Question Detail

BIO 101 BIO 101 Past Questions Objective Question
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Question

What prevents maternal immune rejection of the fetus despite its foreign antigens?
Options
A Cortical reaction
B Lack of maternal immune cells
C Immunosuppressive factors produced by the placenta
Correct Answer
D Mucous barrier
Correct Answer

Option C is the correct answer.

Detailed Explanation

The placenta acts as an immunological barrier and secretes factors that suppress local maternal immune responses, preventing the mother's immune system from attacking the semi-foreign fetal tissues.

Hint

The placenta manages the immune interface.

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 766 of 2556
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