What Is the Action of the Muscle Labeled K

question 102

Multiple Choice

What is the action of the muscle labeled K?

• A)adducts hand at wrist joint
• B)weakly flexes hand at wrist joint
• C)abducts hand at wrist joint
• D)flexes distal phalanx of thumb
• E)extends hand at wrist joint

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Definitions:

Optogenetics

A biological technique that uses light to control cells within living tissue, typically neurons, that have been genetically modified to express light-sensitive ion channels.

Animal Research

The use of animals in scientific studies to gain insights into biological processes and human diseases.

Area Postrema

The area postrema is a region in the brain that controls vomiting and is located in the medulla oblongata, forming part of the circumventricular organs.

Pituitary Gland

Endocrine gland attached to the bottom of the hypothalamus; its secretions control the activities of many other endocrine glands; associated with biological rhythms.