Question 1

A tumor can occur in any tissue within the CNS.

Accepted Answer

A) True 
 B)False

Question 2

The voluntary movement of skeletal muscle is controlled by the somatic nervous system.

Accepted Answer

A) True 
 B)False

Question 3

A condition in which the brain is substantially missing is

Accepted Answer

A)  spina bifida.
B)  amyotrophic lateral sclerosis.
C)  muscular dystrophy.
D)  anencephaly.
E)  cerebral palsy.F) A) and B)
G) A) and C)

Question 4

Choose the answer that correctly lists,in chronological order,the events involved in synaptic transmission.
A: A nerve impulse reaches the synaptic knob
B: Neurotransmitter molecules diffuse across the synaptic cleft
C: A nerve impulse begins in the postsynaptic cell
D: Neurotransmitter molecules bind to receptors in the postsynaptic cell
E: A voltage change occurs in the postsynaptic cell

Accepted Answer

A)  a,c,b,d,e
B)  a,b,e,d,c
C)  c,b,d,e,a
D)  a,b,d,e,c
E)  c,a,b,d,eF) None of the above
G) D) and E)

Question 5

Which is not a function of the motor division of the nervous system?

Accepted Answer

A)  Conducts output (nerve impulses) from the CNS
B)  Transmits impulses to muscles and glands
C)  Transmits impulses from the viscera
D)  Voluntary control of skeletal muscle
E)  Involuntary control of the heartF) All of the above
G) B) and E)

Question 6

Which statement is correct concerning the terms afferent and efferent with respect to the nervous system?

Accepted Answer

A)  Afferent refers to the conduction of an impulse outward from the CNS.
B)  Both terms refer to conducting impulses outward from the CNS although efferent pathways carry only sensory impulses.
C)  Efferent refers to the conduction of motor impulses toward the CNS.
D)  Afferent refers to the conduction of sensory impulses toward the CNS.
E)  Both terms refer to conducting impulses toward the CNS although afferent pathways carry only motor impulses.F) A) and B)
G) C) and D)

Question 7

Cranial nerves are part of the CNS.

Accepted Answer

A) True 
 B)False

Question 8

-What type of synapse does number 2 indicate?

Accepted Answer

A)  Axodendritic
B)  Axoaxonic
C)  Axosomatic
D)  Dendrodendritic
E)  DendrosomaticF) A) and D)
G) C) and E)

Question 9

Based on structure,the most common type of neuron is the _____ neuron.

Accepted Answer

A)  multipolar
B)  bipolar
C)  unipolar
D)  pseudounipolarE) A) and B)
F) A) and C)

Question 10

A primary tumor is one that originates in a primary embryonic germ layer such as mesoderm,endoderm,or ectoderm.

Accepted Answer

A) True 
 B)False

Question 11

Which is true regarding the action of a neurolemmocyte?

Accepted Answer

A)  Each neurolemmocyte can form a myelin sheath around many axons simultaneously.
B)  A neurolemmocyte is responsible for forming part of the blood-brain barrier.
C)  Neurolemmocytes function only within the CNS.
D)  Each neurolemmocyte can wrap only a 1mm portion of a single axon.
E)  A neurolemmocyte attacks pathogens.F) C) and D)
G) B) and D)

Question 12

Which glial cell helps to form the blood-brain barrier?

Accepted Answer

A)  Astrocyte
B)  Ependymal cell
C)  Neurolemmocyte
D)  Microglial cell
E)  OligodendrocyteF) B) and C)
G) C) and D)

Question 13

The type of neuronal circuit in which several nerve impulses come together at a single postsynaptic neuron is a _____________ circuit.

Accepted Answer

A)  converging
B)  diverging
C)  reverberating
D)  parallel-after-discharge
E)  None of the choices is correct.F) A) and D)
G) All of the above

Question 14

A nerve impulse travels fastest along ________ axons of ______ diameter.

Accepted Answer

A)  myelinated;small
B)  unmyelinated;small
C)  myelinated;large
D)  unmyelinated;large
E)  None of the choices;axon diameter does not affect impulse conduction.F) A) and B)
G) C) and D)

Question 15

The portion of the nervous system that conducts impulses from the skin,joints,skeletal muscles,and special senses is the _________ _______ division.

Accepted Answer

A)  autonomic motor
B)  somatic sensory
C)  somatic motor
D)  visceral sensoryE) A) and D)
F) All of the above

Question 16

The afferent division of the nervous system is also known as the _____ division.

Accepted Answer

A)  motor
B)  cranial
C)  ganglial
D)  efferent
E)  sensoryF) A) and E)
G) A) and C)

Question 17

The type of neuronal circuit that uses feedback to produce a repeated,cyclical stimulation of the circuit is a _____________ circuit.

Accepted Answer

A)  converging
B)  diverging
C)  reverberating
D)  parallel-after-discharge
E)  None of the choices is correct.F) None of the above
G) B) and C)

Question 18

-What type of synapse does number 3 indicate?

Accepted Answer

A)  Axodendritic
B)  Axoaxonic
C)  Axosomatic
D)  Dendrodendritic
E)  DendrosomaticF) C) and D)
G) A) and D)

Question 19

Billions of CNS interneurons are grouped in complex patterns called neuronal

Accepted Answer

A)  networks.
B)  complexes.
C)  pools.
D)  meshes.
E)  webs.F) A) and D)
G) A) and B)

Question 20

The cytoplasm within a cell body of a neuron is called the

Accepted Answer

A)  soma.
B)  perikaryon.
C)  neurokaryon.
D)  chromatophilic substance.
E)  chromatophobic substance.F) A) and E)
G) A) and B)

Exam 14: Nervous Tissue

The type of neuronal circuit in which several nerve impulses come together at a single postsynaptic neuron is a _____________ circuit.

Correct Answer
verified

A nerve impulse travels fastest along __ axons of diameter.

Correct Answer
verified

A primary tumor is one that originates in a primary embryonic germ layer such as mesoderm,endoderm,or ectoderm.

Correct Answer
verified

Billions of CNS interneurons are grouped in complex patterns called neuronal

Correct Answer
verified

A tumor can occur in any tissue within the CNS.

Correct Answer
verified

-What type of synapse does number 2 indicate?

Correct Answer
verified

Based on structure,the most common type of neuron is the _____ neuron.

Correct Answer
verified

Correct Answer
verified

Which is not a function of the motor division of the nervous system?

Correct Answer
verified

Cranial nerves are part of the CNS.

Correct Answer
verified

Which is true regarding the action of a neurolemmocyte?

Correct Answer
verified

The type of neuronal circuit that uses feedback to produce a repeated,cyclical stimulation of the circuit is a _____________ circuit.

Correct Answer
verified

The voluntary movement of skeletal muscle is controlled by the somatic nervous system.

Correct Answer
verified

-What type of synapse does number 3 indicate?

Correct Answer
verified

Which glial cell helps to form the blood-brain barrier?

Correct Answer
verified

The afferent division of the nervous system is also known as the _____ division.

Correct Answer
verified

Which statement is correct concerning the terms afferent and efferent with respect to the nervous system?

Correct Answer
verified

The cytoplasm within a cell body of a neuron is called the

Correct Answer
verified

A condition in which the brain is substantially missing is

Correct Answer
verified

The portion of the nervous system that conducts impulses from the skin,joints,skeletal muscles,and special senses is the ___ _ division.

Correct Answer
verified

Exam 14: Nervous Tissue

The type of neuronal circuit in which several nerve impulses come together at a single postsynaptic neuron is a _____________ circuit.

Correct AnswerverifiedShow Answer

A nerve impulse travels fastest along ________ axons of ______ diameter.

Correct AnswerverifiedShow Answer

A primary tumor is one that originates in a primary embryonic germ layer such as mesoderm,endoderm,or ectoderm.

Correct AnswerverifiedShow Answer

Billions of CNS interneurons are grouped in complex patterns called neuronal

Correct AnswerverifiedShow Answer

A tumor can occur in any tissue within the CNS.

Correct AnswerverifiedShow Answer

-What type of synapse does number 2 indicate?

Correct AnswerverifiedShow Answer

Based on structure,the most common type of neuron is the _____ neuron.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which is not a function of the motor division of the nervous system?

Correct AnswerverifiedShow Answer

Cranial nerves are part of the CNS.

Correct AnswerverifiedShow Answer

Which is true regarding the action of a neurolemmocyte?

Correct AnswerverifiedShow Answer

The type of neuronal circuit that uses feedback to produce a repeated,cyclical stimulation of the circuit is a _____________ circuit.

Correct AnswerverifiedShow Answer

The voluntary movement of skeletal muscle is controlled by the somatic nervous system.

Correct AnswerverifiedShow Answer

-What type of synapse does number 3 indicate?

Correct AnswerverifiedShow Answer

Which glial cell helps to form the blood-brain barrier?

Correct AnswerverifiedShow Answer

The afferent division of the nervous system is also known as the _____ division.

Correct AnswerverifiedShow Answer

Which statement is correct concerning the terms afferent and efferent with respect to the nervous system?

Correct AnswerverifiedShow Answer

The cytoplasm within a cell body of a neuron is called the

Correct AnswerverifiedShow Answer

A condition in which the brain is substantially missing is

Correct AnswerverifiedShow Answer

The portion of the nervous system that conducts impulses from the skin,joints,skeletal muscles,and special senses is the _________ _______ division.

Correct AnswerverifiedShow Answer

Correct Answer
verified

A nerve impulse travels fastest along __ axons of diameter.

Correct Answer
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verified

The portion of the nervous system that conducts impulses from the skin,joints,skeletal muscles,and special senses is the ___ _ division.

Correct Answer
verified