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Microbiology · Infection control
Sample itemWhy are standard precautions used for all patients?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Infection status may be unknown
Standard precautions assume blood and body fluids may carry infection even when status is unknown, reducing transmission risk.
Option by option
A. They replace vaccination
Vaccination remains important.
B. They remove need for cleaning
Environmental cleaning is still needed.
C. All patients have same infection
Patients do not all have the same infection.
D. Infection status may be unknown (correct)
Correct: unknown status supports universal precautions.
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.