Question 1

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)  15 
A)  10 
B)  12 
C)  13 
D)  14 
E)  15

Question 2

The outermost connective- tissue covering of nerves is the

Accepted Answer

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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. 
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.

Question 5

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)  12 
A)  4 
B)  6 
C)  5 
D)  10 
E)  12

Question 6

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. 
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.

Question 7

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

Question 8

The stretch reflex is monosynaptic.

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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 11

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 above 
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 above

Question 12

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. 
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.

Question 13

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)  sacral 
A)  coccygeal 
B)  thoracic 
C)  lumbar 
D)  cervical 
E)  sacral

Question 14

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

Accepted Answer

A)  obturator 
B)  femoral 
C)  sciatic 
D)  genitofemoral 
E)  saphenous 
A)  obturator 
B)  femoral 
C)  sciatic 
D)  genitofemoral 
E)  saphenous

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 reflex 
A)  a monosynaptic reflex 
B)  a polysynaptic reflex

Question 16

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 above 
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 above

Question 17

The epidural space contains

Accepted Answer

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

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

Question 19

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. 
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.

Question 20

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

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

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

The outermost connective- tissue covering of nerves is the

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

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

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

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

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

The stretch reflex is monosynaptic.

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

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

In meningitis,

The subdural space lies between

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.

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

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

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

The epidural space contains

The specialized membranes that surround the spinal cord are termed the

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

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

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Brain and Cranial Nerves

Neural Integration

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

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