Urinary Calculus Disease MCQ Question with Answer

Urinary Calculus Disease MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 1
Which patient is at lowest risk for the development of perinephric hematoma after ESWL?

hypertensive patient
patient on aspirin withheld 5 days prior to ESWL
a stone in a scared poorly functioning kidney
ESWL every other day

Question No : 2
What is (are) true concerning ESWL?

a stone is fragmented when the force of the shockwaves overcomes the tensile strength of the stone
fragmentation occurs as a result of compressive and tensile forces, erosion, shearing, spalling, and cavitation
the generation of compressive and tensile forces and cavitation are thought to be the most important
all of the above

Question No : 3
What statement is false concerning the use of desmopressin (DDAVP) in renal colic patients?

it causes reduction in the mean intra-ureteral pressure
it reduces the pain of acute renal colic
it has a direct relaxing effect on the renal pelvis and ureteral musculature
it is indicated when stones are ≤ 4 mm in diameter

Question No : 4
Why do patients with cystic fibrosis form stones?

because urine and body secretions are highly concentrated
due to renal leak hypercalciuria
as a result of distal renal tubular acidosis type I
because of reduced or absent of oxalobacter formigenes colonization

Question No : 5
Where do Randall plaques originate from?

transitional epithelium lining minor calyces
transitional epithelium lining major calyces
basement membrane of the loops of Henle
papillary tips of polar pyramids

Question No : 6
What is true regarding a stone in a urethral diverticulum?

is symptomless
should undergo a trial of milking out
diverticulectomy and stone extraction is the treatment of choice
ESWL is the preferred treatment option

Question No : 7
What risk factor(s) promote(s) stone formation?

metabolic disorders
congenital anomalies
all of the above