CPAP 9.4 Peripheral Nervous System Review

Front

Which cranial nerve is responsible for the shoulder shrug?

Back

Accessory nerve (Cranial Nerve XI) is responsible for shoulder shrugging and head rotation.

Front

The portion of the nervous system that is considered involuntary is the _____?

Back

Autonomic nervous system controls involuntary bodily functions such as heart rate and digestion.

Front

Which cranial nerves are mixed?

Back

The mixed cranial nerves include Trigeminal (V), Facial (VII), Glossopharyngeal (IX), and Vagus (X).

Front

How many pairs of cranial nerves are there?

Back

There are 12 pairs of cranial nerves in the human body.

Front

A rapid motor response to a sensory stimulus in which nerve impulses travel in an arc that includes the spinal cord but not the brain is known as a ____?

Back

Reflex is a rapid motor response that occurs without involving the brain.

Front

What is the function of the Autonomic Nervous System?

Back

The Autonomic Nervous System regulates involuntary physiological functions, including heart rate, blood pressure, respiration, and digestion.

Front

What are the two main divisions of the Autonomic Nervous System?

Back

The two main divisions are the Sympathetic Nervous System and the Parasympathetic Nervous System.

Front

What is the role of the Trigeminal nerve?

Back

The Trigeminal nerve (Cranial Nerve V) is responsible for sensation in the face and motor functions such as biting and chewing.

Front

What is the primary function of the Vagus nerve?

Back

The Vagus nerve (Cranial Nerve X) controls heart rate, gastrointestinal peristalsis, sweating, and several muscle movements in the voice box.

Front

What is a reflex arc?

Back

A reflex arc is the neural pathway that mediates a reflex action, consisting of a sensory neuron, an interneuron, and a motor neuron.