The Main Action of Acetylcholine (ACh)at Cholinergic Synapses in the Peripheral

question 34

Multiple Choice

The main action of acetylcholine (ACh) at cholinergic synapses in the peripheral nervous system results in which act?

• A)Inhibition of optic muscles
• B)Stimulation of cardiac muscle
• C)Contraction of skeletal muscle
• D)Relaxation of smooth muscle

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Definitions:

Psoas Minor

A slender muscle of the human body, located anterior to the psoas major muscle, that plays a role in flexing the lumbar region of the vertebral column.

Trapezius

A large, triangular muscle extending over the back of the neck and shoulders, involved in moving, rotating, and stabilizing the scapula and extending the neck.

Scapula

A flat, triangular bone located in the upper back, commonly known as the shoulder blade, that connects the humerus with the clavicle.

Latissimus Dorsi

A large, flat muscle on the back that helps in movement of the shoulders, stabilizes the spine, and assists in breathing.