VSR-0070
QUESTION
The most common site for obstruction of urinary calculi in cattle is?
OPTIONS
(A) Distal to sigmoid flexure
(B) Urethral process
(C) Neck of bladder
(D) Urinary bladder
ANSWER
(A) Distal to sigmoid flexure
EXPLANATION
In cattle, especially males, the distal urethra around or just beyond the sigmoid flexure is a frequent site of obstructing uroliths. A urethral process is particularly characteristic of small ruminants, while the bladder neck and bladder are different locations from the usual bovine urethral obstruction.
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