You Clench Your Fist, Rapidly Open Your Hand, Then Rapidly

question 34

Multiple Choice

You clench your fist, rapidly open your hand, then rapidly re-clench your fist. After you re-clench your fist, you momentarily see an image of your fingers extended. That image is stored in

• A) working memory.
• B) long-term memory.
• C) sensory memory.
• D) the information processor.

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Definitions:

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by decreasing the concentration of calcium.

Parathyroid Hormone (PTH)

A hormone secreted by the parathyroid glands that regulates calcium and phosphate levels in the blood.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary actions and the functioning of internal organs.

Homeostasis

The autonomous mechanism through which life forms uphold equilibrium as they adapt to variations in environmental conditions.