A flat-plate x-ray of the abdomen to indicate the size and position of the kidneys, ureters, and bladder is called:
A) cystoscopy.
B) KUB.
C) BUN.
D) retrograde pyelography.
B
Explanation:
A) Cystoscopy uses an instrument for a visual exam of the bladder.
B) Correct.
C) A BUN is a blood test.
D) Retrograde pyelography is x-rays after introduction of a contrast medium backward through a urinary catheter.
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