EFA Exit Exam • Set 5 Question 10 of 30
The window period (seronegative period before antibodies are detectable) can last for up to:
✓
Direct Answer
Option A: 3 months
The window period for standard antibody testing is typically up to 3 months (90 days), after which over 99% of infected individuals develop detectable antibodies.
All Options
A
3 months
(Correct Answer)
B
4 months
C
5 months
D
6 months
Detailed Explanation & Context
The window period for standard antibody testing is typically up to 3 months (90 days), after which over 99% of infected individuals develop detectable antibodies.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Elementary First Aid (EFA).
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