3rd lumbar vertebra and the sacroiliac joint.

Question 5

The most accurate nuclear medicine technique for measuring renal size is

A) SPECT imaging with morphologic agent DMSA.
B) SPECT imaging with functional agent hippuran.
C) planar imaging with functional agent.
D) planar imaging with morphologic agent.

Question 6

Absolute renal function typically refers to the

A) blood flow images followed by a sequence of static images.
B) ERPF or GFR.
C) evaluation of a renal transplant.
D) relative renal function.

Question 7

A patient is scheduled for a diuretic renal imaging study. The technologist prepares the radiopharmaceutical and

A) furosemide.
B) captopril.
C) adenosine.
D) saline.

Question 8

If normal effective renal plasma flow (ERPF) is about 600 mL/min, normal glomerular filtration rate (GFR) is

A) 1.2 L/min.
B) 5 L/min.
C) 120 mL/min.
D) 600 mL/min.

Question 9

The two most common agents used for morphologic renal imaging are

A) (^99mTc-DMSA and ^99mTc-glucoheptonate.)
B) (^99mTc-MAG3 and ^99mTc-DTPA.
C) (^99mTc-DMSA and ^99mTc-DTPA.)
D) (^99mTc-MAG3 and ^99mTc-glucoheptonate.)

Question 10

The best view for demonstrating a horseshoe kidney is the

A) posterior view.
B) anterior view.
C) left posterior oblique.
D) left anterior oblique.

Question 11

A diuretic renal imaging study is most helpful in differentiating

A) acute tubular necrosis from rejection in a transplanted kidney.
B) ERPF from GFR.
C) renovascular hypertension from acute tubular necrosis.
D) a dilated from an obstructed renal collecting system.

Question 12

On a renal scan, the right kidney is slightly lower than the left kidney. Because of this, the technologist should

A) suspect that there is a tumor above the right kidney causing a displacement.
B) continue the scan because this is normal.
C) take additional views of the right side.
D) perform SPECT.

Question 13

A neobladder made from a portion of the small bowel is called

A) colostomy.
B) ileal loop.
C) ptotic.
D) jejunostomy.

Question 14

Morphologic renal imaging can be used to document

A) GFR and ERPF.
B) global and regional changes in renal function.
C) the existence of an ileal loop.
D) the evaluation of acute renal failure.

Question 15

Common morphologic imaging agents include

A) (^99mTc-DMSA and ^99mTc-glucoheptonate.)
B) (^99mTc-MAG3 and ^99mTc-DTPA.)
C) (^99mTc-DMSA and ^99mTc-DTPA.)
D) (^99mTc-MAG3 and ^99mTc-glucoheptonate.)

Question 16

With planar scintigraphy, the kidney may appear smaller than its normal size if the

A) radiopharmaceutical was compounded improperly.
B) camera is too far from the patient.
C) patient moves during the image acquisition.
D) long axis is not parallel to the surface of the camera crystal.

Question 17

After the injection of furosemide in a diuretic renal imaging study, the washout activity from the collecting system has a clearance half-time of less than 10 minutes. This is most likely indicative of a(n)

A) obstruction.
B) polycystic kidney.
C) dilated but unobstructed kidney.
D) normal kidney.

Question 18

A renogram (time-activity curve) shows prompt uptake of the tracer, with activity in the kidney peaking at 3 to 5 minutes after injection and decreasing to less than 50% of peak value by 20 minutes. The technologist should

A) suspect this to be normal.
B) suspect the patient is dehydrated.
C) suspect the patient had a contrast radiographic procedure prior to the renogram.
D) suspect the patient may need furosemide.

Question 19

A morphologic renal tracer is noted for its

A) retention in the renal parenchyma for a prolonged period of time.
B) retention in the glomerulus for a prolonged period of time.
C) rapid excretion from the renal parenchyma.
D) rapid excretion from the glomerulus.

Question 20

Two common agents used for functional renal imaging are

A) (^99mTc-DMSA and ^99mTc-glucoheptonate.)
B) (^99mTc-MAG3 and ^99mTc-DTPA.)
C) (^99mTc-DMSA and ^99mTc-DTPA.)
D) (^99mTc-MAG3 and ^99mTc-glucoheptonate.)

Question 21

Patient preparation for testicular scintigraphy includes the taping of the

A) testicles over the pubis.
B) penis over the pubis.
C) scrotum over the pubis.
D) penis to the testicles and penis over the pubis.

Question 22

All of the following are indicators for radionuclide renal scintigraphy, EXCEPT

A) vesicoureteral reflux.
B) renovascular hypertension.
C) chronic renal failure.
D) infection.

Question 23

A patient is scheduled for an indirect cystogram. The technologist should

A) prepare a catheter setup for instillation of the tracer.
B) prepare the tracer dose for intravenous injection.
C) prepare for the instillation of both the tracer and furosemide.
D) prepare instillation of the tracer dose and IV injection of furosemide.

Question 24

A patient informs the technologist that he has a ptotic kidney. Because of this, the technologist positions the patient in a sitting position.

Question 25

The most common radio pharmaceutical used in testicular scintigraphy is

A) (^99mTc-DTPA.)
B) (^99mTc-DMSA.)
C) (^99mTc-MAG3.)
D) (^99mTc-pertechnetate.)