Multiple Choice
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1. Introduction to Biology
Introduction to Biology
Multiple Choice
Which of the following human body fluids is NOT known to transmit HIV?
A
Semen
B
Tears
C
Blood
D
Vaginal fluid
Verified step by step guidance1
Step 1: Understand the context of the problem. HIV (Human Immunodeficiency Virus) is transmitted through certain body fluids that contain a high concentration of the virus. These fluids include blood, semen, vaginal fluids, rectal fluids, and breast milk.
Step 2: Review the options provided in the question: Semen, Tears, Blood, and Vaginal fluid. Consider which of these fluids are known to transmit HIV based on scientific evidence.
Step 3: Recall that tears are not considered a significant source of HIV transmission. This is because the concentration of the virus in tears is extremely low and insufficient to cause infection.
Step 4: Compare tears to the other fluids listed (semen, blood, vaginal fluid), which are known to have higher concentrations of HIV and are documented as transmission sources.
Step 5: Conclude that tears are the correct answer to the question, as they are not known to transmit HIV, unlike the other fluids listed.
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