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.

Question No : 15
What is false concerning recurrent stone formation?

best treated by total parathyroidectomy

first-time stone formers are at a 50% risk for recurrence

males have higher recurrence rate than females

stone formers produce stones of the same type every time

Question No : 16
What could carry the least risk of colon injury during PCNL?

subcostal puncture performed during full expiration

previous open nephrolithotomy

access lateral to the posterior axillary line

horseshoe kidney

Question No : 17
What is the first-line treatment of kidney stones of a burden greater than 2 cm?

ESWL

URS

PCNL

none of the above

Question No : 18
What is false concerning staghorn calculus?

commonly unilateral

commonly due to repeated infections

urate stones are the second most common cause of staghorn calculi

ESWL monotherapy with ureteral stenting is the ideal treatment

Question No : 19
What is the most common organism that might complicate PCNL?

Proteus mirabilis

E. coli

Pseudomonas aeruginosa

Staphylococcus epidermidis

Question No : 20
What is the Hounsfield density range of uric acid stones?

400 600 HU

600 800 HU

800 1000 HU

1000 1200 HU

Question No : 21
Which of the following is a relative contra-indication to ESWL?

renal insufficiency

active urinary tract infection

uncorrected bleeding disorder

third trimester pregnancy