Exam 4: NU110 NU 110 Latest

Exam 4: NU110 / NU 110 (Latest

Update 2025 / 2026) Integrated Human Sciences | Questions & Answers | 100 % Correct | Grade A - Galen

Question:

A cholinergic fiber within the autonomic nervous system releases which neurotransmitter?

• Epinephrine
• Acetylcholine
• Norepinephrine
• Dopamine

Answer:

• Acetylcholine

Question:

What term describes the hopping of the action potential (nerve impulse) along the axon from one node (of Ranvier) to the next?

• Myelination
• Depolarization 1 / 3

• Saltatory conduction
• Repolarization

Answer:

• Saltatory conduction

Question:

The temporal lobe:

• is a brain stem structure.
• is a cerebellar structure.
• contains the primary auditory cortex.

D.is a large mass of white matter that joins the right and left cerebral hemispheres.

Answer:

• contains the primary auditory cortex.

Question:

Injury to the occipital lobe is most likely to cause:

• hearing loss.
• paralysis.
• loss of vision.
• disturbances in gait.

Answer:

• loss of vision. 2 / 3

Question:

The tenth cranial nerve, the _____ nerve, "wanders" outside the head area and innervates the heart and gastrointestinal systems.

• Trigeminal
• Vagus
• Olfactory
• spinal accessory

Answer:

• Vagus

Question:

The oculomotor, trochlear, and abducens are cranial nerves that:

• innervate the extrinsic eye muscles (move the eyeball).
• innervate the levator palpebrae superioris (lift the eyelid).
• interpret sensory information from the optic nerve.
• innervate the muscles of mastication.

Answer:

• innervate the extrinsic eye muscles (move the eyeball).

Question:

An area of skin innervated by a spinal nerve is called a:

• plexus.
• tract.
• / 3