Question 1

Transmission of nerve impulses along myelinated axons requires more energy than transmission along unmyelinated axons.

Accepted Answer

A) True 
 B)False

Question 2

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) None of the above
G) A) and B)

Question 3

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) B) and E)
G) All of the above

Question 4

A secondary tumor is one that originates in one site but subsequently spreads to another site.

Accepted Answer

A) True 
 B)False

Question 5

This figure depicts a typical nerve.What is indicated by number 2?

Accepted Answer

A)  Myelin sheath
B)  Dendrites
C)  Fascicle
D)  Epineurium
E)  PerineuriumF) None of the above
G) B) and E)

Question 6

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) C) and D)
G) None of the above

Question 7

The endoneurium is composed of

Accepted Answer

A)  dense regular connective tissue.
B)  simple squamous epithelium.
C)  dense irregular connective tissue.
D)  areolar connective tissue.
E)  pseudostratified nonkeratinized epithelium.F) D) and E)
G) A) and D)

Question 8

Which is the most common structural type of synapse?

Accepted Answer

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

Question 9

The type of neuronal circuit that ensures that we continue to breathe while asleep 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) B) and E)

Question 10

Which is not one of the three common structural types of synapses?

Accepted Answer

A)  Axonucleic
B)  Axoaxonic
C)  Axosomatic
D)  AxodendriticE) A) and B)
F) A) and C)

Question 11

Which glial cell defends the body against pathogens?

Accepted Answer

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

Question 12

-What type of synapse does number 2 indicate?

Accepted Answer

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

Question 13

You walk into a restaurant and amidst the sights,sounds,and smells of food preparation,you notice that you have begun to salivate.This is evidence that a particular neuronal circuit has been activated.Which one?

Accepted Answer

A)  Converging
B)  Diverging
C)  Reverberating
D)   Parallel-after-discharge
E)  None of the choices is correct.F) All of the above
G) A) and D)

Question 14

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) C) and D)

Question 15

What structure does number 5 indicate?

Accepted Answer

A)  Neurofibril node
B)  Myelin sheath
C)  Nucleus
D)  Perivascular foot
E)  Ependymal cellF) A) and E)
G) B) and D)

Question 16

Which glial cell has perivascular feet that wrap around capillaries in the CNS?

Accepted Answer

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

Question 17

This condition involves progressive demyelination of neurons in the CNS accompanied by the destruction of oligodendrocytes.As a result,the conduction of nerve impulses is disrupted,leading to impaired sensory perception and motor coordination.

Accepted Answer

A)  Guillain-Barré syndrome
B)  Parkinson disease
C)  Multiple sclerosis
D)  Amyotrophic lateral sclerosis
E)  None of the choices is correct.F) A) and C)
G) A) and E)

Question 18

What cell type does number 2 indicate?

Accepted Answer

A)  Satellite cell
B)  Neuron
C)  Microglial cell
D)  Astrocyte
E)  Ependymal cellF) B) and C)
G) A) and C)

Question 19

-What type of synapse does number 1 indicate?

Accepted Answer

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

Question 20

Billions of CNS interneurons are grouped in complex patterns called neuronal

Accepted Answer

A)  networks.
B)  complexes.
C)  pools.
D)  meshes.
E)  webs.F) None of the above
G) A) and E)

Exam 14: Nervous Tissue

You walk into a restaurant and amidst the sights,sounds,and smells of food preparation,you notice that you have begun to salivate.This is evidence that a particular neuronal circuit has been activated.Which one?

Correct Answer
verified

Transmission of nerve impulses along myelinated axons requires more energy than transmission along unmyelinated axons.

Correct Answer
verified

What cell type does number 2 indicate?

Correct Answer
verified

Which is not one of the three common structural types of synapses?

Correct Answer
verified

Billions of CNS interneurons are grouped in complex patterns called neuronal

Correct Answer
verified

Which glial cell has perivascular feet that wrap around capillaries in the CNS?

Correct Answer
verified

This condition involves progressive demyelination of neurons in the CNS accompanied by the destruction of oligodendrocytes.As a result,the conduction of nerve impulses is disrupted,leading to impaired sensory perception and motor coordination.

Correct Answer
verified

Which glial cell defends the body against pathogens?

Correct Answer
verified

-What type of synapse does number 2 indicate?

Correct Answer
verified

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

Correct Answer
verified

This figure depicts a typical nerve.What is indicated by number 2?

Correct Answer
verified

What structure does number 5 indicate?

Correct Answer
verified

A condition in which the brain is substantially missing is

Correct Answer
verified

The endoneurium is composed of

Correct Answer
verified

The type of neuronal circuit that ensures that we continue to breathe while asleep is a _____________ circuit.

Correct Answer
verified

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

Correct Answer
verified

A secondary tumor is one that originates in one site but subsequently spreads to another site.

Correct Answer
verified

-What type of synapse does number 1 indicate?

Correct Answer
verified

Correct Answer
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Which is the most common structural type of synapse?

Correct Answer
verified

Exam 14: Nervous Tissue

You walk into a restaurant and amidst the sights,sounds,and smells of food preparation,you notice that you have begun to salivate.This is evidence that a particular neuronal circuit has been activated.Which one?

Correct AnswerverifiedShow Answer

Transmission of nerve impulses along myelinated axons requires more energy than transmission along unmyelinated axons.

Correct AnswerverifiedShow Answer

What cell type does number 2 indicate?

Correct AnswerverifiedShow Answer

Which is not one of the three common structural types of synapses?

Correct AnswerverifiedShow Answer

Billions of CNS interneurons are grouped in complex patterns called neuronal

Correct AnswerverifiedShow Answer

Which glial cell has perivascular feet that wrap around capillaries in the CNS?

Correct AnswerverifiedShow Answer

This condition involves progressive demyelination of neurons in the CNS accompanied by the destruction of oligodendrocytes.As a result,the conduction of nerve impulses is disrupted,leading to impaired sensory perception and motor coordination.

Correct AnswerverifiedShow Answer

Which glial cell defends the body against pathogens?

Correct AnswerverifiedShow Answer

-What type of synapse does number 2 indicate?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This figure depicts a typical nerve.What is indicated by number 2?

Correct AnswerverifiedShow Answer

What structure does number 5 indicate?

Correct AnswerverifiedShow Answer

A condition in which the brain is substantially missing is

Correct AnswerverifiedShow Answer

The endoneurium is composed of

Correct AnswerverifiedShow Answer

The type of neuronal circuit that ensures that we continue to breathe while asleep is a _____________ circuit.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A secondary tumor is one that originates in one site but subsequently spreads to another site.

Correct AnswerverifiedShow Answer

-What type of synapse does number 1 indicate?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which is the most common structural type of synapse?

Correct AnswerverifiedShow Answer

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