Question 1

The stretch reflex is monosynaptic.

Accepted Answer

A) True 
 B)False

Question 2

Each of the following nerves originates in the lumbar plexus, except the__________ nerve.

Accepted Answer

A)   obturator
B)   femoral
C)   sciatic
D)   genitofemoral
E)   saphenousF) D) and E)
G) A) and B)

Question 3

All of the following are true of muscle spindles, except that they

Accepted Answer

A)   are found in tendons.
B)   are innervated by gamma motor neurons.
C)   consist of specialized fibers called intrafusal fibers.
D)   are found within skeletal muscle.
E)   are the receptor for the stretch reflex.F) A) and B)
G) C) and E)

Question 4

Figure 12- 2 Spinal Nerves
Use Figure 12- 2 to answer the following questions:
-In which structure are sensory cell bodies located?

Accepted Answer

A)   4
B)   6
C)   5
D)   10
E)   12F) A) and D)
G) B) and D)

Question 5

In meningitis,

Accepted Answer

A)   bacteria can be the cause.
B)   inflammation of the meninges occurs.
C)   viruses can be the cause.
D)   CSF flow can be disrupted.
E)   all of the aboveF) None of the above
G) A) and E)

Question 6

A viral disease that destroys the cells of the anterior gray horn will

Accepted Answer

A)   lead to muscle weakness or paralysis.
B)   mainly interfere with crude touch and temperature sense.
C)   block autonomic regulation.
D)   interfere with position sense.
E)   all of the aboveF) A) and C)
G) A) and E)

Question 7

Figure 12- 1 The Spinal Cord
Use Figure 12- 1 to answer the following questions:
-Where do somatic motor neurons reside?

Accepted Answer

A)   10
B)   12
C)   13
D)   14
E)   15F) B) and C)
G) A) and B)

Question 8

Figure 12- 2 Spinal Nerves
Use Figure 12- 2 to answer the following questions:
-Muscles of the neck and shoulder are innervated by spinal nerves from the region.

Accepted Answer

A)   coccygeal
B)   thoracic
C)   lumbar
D)   cervical
E)   sacralF) A) and E)
G) A) and D)

Question 9

After age 4 the vertebral column continues to elongate, but the spinal cord does not

Accepted Answer

A) True 
 B)False

Question 10

The subdural space lies between

Accepted Answer

A)   the dura mater and the arachnoid mater.
B)   the endosteum and the periosteum.
C)   the pia mater and the dura mater.
D)   the pia mater and the subarachnoid space.
E)   the arachnoid mater and the pia mater.F) A) and D)
G) A) and C)

Question 11

The outermost connective- tissue covering of nerves is the

Accepted Answer

A)   epimysium.
B)   epineurium.
C)   perineurium.
D)   endomysium.
E)   endoneurium.F) A) and C)
G) A) and E)

Question 12

The _______is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament.

Accepted Answer

A)   filum terminale
B)   dorsal root
C)   cauda equina
D)   conus medullaris
E)   ventral rootF) A) and C)
G) B) and E)

Question 13

The epidural space contains

Accepted Answer

A)   connective tissue and blood vessels.
B)   blood.
C)   cerebrospinal fluid.
D)   lymph.
E)   denticulate ligaments.F) B) and D)
G) A) and B)

Question 14

Reflexes that activate muscles on the opposite side of the body as the stimulus are called___________

Accepted Answer

The answer of Reflexes that activate muscles on the opposite...

Question 15

In which of the following would the delay between stimulus and response be greater?

Accepted Answer

A)   a monosynaptic reflex
B)   a polysynaptic reflexC) A) and B)
D) undefined

Question 16

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

Accepted Answer

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

Question 17

The tough, fibrous, outermost covering of the spinal cord is the

Accepted Answer

A)   periosteum.
B)   dura mater.
C)   arachnoid.
D)   epidural block.
E)   pia mater.F) A) and D)
G) A) and E)

Question 18

The specialized membranes that surround the spinal cord are termed the

Accepted Answer

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

Question 19

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

Accepted Answer

A)   Tina has a spinal injury in the lumbar region.
B)   Tina has injured one of her ascending nerve tracts.
C)   Tina has a spinal injury in the cervical region.
D)   Tina suffered no damage to her spinal cord.
E)   Tina has injured one of her descending nerve tracts.F) C) and E)
G) A) and B)

Question 20

Figure 12- 1 The Spinal Cord
Use Figure 12- 1 to answer the following questions:
-The dorsal root of a spinal nerve contains

Accepted Answer

A)   cell bodies of sensory neurons.
B)   interneurons.
C)   axons of sensory neurons.
D)   cell bodies of motor neurons.
E)   axons of motor neurons.F) A) and C)
G) A) and B)

Exam 12: The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The tough, fibrous, outermost covering of the spinal cord is the

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The _______is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament.

Correct AnswerverifiedShow Answer

The outermost connective- tissue covering of nerves is the

Correct AnswerverifiedShow Answer

Figure 12- 2 Spinal Nerves Use Figure 12- 2 to answer the following questions: -Muscles of the neck and shoulder are innervated by spinal nerves from the region.

Correct AnswerverifiedShow Answer

Figure 12- 2 Spinal Nerves Use Figure 12- 2 to answer the following questions: -In which structure are sensory cell bodies located?

Correct AnswerverifiedShow Answer

In which of the following would the delay between stimulus and response be greater?

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

Correct AnswerverifiedShow Answer

After age 4 the vertebral column continues to elongate, but the spinal cord does not

Correct AnswerverifiedShow Answer

Reflexes that activate muscles on the opposite side of the body as the stimulus are called___________

Correct AnswerverifiedShow Answer

Figure 12- 1 The Spinal Cord Use Figure 12- 1 to answer the following questions: -Where do somatic motor neurons reside?

Correct AnswerverifiedShow Answer

A viral disease that destroys the cells of the anterior gray horn will

Correct AnswerverifiedShow Answer

Figure 12- 1 The Spinal Cord Use Figure 12- 1 to answer the following questions: -The dorsal root of a spinal nerve contains

Correct AnswerverifiedShow Answer

The subdural space lies between

Correct AnswerverifiedShow Answer

Each of the following nerves originates in the lumbar plexus, except the__________ nerve.

Correct AnswerverifiedShow Answer

The stretch reflex is monosynaptic.

Correct AnswerverifiedShow Answer

In meningitis,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The epidural space contains

Correct AnswerverifiedShow Answer

All of the following are true of muscle spindles, except that they

Correct AnswerverifiedShow Answer

The specialized membranes that surround the spinal cord are termed the

Correct AnswerverifiedShow Answer

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