A&P Chp18-Bank comprehensive Questions and
Answers with 100% Correct Answers | Latest Version
Question 1.
The efferent pathways of the autonomic nervous system consist of the _____ nervous
systems. a. peripheral and afferent b. sympathetic and parasympathetic c. sympathetic and
efferent d. parasympathetic and somatic
Correct Answer: b. sympathetic and parasympathetic
Question 2.
. A neuron that transmits a nerve impulse toward the central nervous system is called a(n):
a. motor neuron. b. sensory neuron. c. interneuron. d. bipolar neuron.
Correct Answer: b. sensory neuron
Question 3.
The largest and most numerous types of neuroglia are the: a. astrocytes. b. microglia. c.
ependymal cells. d. oligodendrocytes.
Correct Answer: a. astrocytes.
Question 4.
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 of the CNS.
Correct Answer: d. All of the above are functions of the CNS.
Question 5.
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.
Correct Answer: a. somatic nervous system.
Question 6.
The myelin sheath is formed by: a. Nissl bodies. b. nodes of Ranvier. c. Schwann cells. d.
neuron cell bodies.
Correct Answer: c. Schwann cells.
, Question 7.
Which is not true of the myelin sheath? a. It is associated with white fibers in the brain. b. It is
important for nerve impulse conduction. c. It covers cell bodies in the brain and spinal cord.
d. It is destroyed in those with multiple sclerosis.
Correct Answer: c. It covers cell bodies in the brain and spinal cord.
Question 8.
Neurons in the CNS have less chance of regenerating for all of the following reasons except:
a. there is no neurolemma in cells of the CNS. b. astrocytes fill in the path of regrowth. c.
microglia lay down scar tissue. d. All of these lessen the chance of healing in the CNS.
Correct Answer: c. microglia lay down scar tissue.
Question 9.
Along a neuron, the correct pathway for impulse conduction is: a. dendrite, axon, cell body,
and receptor. b. dendrite, cell body, and axon. c. axon, cell body, and dendrite. d. receptor,
axon, and cell body.
Correct Answer: b. dendrite, cell body, and axon.
Question 10.
A neuron that has only one axon but several dendrites is classified as a _____ neuron. a.
multipolar b. bipolar c. unipolar d. multidendritic
Correct Answer: a. multipolar
Question 11.
Which is true of a reflex arc? a. It does not involve the brain. b. It always consists of an
afferent neuron and an efferent neuron. c. It always consists of an afferent neuron, an
efferent neuron, and an interneuron. d. It always consists of an afferent neuron, an efferent
neuron, the brain, and the spinal cord.
Correct Answer: b. It always consists of an afferent neuron and an efferent neuron.
Question 12.
Multipolar neurons have: a. multiple axons and multiple dendrites. b. multiple axons and one
dendrite. c. multiple dendrites and one axon. d. one dendrite and one axon.
Correct Answer: c. multiple dendrites and one axon.
Question 13.
Most unipolar neurons are usually: a. motor neurons. b. neurons of the parasympathetic
nervous system. c. sensory neurons. d. neurons of the sympathetic nervous system.
Correct Answer: c. sensory neurons.
Answers with 100% Correct Answers | Latest Version
Question 1.
The efferent pathways of the autonomic nervous system consist of the _____ nervous
systems. a. peripheral and afferent b. sympathetic and parasympathetic c. sympathetic and
efferent d. parasympathetic and somatic
Correct Answer: b. sympathetic and parasympathetic
Question 2.
. A neuron that transmits a nerve impulse toward the central nervous system is called a(n):
a. motor neuron. b. sensory neuron. c. interneuron. d. bipolar neuron.
Correct Answer: b. sensory neuron
Question 3.
The largest and most numerous types of neuroglia are the: a. astrocytes. b. microglia. c.
ependymal cells. d. oligodendrocytes.
Correct Answer: a. astrocytes.
Question 4.
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 of the CNS.
Correct Answer: d. All of the above are functions of the CNS.
Question 5.
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.
Correct Answer: a. somatic nervous system.
Question 6.
The myelin sheath is formed by: a. Nissl bodies. b. nodes of Ranvier. c. Schwann cells. d.
neuron cell bodies.
Correct Answer: c. Schwann cells.
, Question 7.
Which is not true of the myelin sheath? a. It is associated with white fibers in the brain. b. It is
important for nerve impulse conduction. c. It covers cell bodies in the brain and spinal cord.
d. It is destroyed in those with multiple sclerosis.
Correct Answer: c. It covers cell bodies in the brain and spinal cord.
Question 8.
Neurons in the CNS have less chance of regenerating for all of the following reasons except:
a. there is no neurolemma in cells of the CNS. b. astrocytes fill in the path of regrowth. c.
microglia lay down scar tissue. d. All of these lessen the chance of healing in the CNS.
Correct Answer: c. microglia lay down scar tissue.
Question 9.
Along a neuron, the correct pathway for impulse conduction is: a. dendrite, axon, cell body,
and receptor. b. dendrite, cell body, and axon. c. axon, cell body, and dendrite. d. receptor,
axon, and cell body.
Correct Answer: b. dendrite, cell body, and axon.
Question 10.
A neuron that has only one axon but several dendrites is classified as a _____ neuron. a.
multipolar b. bipolar c. unipolar d. multidendritic
Correct Answer: a. multipolar
Question 11.
Which is true of a reflex arc? a. It does not involve the brain. b. It always consists of an
afferent neuron and an efferent neuron. c. It always consists of an afferent neuron, an
efferent neuron, and an interneuron. d. It always consists of an afferent neuron, an efferent
neuron, the brain, and the spinal cord.
Correct Answer: b. It always consists of an afferent neuron and an efferent neuron.
Question 12.
Multipolar neurons have: a. multiple axons and multiple dendrites. b. multiple axons and one
dendrite. c. multiple dendrites and one axon. d. one dendrite and one axon.
Correct Answer: c. multiple dendrites and one axon.
Question 13.
Most unipolar neurons are usually: a. motor neurons. b. neurons of the parasympathetic
nervous system. c. sensory neurons. d. neurons of the sympathetic nervous system.
Correct Answer: c. sensory neurons.
