Which Is an Action of the Sternocleidomastoid

question 84

Multiple Choice

Which is an action of the sternocleidomastoid?

• A)flexion of the lower neck at the spinal joints
• B)extension of the lower neck at the spinal joints
• C)ipsilateral rotation of the neck at the spinal joints
• D)depression of the scapula at the scapulocostal joint

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Definitions:

Homeostatic Mechanisms

Biological systems that maintain stable internal conditions (like temperature and pH) despite changes in the external environment.

Hypothalamus

A region of the brain that controls an immense number of bodily functions, including hunger, thirst, body temperature, and the release of many hormones.

Prolactin

is a hormone produced by the pituitary gland that stimulates milk production after childbirth and affects many other functions including reproductive, metabolic, and immune regulation.