Question 1

The olfactory nerves and optic nerves are mixed nerves.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following are adrenergic fibers?

Accepted Answer

A)   parasympathetic postganglionic fibers
B)   sympathetic postganglionic fibers
C)   parasympathetic preganglionic fibers
D)   sympathetic preganglionic fibers
E)   motor fibers to skeletal muscle B

Question 3

Pulling your hand away from a hot pot is an example of

Accepted Answer

A)   a withdrawal reflex.
B)   a stretch reflex.
C)   an extensor reflex.
D)   a tension reflex. A

Question 4

The respiratory areas are in the pons and in the

Accepted Answer

A)   thalamus.
B)   cerebrum.
C)   midbrain.
D)   medulla oblongata.
E)   cerebellum.

Question 5

Which is NOT a method for clearing neurotransmitters from the synaptic cleft?

Accepted Answer

A)   decomposition by enzymes
B)   reuptake by the releasing neuron
C)   diffusion away from the synapse
D)   phagocytosis by dendritic cells

Question 6

Unmyelinated axons and neuron cell bodies form

Accepted Answer

A)   gray matter.
B)   white matter.
C)   nodes of Ranvier.
D)   chromatophilic substance.

Question 7

Cell bodies of motor neurons are located in the anterior horns of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 8

These neuroglia provide structural support between neurons and blood vessels,have numerous processes,and help regulate extracellular nutrient and ion concentration.

Accepted Answer

A)   astrocytes
B)   ependymal cells
C)   oligodendrocytes
D)   microglia
E)   Schwann cells

Question 9

Efferent neurons carry impulses from the central nervous system to effectors.

Accepted Answer

A) True 
 B)False

Question 10

This branch of the autonomic nervous system prepares the body for stressful or emergency situations.

Accepted Answer

A)   parasympathetic
B)   sympathetic
C)   somatic
D)   visceral afferent

Question 11

These convert environmental information into impulses that are conducted to the central nervous system.

Accepted Answer

A)   sensory receptors
B)   motor nerves
C)   effectors
D)   neuroglia
E)   myelin

Question 12

Impulse conduction is ________ in myelinated nerve fibers.

Accepted Answer

A)   faster
B)   slower

Question 13

Which list gives the following five parts of a reflex arc in order? (1)central nervous system, (2)effector, (3)motor neuron, (4)receptor, (5)sensory neuron

Accepted Answer

A)   4,5,1,3,2
B)   4,5,3,2,1
C)   3,1,4,5,2
D)   2,3,4,1,5

Question 14

Within the meninges,cerebrospinal fluid occupies the

Accepted Answer

A)   pia mater.
B)   dura mater.
C)   epidural space.
D)   subarachnoid space.
E)   none of the above.

Question 15

The simplest nerve pathway in the body is called a(n)

Accepted Answer

A)   reflex arc.
B)   effector route.
C)   reception path.
D)   output relay.

Question 16

Bundles of axons that carry impulses into the brain or spinal cord are

Accepted Answer

A)   sensory nerves.
B)   motor nerves.
C)   mixed nerves.
D)   all of these.

Question 17

A neuron's "trigger zone" is the

Accepted Answer

A)   axon hillock.
B)   axon terminal.
C)   soma.
D)   synaptic knob.

Question 18

The outermost layer of the meninges is the __________ mater.

Accepted Answer

The answer of The outermost layer of the meninges is...

Question 19

The cellular processes of neurons that provide receptive surfaces for input from other neurons are

Accepted Answer

A)   neurofibrils.
B)   Nissl fibers.
C)   axons.
D)   dendrites.
E)   nuclei.

Question 20

The butterfly shape seen in a cross section of the spinal cord is composed of white matter.

Accepted Answer

A) True 
 B)False

Exam 9: Nervous System

The olfactory nerves and optic nerves are mixed nerves.

Which of the following are adrenergic fibers?

Pulling your hand away from a hot pot is an example of

The respiratory areas are in the pons and in the

Which is NOT a method for clearing neurotransmitters from the synaptic cleft?

Unmyelinated axons and neuron cell bodies form

Cell bodies of motor neurons are located in the anterior horns of the spinal cord.

These neuroglia provide structural support between neurons and blood vessels,have numerous processes,and help regulate extracellular nutrient and ion concentration.

Efferent neurons carry impulses from the central nervous system to effectors.

This branch of the autonomic nervous system prepares the body for stressful or emergency situations.

These convert environmental information into impulses that are conducted to the central nervous system.

Impulse conduction is ________ in myelinated nerve fibers.

Which list gives the following five parts of a reflex arc in order? (1) central nervous system, (2) effector, (3) motor neuron, (4) receptor, (5) sensory neuron

Within the meninges,cerebrospinal fluid occupies the

The simplest nerve pathway in the body is called a(n)

Bundles of axons that carry impulses into the brain or spinal cord are

A neuron's "trigger zone" is the

The outermost layer of the meninges is the __________ mater.

The cellular processes of neurons that provide receptive surfaces for input from other neurons are

The butterfly shape seen in a cross section of the spinal cord is composed of white matter.