Question 1

LOC

Accepted Answer

A)  is an important assessment of a patient's condition. 
B)  refers to Lack Of Consciousness. 
C)  cannot be affected by drugs or hypoxemia. 
D)  is a stage of NREM sleep. 
A)  is an important assessment of a patient's condition. 
B)  refers to Lack Of Consciousness. 
C)  cannot be affected by drugs or hypoxemia. 
D)  is a stage of NREM sleep. A

Question 2

Which of the following is true of myelination?

Accepted Answer

A)  Occurs only at the nodes of Ranvier 
B)  Increases the speed of the action potential along the axon 
C)  Is responsible for the gray appearance of gray matter 
D)  Increases the synthesis of neurotransmitters 
A)  Occurs only at the nodes of Ranvier 
B)  Increases the speed of the action potential along the axon 
C)  Is responsible for the gray appearance of gray matter 
D)  Increases the synthesis of neurotransmitters B

Question 3

There are four major areas of the brain: the cerebrum,diencephalon,brain stem,and

Accepted Answer

A)  hypothalamus. 
B)  medulla oblongata. 
C)  limbic system. 
D)  cerebellum. 
A)  hypothalamus. 
B)  medulla oblongata. 
C)  limbic system. 
D)  cerebellum. D

Question 4

The precentral gyrus

Accepted Answer

A)  is located in the frontal lobe. 
B)  is the primary visual cortex. 
C)  contains the primary somatosensory area. 
D)  is called the vital center. 
A)  is located in the frontal lobe. 
B)  is the primary visual cortex. 
C)  contains the primary somatosensory area. 
D)  is called the vital center.

Question 5

Which of the following contains cerebrospinal fluid?

Accepted Answer

A)  Central sulcus 
B)  Precentral gyrus 
C)  Broca's area 
D)  Subarachnoid space 
A)  Central sulcus 
B)  Precentral gyrus 
C)  Broca's area 
D)  Subarachnoid space

Question 6

The choroid plexus

Accepted Answer

A)  is the site where cerebrospinal fluid is formed. 
B)  is part of the internal carotid artery. 
C)  drains cerebrospinal fluid from the subarachnoid space. 
D)  All of the above are true. 
A)  is the site where cerebrospinal fluid is formed. 
B)  is part of the internal carotid artery. 
C)  drains cerebrospinal fluid from the subarachnoid space. 
D)  All of the above are true.

Question 7

The medulla oblongata is

Accepted Answer

A)  an infratentorial structure. 
B)  located in the brain stem. 
C)  sensitive to the effects of opioids (narcotics). 
D)  all of the above. 
A)  an infratentorial structure. 
B)  located in the brain stem. 
C)  sensitive to the effects of opioids (narcotics). 
D)  all of the above.

Question 8

The depression between the convolutions of the cerebrum is called a

Accepted Answer

A)  pons. 
B)  gyrus. 
C)  sulcus. 
D)  corpus callosum. 
A)  pons. 
B)  gyrus. 
C)  sulcus. 
D)  corpus callosum.

Question 9

Opioid-induced depression of the medulla oblongata is most likely to

Accepted Answer

A)  cause skeletal muscle paralysis. 
B)  depress respiratory activity. 
C)  decrease the synthesis of cerebrospinal fluid. 
D)  induce a motor aphasia. 
A)  cause skeletal muscle paralysis. 
B)  depress respiratory activity. 
C)  decrease the synthesis of cerebrospinal fluid. 
D)  induce a motor aphasia.

Question 10

Which of the following is most descriptive of the nodes of Ranvier?

Accepted Answer

A)  Neurotransmitter-storing vesicles in the axon terminals 
B)  Exposed (unmyelinated) axonal membrane 
C)  Enlargements formed by a concentration of Schwann cells 
D)  Patches of blood vessels called the choroid plexus 
A)  Neurotransmitter-storing vesicles in the axon terminals 
B)  Exposed (unmyelinated) axonal membrane 
C)  Enlargements formed by a concentration of Schwann cells 
D)  Patches of blood vessels called the choroid plexus

Question 11

The midbrain,pons,and medulla oblongata are referred to as the

Accepted Answer

A)  diencephalons. 
B)  brain stem. 
C)  limbic system. 
D)  emotional brain. 
A)  diencephalons. 
B)  brain stem. 
C)  limbic system. 
D)  emotional brain.

Question 12

Wernicke's area

Accepted Answer

A)  is a frontal lobe structure. 
B)  is the vomiting center. 
C)  translates thought into words. 
D)  is located within Broca's area. 
A)  is a frontal lobe structure. 
B)  is the vomiting center. 
C)  translates thought into words. 
D)  is located within Broca's area.

Question 13

The hypothalamus

Accepted Answer

A)  is superior to the brain stem. 
B)  controls the pituitary gland. 
C)  is also considered a gland because it secretes releasing hormones. 
D)  All of the above are true. 
A)  is superior to the brain stem. 
B)  controls the pituitary gland. 
C)  is also considered a gland because it secretes releasing hormones. 
D)  All of the above are true.

Question 14

Which of the following is least true of the reticular formation?

Accepted Answer

A)  Extends from the brain stem into the cerebral cortex 
B)  Contains the RAS 
C)  Nuclei within the reticular formation include the gaze center 
D)  Also known as the emotional brain 
A)  Extends from the brain stem into the cerebral cortex 
B)  Contains the RAS 
C)  Nuclei within the reticular formation include the gaze center 
D)  Also known as the emotional brain

Question 15

What is the name of the motor speech area located in the frontal lobe?

Accepted Answer

A)  The brain stem 
B)  The pons 
C)  Broca's area 
D)  The diencephalon 
A)  The brain stem 
B)  The pons 
C)  Broca's area 
D)  The diencephalon

Question 16

Broca's area

Accepted Answer

A)  is concerned with motor speech. 
B)  allows a person to hear and interpret sound. 
C)  is located in the temporal lobe. 
D)  coordinates eye movements, as in scanning a page in a book. 
A)  is concerned with motor speech. 
B)  allows a person to hear and interpret sound. 
C)  is located in the temporal lobe. 
D)  coordinates eye movements, as in scanning a page in a book.

Question 17

Which of the following structures is most associated with "wake up"?

Accepted Answer

A)  Broca's area 
B)  Cerebellum 
C)  Reticular activating system 
D)  Thalamus 
A)  Broca's area 
B)  Cerebellum 
C)  Reticular activating system 
D)  Thalamus

Question 18

The precentral gyrus

Accepted Answer

A)  is the primary motor area. 
B)  is located in the parietal lobe. 
C)  is called the vital center. 
D)  contains the medulla oblongata. 
A)  is the primary motor area. 
B)  is located in the parietal lobe. 
C)  is called the vital center. 
D)  contains the medulla oblongata.

Question 19

Myelination of the axon

Accepted Answer

A)  protects the neuron from wear and tear. 
B)  waterproofs the axon from cerebrospinal fluid. 
C)  increases the speed of the nerve impulse along the axon. 
D)  keeps the axon warm so that it is sensitive to stimulation. 
A)  protects the neuron from wear and tear. 
B)  waterproofs the axon from cerebrospinal fluid. 
C)  increases the speed of the nerve impulse along the axon. 
D)  keeps the axon warm so that it is sensitive to stimulation.

Question 20

Cerebrospinal fluid (CSF)

Accepted Answer

A)  is formed by the choroid plexus. 
B)  circulates around the CNS within the subarachnoid space. 
C)  does not normally contain blood. 
D)  All of the above are true. 
A)  is formed by the choroid plexus. 
B)  circulates around the CNS within the subarachnoid space. 
C)  does not normally contain blood. 
D)  All of the above are true.

Exam 10: Nervous System: Nervous Tissue and Brain

LOC

Which of the following is true of myelination?

There are four major areas of the brain: the cerebrum,diencephalon,brain stem,and

The precentral gyrus

Which of the following contains cerebrospinal fluid?

The choroid plexus

The medulla oblongata is

The depression between the convolutions of the cerebrum is called a

Opioid-induced depression of the medulla oblongata is most likely to

Which of the following is most descriptive of the nodes of Ranvier?

The midbrain,pons,and medulla oblongata are referred to as the

Wernicke's area

The hypothalamus

Which of the following is least true of the reticular formation?

What is the name of the motor speech area located in the frontal lobe?

Broca's area

Which of the following structures is most associated with "wake up"?

The precentral gyrus

Myelination of the axon

Cerebrospinal fluid (CSF)

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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