DFO SET TAHI

Question 1

The central nervous system includes all of the nervous system except the peripheral nervous system.

Answer 1

True.

Question 2

A neuron that transmits a nerve impulse toward the central nervous system is called a:

a. Motor neuron
b. Sensory neuron
c. Interneuron
d. Bipolar neuron

Answer 2

Sensory Neuron

Question 3

Which of the following is not a function of the central nervous system (CNS)?

a. Integrating sensory information
b. Evaluating the information
c. Initiating an outgoing response
d. All of the above are functions

Answer 3

All of the above are functions

Question 4

The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the:

a. Somatic nervous system
b. Autonomic nervous system
c. Central nervous system
d. Afferent division

Answer 4

Somatic nervous system

Question 5

Groups of cell bodies located in the brain or spinal cord are referred to as ganglia.

Answer 5

False

Question 6

The innermost layer of the meninges is the:

a. Pia mater
b. Arachnoid membrane
c. Dura mater

Answer 6

Pia Matter

Question 7

The main divisions of the central nervous system are:

a. The brain, spinal cord, and autonomic nerves
b. The brain, spinal cord, and peripheral nerves
c. The brain and spinal cord

Answer 7

The brain and spinal cord

Question 8

There are __________ ventricles in the brain.

Answer 8

4

Question 9

From superficial to deep, which is the correct order of location of the meninges?

Answer 9

Dura Mater, Arachnoid membrane, Pia Mater

Question 10

The cerebrospinal fluid resides in the:

a. Ventricles of the brain
b. Subarachnoid space
c. Central canal of the spinal cord
d. All of the above

Answer 10

All of the above

Question 11

The limbic system controls:

a. Vomiting
b. Emotions
c. Speech
d. Balance

Answer 11

Emotions

Question 12

Along a neuron, the correct pathway for impulse conduction is:

a. Dendrite, axon, cell body, receptor
b. Dendrite, cell body, axon
c. Axon, cell body, dendrite
d. Receptor, axon, cell body

Answer 12

Dendrites, cell body, axon

Question 13

A neuron that has only one axon but several dendrites is classified as a:

a. Multipolar neuron
b. Bipolar neuron
c. Unipolar neuron
d. Multidendritic neuron

Answer 13

Multipolar neuron

Question 14

Gray matter in the brain and spinal cord consists primarily of:

a. Nerve fibers
b. Neuroglia
c. Axons
d. Cell bodies

Answer 14

Cell bodies

Question 15

The white matter of the nervous system is predominantly made up of:

a. Myelinated fibers
b. Nuclei
c. Unmyelinated fibers
d. Ganglia

Answer 15

Myelinated Fibers

Question 16

When an impulse reaches a synapse:

a. Two nerve fibers come in direct contact
b. Impulses will pass in either direction
c. An electrical spark will jump the gap
d. Chemical transmitters are released

Answer 16

Chemicals transmitted are released

Question 17

Neurotransmitters are released in a synapse and bind to:

a. Presynaptic terminals
b. The synaptic cleft
c. The base of the axon
d. Receptors on the postsynaptic terminal

Answer 17

Receptors on the postsynaptic terminal

Question 18

Dendrites conduct impulses:

a. Toward cell bodies
b. Away from cell bodies
c. Within cell bodies
d. None of the above

Answer 18

Toward cell bodies

Question 19

Interneurons reside:

a. In the CNS and peripheral nervous system
b. In the CNS only
c. In the peripheral nervous system only
d. None of the above

Answer 19

In the CNS only

Question 20

Which of the following is the deepest connective tissue layer of a nerve?

a. Endoneurium
b. Perineurium
c. Epineurium
d. Fascicle

Answer 20

Endoneurium