The Blood-Brain Barrier

question 141

Multiple Choice

The blood-brain barrier:

• A)Is a valve-like structure that prevents the peripheral blood from mixing with the cerebrospinal fluid
• B)Is formed by pores in the blood vessel walls that control which molecules can pass through
• C)Does not allow lipid soluble drugs to enter the brain
• D)Requires special transporters to move amino acids and vitamins into the brain

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Definitions:

Inherited Traits

Attributes, characteristics, or disorders that are genetically passed from parents to their offspring.

Living Environments

The various settings or places where individuals reside, which can significantly impact their physical, psychological, and social wellbeing.

Personality Traits

Enduring characteristics or qualities that describe an individual's consistent behaviors and attitudes.

MZ Twins

Monozygotic twins, also known as identical twins, originating from a single fertilized egg and sharing nearly identical genetic materials.