Question Detail

ZOO 101 Nervous System Objective Question
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Question

What is the function of the blood-brain barrier?
Options
A To increase blood flow to the brain.
B To prevent harmful substances in the blood from entering the brain.
Correct Answer
C To allow all substances in the blood to enter the brain.
D To produce cerebrospinal fluid.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The blood-brain barrier prevents the brain from being exposed to harmful substances floating in the blood.

Hint

It acts as a selective filter.

Question Info

Course: ZOO 101
Topic: Nervous System
Type: Objective
Difficulty: Not specified
Question 700 of 2214
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