Question 1

Figure 13-2 Spinal Nerves
Use Figure 13-2 to answer the following questions:
-Identify the structure labeled "6."

Accepted Answer

A)  autonomic nerve
B)  sympathetic ganglion
C)  dorsal root ganglion
D)  rami communicantes
E)  ventral rootF) C) and D)
G) B) and E)

Question 2

The specialized membranes that surround the spinal cord are termed the

Accepted Answer

A)  cranial meninges.
B)  cranial mater.
C)  spinal meninges.
D)  spinal mater.
E)  epidural membranes.F) A) and B)
G) A) and C)

Question 3

What would happen if the dorsal root of a spinal nerve were completely transected?

Accepted Answer

The dorsal roots contain axons of sensor...

Question 4

All of the following are true of neural reflexes except that they

Accepted Answer

A)  are automatic motor responses.
B)  are the simplest form of behavior.
C)  help preserve homeostasis.
D)  cannot be modified by the brain.
E)  involve at least two neurons.F) A) and B)
G) C) and D)

Question 5

The complex,interwoven network formed by contributions from the ventral rami of neighboring spinal nerves is termed a(n)

Accepted Answer

A)  dermatome.
B)  autonomic nerve.
C)  lateral nerve.
D)  tract.
E)  plexus.F) None of the above
G) A) and D)

Question 6

The reflex that prevents a muscle from exerting too much tension is the ________ reflex.

Accepted Answer

A)  stretch
B)  tendon
C)  flexor
D)  crossed extensor
E)  reciprocalF) C) and D)
G) B) and D)

Question 7

Tina falls while climbing a tree and lands on her back.Her frightened parents take her to the emergency room,where she is examined.Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex) .These results suggest that Tina has

Accepted Answer

A)  injured one of her descending nerve tracts.
B)  injured one of her ascending nerve tracts.
C)  a spinal injury in the lumbar region.
D)  a spinal injury in the cervical region.
E)  suffered no damage to her spinal cord.F) None of the above
G) A) and E)

Question 8

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

Accepted Answer

A)  cervical
B)  thoracic
C)  lumbar
D)  sacral
E)  coccygealF) A) and B)
G) C) and D)

Question 9

The specific strip of skin that is innervated by a specific spinal nerve is called a

Accepted Answer

A)  rootlet.
B)  ramus.
C)  meninx.
D)  ganglion.
E)  dermatome.F) All of the above
G) A) and B)

Question 10

Into what spinal area would one inject a chemical whose purpose is to anesthetize the patient?

Accepted Answer

A)  the subarachnoid space
B)  the central canal
C)  the subdural space
D)  the epidural space
E)  the venous dural sinusF) B) and C)
G) A) and C)

Question 11

In meningitis,

Accepted Answer

A)  inflammation of the meninges occurs.
B)  bacteria can be the cause.
C)  viruses can be the cause.
D)  CSF flow can be disrupted.
E)  All of the answers are correct.F) A) and E)
G) D) and E)

Question 12

The white ramus and the gray ramus collectively are called the

Accepted Answer

A)  spinal nerve.
B)  rami communicantes.
C)  meninges.
D)  ganglia.
E)  ascending tracts.F) A) and E)
G) A) and D)

Question 13

Figure 13-2 Spinal Nerves
Use Figure 13-2 to answer the following questions:
-Identify the structure labeled "5."

Accepted Answer

A)  autonomic nerve
B)  autonomic ganglion
C)  rami communicantes
D)  dorsal root ganglion
E)  ventral rootF) B) and D)
G) A) and B)

Question 14

The ________ nerve,which arises in the cervical plexus,innervates the diaphragm.

Accepted Answer

A)  ansa cervicalis
B)  lesser occipital
C)  radial
D)  phrenic
E)  sciaticF) B) and C)
G) A) and C)

Question 15

In ________,one neuron synapses on several postsynaptic neurons.

Accepted Answer

A)  divergence
B)  intercommunication
C)  a plexus
D)  a pool
E)  convergenceF) None of the above
G) A) and E)

Question 16

You are sitting at a Mexican restaurant waiting for your food.The waiter brings a very hot plate,telling you to be careful about touching it.You touch it anyway,producing a pain sensation in your fingers,a withdrawal of your hand,and an auditory comment of what you are thinking.This scenario represents a ________ neuronal circuit.

Accepted Answer

A)  parallel
B)  reverberation
C)  serial
D)  convergent
E)  consensualF) All of the above
G) A) and C)

Question 17

In an adult,the conus medullaris is found at about

Accepted Answer

A)  T₆.
B)  T₁₀.
C)  L₁.
D)  L₅.
E)  C₁.F) A) and C)
G) A) and B)

Question 18

The flexor reflex

Accepted Answer

A)  prevents a muscle from overstretching.
B)  prevents a muscle from generating damaging tension.
C)  moves a limb away from a painful stimulus.
D)  usually depends on cranial neurons.
E)  is an example of a monosynaptic reflex.F) C) and E)
G) A) and E)

Question 19

If a person has a crush injury to the C₃-C₅ spinal segments,you would expect that he

Accepted Answer

A)  might be unable to breathe on his own.
B)  could walk without difficulty.
C)  would have full range of motion in all extremities.
D)  would be in a coma.
E)  would have difficulty chewing and moving the tongue.F) B) and D)
G) A) and D)

Question 20

Interneurons are organized into functional groups called

Accepted Answer

A)  neuronal pools.
B)  plexi.
C)  rami.
D)  spindles.
E)  perineuria.F) A) and B)
G) A) and C)

Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

Interneurons are organized into functional groups called

Correct Answer
verified

In an adult,the conus medullaris is found at about

Correct Answer
verified

The specific strip of skin that is innervated by a specific spinal nerve is called a

Correct Answer
verified

If a person has a crush injury to the C₃-C₅ spinal segments,you would expect that he

Correct Answer
verified

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "6."

Correct Answer
verified

All of the following are true of neural reflexes except that they

Correct Answer
verified

What would happen if the dorsal root of a spinal nerve were completely transected?

Correct Answer
verified
The dorsal roots contain axons of sensor...
View Answer

Correct Answer
verified

The specialized membranes that surround the spinal cord are termed the

Correct Answer
verified

The complex,interwoven network formed by contributions from the ventral rami of neighboring spinal nerves is termed a(n)

Correct Answer
verified

The ________ nerve,which arises in the cervical plexus,innervates the diaphragm.

Correct Answer
verified

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

Correct Answer
verified

The reflex that prevents a muscle from exerting too much tension is the ________ reflex.

Correct Answer
verified

The white ramus and the gray ramus collectively are called the

Correct Answer
verified

In ________,one neuron synapses on several postsynaptic neurons.

Correct Answer
verified

Into what spinal area would one inject a chemical whose purpose is to anesthetize the patient?

Correct Answer
verified

The flexor reflex

Correct Answer
verified

In meningitis,

Correct Answer
verified

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "5."

Correct Answer
verified

Tina falls while climbing a tree and lands on her back.Her frightened parents take her to the emergency room,where she is examined.Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex) .These results suggest that Tina has

Correct Answer
verified

Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

Interneurons are organized into functional groups called

Correct AnswerverifiedShow Answer

In an adult,the conus medullaris is found at about

Correct AnswerverifiedShow Answer

The specific strip of skin that is innervated by a specific spinal nerve is called a

Correct AnswerverifiedShow Answer

If a person has a crush injury to the C₃-C₅ spinal segments,you would expect that he

Correct AnswerverifiedShow Answer

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "6."

Correct AnswerverifiedShow Answer

All of the following are true of neural reflexes except that they

Correct AnswerverifiedShow Answer

What would happen if the dorsal root of a spinal nerve were completely transected?

Correct AnswerverifiedThe dorsal roots contain axons of sensor...View AnswerShow Answer

Correct AnswerverifiedShow Answer

The specialized membranes that surround the spinal cord are termed the

Correct AnswerverifiedShow Answer

The complex,interwoven network formed by contributions from the ventral rami of neighboring spinal nerves is termed a(n)

Correct AnswerverifiedShow Answer

The ________ nerve,which arises in the cervical plexus,innervates the diaphragm.

Correct AnswerverifiedShow Answer

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

Correct AnswerverifiedShow Answer

The reflex that prevents a muscle from exerting too much tension is the ________ reflex.

Correct AnswerverifiedShow Answer

The white ramus and the gray ramus collectively are called the

Correct AnswerverifiedShow Answer

In ________,one neuron synapses on several postsynaptic neurons.

Correct AnswerverifiedShow Answer

Into what spinal area would one inject a chemical whose purpose is to anesthetize the patient?

Correct AnswerverifiedShow Answer

The flexor reflex

Correct AnswerverifiedShow Answer

In meningitis,

Correct AnswerverifiedShow Answer

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "5."

Correct AnswerverifiedShow Answer

Tina falls while climbing a tree and lands on her back.Her frightened parents take her to the emergency room,where she is examined.Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex) .These results suggest that Tina has

Correct AnswerverifiedShow Answer

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Correct Answer
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Correct Answer
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verified
The dorsal roots contain axons of sensor...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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