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0

Name four subdivisions of the peripheral nervous system.

Cranial nerves, spinal nerves, ANS, ENS

1

Name five special senses.

Taste, olfaction, vision, hearing, and balance

2

The nervous system is divided functionally into the ____ and the ____ or ____ and ____.

SNS & ANS or efferent & afferent

3

Name the structural and functional unit of the nervous system.

Neurons

4

Which is a correct description of neuroglia?
A. They are less than the neurons in number.
B. They are excitable cells.
C. They support the neurons.
D. They are supported by the neurons.

C. They support the neurons.

5

In the PNS, neuroglia include:
A. Ependymal cells
B. Neurolemma cells
C. Astrocytes
D. Oligodendroglia

B. Neurolemma cells

6

Schwann cell is also called:
A. Satellite cell
B. Neuroglia cell
C. Neurolemma cell
D. Ependymal cell

C. Neurolemma cell

7

Th cranial ventricles are lined by
A. Oligodendroglia cells
B. Ependymal cells
C. Astrocytes
D. Satellite cells

B. Ependymal cells

8

A collection of nerve cells in the CNS is known as:
A. Nucleus
B. Plexus
C. Ganglion
D. Tract

A. Nucleus

9

The white matter in the CNS includes:
A. Cranial nucleus
B. Dorsal horn of the spinal cord
C. Cranial tract
D. Ventral horn of the spinal cord

C. Cranial tract

10

The meninges include _____, _____, and _____.

Pia mater
Arachnoid mater
Dura mater

11

Name the layer that provides an effective barrier of nerve fibers.

Perineurium

12

The endoneurium surrounds the axon and the ______ cell.

Neurolemma

13

Name the two types of ganglia in function.

Autonomic (visceral motor)
Sensory

14

Name the structure which carries impulses away from the nerve cell body.

Axon

15

In the PNS, the sensory nerve fibers are also known as ______.

Afferent fibers

16

How many cranial nerves arise from the brain?

11

17

What is the descriptive name of the cranial nerve which arises from the upper cervical spinal cord?

Spinal accessory nerve (CN XI)

18

Spinal nerves arise from the spinal cord as:
A. Anterior and posterior roots
B. Anterior and posterior rootlets
C. Mixed spinal nerves
D. Ventral and dorsal rami

B. Anterior and posterior rootlets

19

The unilateral area of skin innervated by the fibers of a single spinal nerve is called a _____.

Dermatome

20

Which of the following is a correct description of proprioceptive sensation?
A. Proprioceptive sensations are usually conscious.
B. Proprioceptive sensation is related to visual input
C. Proprioceptive sensation concerning distension of the stomach
D. Proprioceptive sensation concerns the spatial orientation of the body and limbs.

D. Proprioceptive sensation concerns the spatial orientation of the body and limbs.

21

Visceral motor fibers transmit impulses to _____, _____, and _____.

Smooth muscle
Cardiac muscle
Glandular tissue

22

Branchial motor fibers innervate
A. Masseter
B. Sternohyoid
C. Thyrohyoid
D. Levator scapula

A. Masseter

23

Name three functionally different modalities of the nerve fibers which innervate the skeletal muscles.

Somatic efferent
Branchial efferent
Parasympathetic visceral efferent

24

Name four functional modalities of the nerve fibers which are carried by the facial nerve.

Branchial efferent
Visceral/parasympathetic efferent
General afferent
Special sensory

25

In general how many neurons are involved in a consecutive somatic motor pathway?

Two

26

The lower motor neurons are embedded in the _____ forming the nuclei of origin.

Anterior gray column of the spinal cord

27

The lower motor neuronal bodies are located in the _____ and _____ of the spinal cord as the nuclei of origin.

Brain stem and upper cervical

28

Which of the following symptoms is related with lower motor lesions?
A. Spastic paralysis
B. Hyper tonicity
C. Clonus
D. Atrophy

D. Atrophy

29

In general where are the secondary sensory cranial nuclei of termination?

Dorsal gray matter of the brainstem