Increased Osmolality of the Extracellular Fluid

question 4

Multiple Choice

Increased osmolality of the extracellular fluid

• A) increases thirst.
• B) inhibits ADH.
• C) increases renin secretion.
• D) increases aldosterone secretion.
• E) decreases thirst.

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Definitions:

Anterior Horn

The front section of the spinal cord's grey matter, containing cell bodies of motor neurons.

Arbor Vitae

A term meaning "tree of life," referring to the cerebellar white matter's branched, tree-like appearance in the human brain, critical for coordinating movement.

Midbrain

A portion of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep patterns.