Question 1

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

Accepted Answer

A)  lead to skeletal muscle weakness or paralysis. 
B)  interfere with position sense. 
C)  mainly interfere with crude touch and temperature sense. 
D)  block autonomic regulation. 
E)  affect visceral motor function. 
A)  lead to skeletal muscle weakness or paralysis. 
B)  interfere with position sense. 
C)  mainly interfere with crude touch and temperature sense. 
D)  block autonomic regulation. 
E)  affect visceral motor function.

Question 2

The preganglionic fibers that connect a spinal nerve with an autonomic ganglion in the thoracic and lumbarregion of the spinal cord and carries visceral motor fibers that are myelinated form the

Accepted Answer

A)  white rami communicantes. 
B)  gray rami communicantes. 
C)  posterior ramus. 
D)  anterior ramus. 
E)  dermatomes. 
A)  white rami communicantes. 
B)  gray rami communicantes. 
C)  posterior ramus. 
D)  anterior ramus. 
E)  dermatomes.

Question 3

All of the following are true of muscle spindles except they

Accepted Answer

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

Question 4

In which plexus does the ulnar nerve arise?

Accepted Answer

A)  cranial 
B)  cervical 
C)  brachial 
D)  lumbar 
E)  sacral 
A)  cranial 
B)  cervical 
C)  brachial 
D)  lumbar 
E)  sacral

Question 5

Spinal nerves are

Accepted Answer

A)  purely sensory. 
B)  purely motor. 
C)  both sensory and motor. 
D)  interneuronal. 
E)  involuntary. 
A)  purely sensory. 
B)  purely motor. 
C)  both sensory and motor. 
D)  interneuronal. 
E)  involuntary.

Question 6

Sensory information from visceral organs is carried by the

Accepted Answer

A)  parasympathetic nerve. 
B)  sympathetic nerve. 
C)  anterior ramus. 
D)  posterior ramus. 
E)  rami communicantes. 
A)  parasympathetic nerve. 
B)  sympathetic nerve. 
C)  anterior ramus. 
D)  posterior ramus. 
E)  rami communicantes.

Question 7

Figure 13-1 The Spinal Cord
  
Use Figure 13-1 to answer the following questions:
-Ascending and descending tracts can be found in which area(s) of the spinal cord?

Accepted Answer

A)  9 
B)  8 
C)  11, 12, 13, 14 
D)  1, 2, 3 
E)  4, 5, 6 
A)  9 
B)  8 
C)  11, 12, 13, 14 
D)  1, 2, 3 
E)  4, 5, 6

Question 8

What is a reflex arc? What components must be present to qualify?

Accepted Answer

A reflex arc is the wiring pattern of ne

Question 9

Preganglionic and postganglionic fibers of the autonomic nervous system that innervate internal organs arecollectively called

Accepted Answer

A)  posterior rami. 
B)  anterior rami. 
C)  white rami. 
D)  gray rami. 
E)  sympathetic nerves. 
A)  posterior rami. 
B)  anterior rami. 
C)  white rami. 
D)  gray rami. 
E)  sympathetic nerves.

Question 10

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

Accepted Answer

A)  arachnoid mater. 
B)  pia mater. 
C)  dura mater. 
D)  coccygeal ligament. 
E)  periosteum. 
A)  arachnoid mater. 
B)  pia mater. 
C)  dura mater. 
D)  coccygeal ligament. 
E)  periosteum.

Question 11

The adult spinal cord typically ends between vertebrae

Accepted Answer

A)  T12-L1. 
B)  S4-S5. 
C)  L5-S1. 
D)  L1-L2. 
E)  S5-Co1. 
A)  T12-L1. 
B)  S4-S5. 
C)  L5-S1. 
D)  L1-L2. 
E)  S5-Co1.

Question 12

Loss of feeling in the thumb and first two fingers is most likely due to a damaged ________ nerve.

Accepted Answer

A)  radial 
B)  musculocutaneous 
C)  ulnar 
D)  median 
E)  axillary 
A)  radial 
B)  musculocutaneous 
C)  ulnar 
D)  median 
E)  axillary

Question 13

Figure 13-1 The Spinal Cord
  
Use Figure 13-1 to answer the following questions:
-What is the function of the structure labeled "11"?

Accepted Answer

A)  somatic motor control 
B)  somatic sensory receiving 
C)  visceral sensory receiving 
D)  visceral motor control 
E)  ascending pathway 
A)  somatic motor control 
B)  somatic sensory receiving 
C)  visceral sensory receiving 
D)  visceral motor control 
E)  ascending pathway

Question 14

Figure 13-2 Spinal Nerves
  
Use Figure 13-2 to answer the following questions:
-Identify the structure labeled "8."

Accepted Answer

A)  peripheral nerve 
B)  posterior ramus 
C)  spinal nerve 
D)  anterior root 
E)  posterior root 
A)  peripheral nerve 
B)  posterior ramus 
C)  spinal nerve 
D)  anterior root 
E)  posterior root

Question 15

The varicella-zoster virus causes chickenpox and shingles. The virus attacks the dorsal roots of spinal nerves and sensory ganglia of cranial nerves. What are the characteristic symptoms of shingles and where are they localized on the body?

Accepted Answer

The symptoms include red skin that is wa

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

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

The preganglionic fibers that connect a spinal nerve with an autonomic ganglion in the thoracic and lumbarregion of the spinal cord and carries visceral motor fibers that are myelinated form the

All of the following are true of muscle spindles except they

In which plexus does the ulnar nerve arise?

Spinal nerves are

Sensory information from visceral organs is carried by the

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -Ascending and descending tracts can be found in which area(s) of the spinal cord?

What is a reflex arc? What components must be present to qualify?

Preganglionic and postganglionic fibers of the autonomic nervous system that innervate internal organs arecollectively called

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

The adult spinal cord typically ends between vertebrae

Loss of feeling in the thumb and first two fingers is most likely due to a damaged ________ nerve.

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -What is the function of the structure labeled "11"?

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "8."

The varicella-zoster virus causes chickenpox and shingles. The virus attacks the dorsal roots of spinal nerves and sensory ganglia of cranial nerves. What are the characteristic symptoms of shingles and where are they localized on the body?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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