Tight Junctions Between Capillary Endothelial Cells in the Central Nervous

question 81

Multiple Choice

Tight junctions between capillary endothelial cells in the central nervous system create the blood- brain barrier, thereby restricting what type of movement of molecules into the brain?

• A)diffusion of lipophilic
• B)facilitated diffusion of hydrophobic
• C)diffusion of hydrophilic
• D)active transport of
• E)transcytosis of

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Definitions:

Risk

The probability of an adverse event happening, affecting an individual's health, safety, or success.

Population

The total number of individuals inhabiting a particular area or forming a particular group.

Cortisol

A steroid hormone produced by the adrenal glands, often referred to as the "stress hormone" because its levels increase in response to stress.

Norepinephrine

A neurotransmitter and hormone important in the body’s response to stress and for regulating mood, attention, and vigilance.