When Osmoreceptor Neurons in the Hypothalamus Detect a Rise in Blood

question 110

Multiple Choice

When osmoreceptor neurons in the hypothalamus detect a rise in blood osmolarity, they stimulate

• A) release of aldosterone.
• B) release of atrial natriuretic peptide (ANP).
• C) thirst and release of antidiuretic hormone (ADH).
• D) release of renin.
• E) actions that cause decreased reabsorption of water by nephrons.

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Definitions:

Exhaustion Stage

The final phase of the General Adaptation Syndrome, characterized by the body's depletion of physical and psychological resources following prolonged stress.

Autonomic

Relating to the autonomic nervous system, which controls involuntary actions of the body such as heart rate and digestion.

Sympathetic

Relating to the sympathetic nervous system, which triggers the body's rapid involuntary response to dangerous or stressful situations; also means showing understanding or compassion toward others.

Alarm Phase

The initial phase of the stress response, where the body undergoes various physiological changes to combat stress.