Question 1

The ____________ is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels.

Accepted Answer

A)  dura mater 
B)  arachnoid mater 
C)  pia mater 
D)  subdural mater 
A)  dura mater 
B)  arachnoid mater 
C)  pia mater 
D)  subdural mater C

Question 2

The ____________ division of the autonomic nervous system decreases heart rate to return the body to ordinary, restful conditions.

Accepted Answer

parasympathetic

Question 3

Aging of the brain begins

Accepted Answer

A)  before birth. 
B)  at birth. 
C)  at age 30. 
D)  after age 50. 
A)  before birth. 
B)  at birth. 
C)  at age 30. 
D)  after age 50. A

Question 4

All reflexes

Accepted Answer

A)  have association neurons. 
B)  have a reflex arc. 
C)  have interneurons. 
D)  occur in the spinal cord. 
A)  have association neurons. 
B)  have a reflex arc. 
C)  have interneurons. 
D)  occur in the spinal cord.

Question 5

The epidural space contains

Accepted Answer

A)  loose connective tissue, blood vessels, and adipose tissue. 
B)  dense connective tissue and cartilage. 
C)  no tissue, that is why it is a space. 
D)  collagen, elastin, and keratin. 
A)  loose connective tissue, blood vessels, and adipose tissue. 
B)  dense connective tissue and cartilage. 
C)  no tissue, that is why it is a space. 
D)  collagen, elastin, and keratin.

Question 6

The dura mater is the outermost layer of the meninges.

Accepted Answer

A) True 
 B)False

Question 7

Stephanie is in a car accident, flung from her vehicle and landing on her back on pavement. At the scene, an emergency medical technician checks her Babinski reflex, in which the great toe extends upward and the smaller toes fan apart. This reflex

Accepted Answer

A)  may indicate aging of the corticospinal tract. 
B)  may indicate an injury to the corticospinal tract. 
C)  is normal in adults. 
D)  is meaningless in assessing an emergency situation. 
A)  may indicate aging of the corticospinal tract. 
B)  may indicate an injury to the corticospinal tract. 
C)  is normal in adults. 
D)  is meaningless in assessing an emergency situation.

Question 8

If the area of the cerebral hemisphere corresponding to Broca's area is damaged,

Accepted Answer

A)  memory is lost. 
B)  motor control to the right leg is impaired. 
C)  eyesight is lost. 
D)  motor control of the muscles associated with speech is lost. 
A)  memory is lost. 
B)  motor control to the right leg is impaired. 
C)  eyesight is lost. 
D)  motor control of the muscles associated with speech is lost.

Question 9

If the reticular formation is injured, the person might exhibit signs of

Accepted Answer

A)  hyperactivity. 
B)  increased metabolism. 
C)  increased sympathetic system responses. 
D)  unconsciousness, or coma. 
A)  hyperactivity. 
B)  increased metabolism. 
C)  increased sympathetic system responses. 
D)  unconsciousness, or coma.

Question 10

The interconnected, fluid-filled cavities of the brain are called _____________ .

Accepted Answer

The answer of The interconnected, fluid-filled cavities of the brain...

Question 11

When the flexor muscles of one arm contract in a withdrawal reflex, the extensor muscles of the other arm contract. This phenomenon is called

Accepted Answer

A)  flexor extensor reflex. 
B)  ipsilateral reflex. 
C)  crossed extensor reflex. 
D)  crossed flexor reflex. 
A)  flexor extensor reflex. 
B)  ipsilateral reflex. 
C)  crossed extensor reflex. 
D)  crossed flexor reflex.

Question 12

A soldier suffers a brain injury, and becomes unable to speak. The damage is likely in

Accepted Answer

A)  Broca's area. 
B)  the hippocampus. 
C)  the brainstem. 
D)  the basal nuclei 
A)  Broca's area. 
B)  the hippocampus. 
C)  the brainstem. 
D)  the basal nuclei

Question 13

A newborn has a CT scan of the brain to identify a cause of seizures. The scan showed no convolutions (gyri) of the cerebral cortex. She has

Accepted Answer

A)  lissencephaly. 
B)  anencephaly. 
C)  spina bifida. 
D)  leakage of cerebrospinal fluid. 
A)  lissencephaly. 
B)  anencephaly. 
C)  spina bifida. 
D)  leakage of cerebrospinal fluid.

Question 14

The complex network of tiny islands of gray matter in the brain, that upon receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the

Accepted Answer

A)  dentate nucleus. 
B)  reticular formation. 
C)  limbic system. 
D)  corpora quadrigemina. 
A)  dentate nucleus. 
B)  reticular formation. 
C)  limbic system. 
D)  corpora quadrigemina.

Question 15

Gray matter of the spinal cord is mostly composed of

Accepted Answer

A)  interneurons. 
B)  cerebrospinal fluid. 
C)  axons. 
D)  myelin. 
A)  interneurons. 
B)  cerebrospinal fluid. 
C)  axons. 
D)  myelin.

Question 16

The part of the brain that assigns value to a memory is the

Accepted Answer

A)  cerebral cortex. 
B)  amygdala. 
C)  medulla oblongata. 
D)  pons. 
A)  cerebral cortex. 
B)  amygdala. 
C)  medulla oblongata. 
D)  pons.

Question 17

Cerebrospinal fluid is

Accepted Answer

A)  clear and liquid. 
B)  white and thick. 
C)  red. 
D)  yellow in the CNS and clear in the PNS. 
A)  clear and liquid. 
B)  white and thick. 
C)  red. 
D)  yellow in the CNS and clear in the PNS.

Question 18

Brain waves are recordings of activity in the

Accepted Answer

A)  medulla oblongata. 
B)  cerebellum. 
C)  cerebral cortex. 
D)  brainstem. 
A)  medulla oblongata. 
B)  cerebellum. 
C)  cerebral cortex. 
D)  brainstem.

Question 19

Which of the following terms and definitions is correct?

Accepted Answer

A)  Cerebral cortex-a thin layer of gray matter forming the outermost part of the cerebrum 
B)  Hemisphere dominance-the largest cerebral hemisphere with the thickest cerebral cortex 
C)  Limbic system-interconnected brain structures that activate skeletal muscle 
D)  Cerebral cortex-a thick layer of white matter forming the innermost part of the cerebrum 
A)  Cerebral cortex-a thin layer of gray matter forming the outermost part of the cerebrum 
B)  Hemisphere dominance-the largest cerebral hemisphere with the thickest cerebral cortex 
C)  Limbic system-interconnected brain structures that activate skeletal muscle 
D)  Cerebral cortex-a thick layer of white matter forming the innermost part of the cerebrum

Question 20

The simplest level of CNS function is the

Accepted Answer

A)  ability to talk. 
B)  ability to work. 
C)  spinal reflex. 
D)  cerebral reflex. 
A)  ability to talk. 
B)  ability to work. 
C)  spinal reflex. 
D)  cerebral reflex.

Exam 11: Nervous System II: Division of the Nervous System

The ____________ is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels.

The ____________ division of the autonomic nervous system decreases heart rate to return the body to ordinary, restful conditions.

Aging of the brain begins

All reflexes

The epidural space contains

The dura mater is the outermost layer of the meninges.

Stephanie is in a car accident, flung from her vehicle and landing on her back on pavement. At the scene, an emergency medical technician checks her Babinski reflex, in which the great toe extends upward and the smaller toes fan apart. This reflex

If the area of the cerebral hemisphere corresponding to Broca's area is damaged,

If the reticular formation is injured, the person might exhibit signs of

The interconnected, fluid-filled cavities of the brain are called _____________ .

When the flexor muscles of one arm contract in a withdrawal reflex, the extensor muscles of the other arm contract. This phenomenon is called

A soldier suffers a brain injury, and becomes unable to speak. The damage is likely in

A newborn has a CT scan of the brain to identify a cause of seizures. The scan showed no convolutions (gyri) of the cerebral cortex. She has

The complex network of tiny islands of gray matter in the brain, that upon receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the

Gray matter of the spinal cord is mostly composed of

The part of the brain that assigns value to a memory is the

Cerebrospinal fluid is

Brain waves are recordings of activity in the

Which of the following terms and definitions is correct?

The simplest level of CNS function is the

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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