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Standard Precautions treat body substances as potentially infectious, with one stated exception. Which substance is that exception?
ASaliva
BSweat
CUrine
DTears
Answer & Solution
Correct answer: B. Sweat
1. The founding principle covers all blood, body fluids, secretions and excretions, plus nonintact skin and mucous membranes.
2. Sweat is the single substance excluded from that list.
3. Saliva, urine and tears are secretions or excretions, so all three stay inside the list and are handled as potentially infectious.
4. Treating sweat as the exception does not relax hand hygiene, which is performed for patient contact regardless.
_Source: CDC Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings (2007), Part III, section III.A. Standard Precautions_
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