The Sternocleidomastoid Muscle Extends from the Mastoid Process of the Temporal

question 55

Multiple Choice

The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the ________.

• A) origin
• B) belly
• C) body
• D) insertion
• E) fixator

---

Definitions:

Stimulus

Any object, event, or factor that elicits or is capable of eliciting a response from a sensory system or an organism.

Controlling

Exercising authority or influence over a situation or individual to dictate or direct outcomes.

Negative Reinforcement

A process in behavior modification where the removal of an unfavorable outcome or stimulus strengthens the likelihood of a desired behavior.

Buzzer

An electronic device that produces a loud or vibrating sound as a signal or alarm.