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Orthopaedics · Low back pain
Sample itemWhich feature in low back pain is a red flag needing urgent assessment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. New urinary retention with saddle numbness
Urinary retention and saddle sensory loss may indicate cauda equina syndrome, which needs urgent evaluation to prevent permanent deficits.
Option by option
A. Pain relieved by rest after activity
Mechanical pain may improve with rest.
B. Mild stiffness on waking
Morning stiffness alone is nonspecific.
C. New urinary retention with saddle numbness (correct)
Correct: this combination suggests cauda equina compression.
D. Localized pain after gardening
Minor strain is common after unaccustomed activity.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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