Chapter 13 – Peripheral Nervous System Multiple Choice Questions

The primary function of the peripheral nervous system (PNS) is to:

• Process information

• Link the CNS to the body and external environment

• Control endocrine glands

• Generate voluntary movement

The somatic motor division primarily controls:

• Smooth muscle

• Cardiac muscle

• Glands

• Skeletal muscle

Which structure contains the cell bodies of sensory neurons of spinal nerves?

• Anterior root

• Posterior root ganglion

• Anterior horn

• Spinal nerve plexus

All spinal nerves are classified as:

• Sensory nerves

• Motor nerves

• Mixed nerves

• Autonomic nerves

The fight-or-flight response is associated with the:

• Parasympathetic nervous system

• Somatic nervous system

• Sympathetic nervous system

• Enteric nervous system

Tags

NGSS.HS-LS1-3

Which cranial nerves are NOT formed by the fusion of sensory and motor roots?

• Spinal nerves

• Cranial nerves

• Autonomic nerves

• Peripheral nerves

The phrenic nerve primarily innervates the:

• Heart

• Lungs

• Diaphragm

• Intercostal muscles

Which nerve is the longest and largest nerve in the body?

• Femoral nerve

• Sciatic nerve

• Ulnar nerve

• Radial nerve

Which cranial nerve is responsible for causing the pupil to constrict or dilate?

• Optic Nerve

• Occipital Nerve

• Oculomotor nerve

• Trochlear

What number is the Facial Nerve

• 5

• 6

• 7

• 8