Which Organ Contains Predominantly Tight Intercellular Junctions, Thereby Restricting Its

question 1

Multiple Choice

Which organ contains predominantly tight intercellular junctions, thereby restricting its uptake of drugs?

• A) Kidney
• B) Liver
• C) Brain
• D) Heart
• E) Lungs

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Definitions:

Glucocorticoid

A type of steroid hormone produced by the adrenal glands that regulates metabolism and immune response.

NK Cells

Natural Killer cells, a type of white blood cell that plays a critical role in the body's innate immune system by targeting and destroying virally infected cells and tumor cells.

General Adaptation Syndrome

A three-stage process (alarm, resistance, exhaustion) that describes the physiological changes the body goes through under stress.

Exhaustion

A state of extreme physical or mental fatigue, often resulting from overwork or stress.