c h a p t er quiz

A postganglionic neuron in the ANS

• is the first part of an autonomic motor pathway.

• carries information into the sympathetic chain ganglia

• releases neurotransmitter that binds to the effector cell.

• 1. has its cell body in the brain or spinal cord.

• 1. has its axons exiting the CNS through cranialinerves

A postganglionic neuron in the ANS

• is the first part of an autonomic motor pathway.

• carries information into the sympathetic chain ganglia

• releases neurotransmitter that binds to the effector cell.

• 1. has its cell body in the brain or spinal cord.

• 1. has its axons exiting the CNS through cranialinerves

The adult brain consists of what four major regions? Select all that apply.

• thombencephalon

• diencephalon

• cerebrum

• 1. brainstem

• 1. cerebellum

Which of the following brain structures consists of the medulla oblongata, pons and midbrain?

• Dura mater

• Diencephalon

• 1. Brainstem

• 1. Cerebrum

• 1. Cerebellum

Which of the following describes a function of cerebrospinal fluid?

1. Maintain optimum ionic environment

2. Maintain pH homeostasis

3. Provide circulation for exchange of nutrients/wastes

4. Serve as a shock absorbing fluid system of spinal cord

5. Provide buoyancy of the brain

• 1.2,3

• 2, 3,4,5

• 1, 4, 5

• 1,3,5

• 1, 2, 3, 4, 5

Which cranial nerves innervate only one eye muscle? Select all that apply.

• trigeminal (V) nerve

• trochlear (IV) nerve

• oculomotor (Ill) nerve

• 1. abducens (VI) nerve

• 1. vestibulocochleariVillinerve

Which cranial nerves control movements of the eyeball?

• olfactory (1) nerve, trigeminal (V) nerve, and vagus (X) nerve

• vagus (X) nerve, accessory (XI) nerve, and hypoglossal (XIl) nerve

• oculomator (IlI) nerve. glossopharyngeal (IX) nerve. and trigeminal (V) nerve

• oculomotor (Ill) nerve, trochlear (IV) nerve, and abducens (VI) nerve

• optic (Il) nerve, oculomotor (I) nerve, and trochleac(IM nerve

Which cranial nerve in the diagram has a somatic motor function primarily involved in moving the upper eyelid and eyeball and an autonomic function involved in iris muscle contraction?

• A

• F

• C

• D

• B

Left side face paralysis could result from damage to which nerve in the diagram?

• D

• F

• E

• C

• G

Damage to which cranial nerve in the diagram will cause the inability of an eyeball to move laterally beyond the midpoint?

• E

• B

• C

• F

• D