Question 1

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 2

Which of the following structures contains the precentral gyrus,Broca's area,and the primary motor cortex?

Accepted Answer

A) Frontal lobe 
B) Cerebellum 
C) Temporal lobe 
D) Parietal lobe 
A) Frontal lobe 
B) Cerebellum 
C) Temporal lobe 
D) Parietal lobe

Question 3

Which of the following is true of the ependymal cells?

Accepted Answer

A) Form the tentorium cerebelli 
B) Secrete dopamine 
C) Are part of the choroid plexus and secrete CSF 
D) Are myelinated and are responsible for the white appearance of the corpus callosum 
A) Form the tentorium cerebelli 
B) Secrete dopamine 
C) Are part of the choroid plexus and secrete CSF 
D) Are myelinated and are responsible for the white appearance of the corpus callosum

Question 4

The resting neuron

Accepted Answer

A) is polarized. 
B) has an internal (+) charge. 
C) has an internal negativity because of the outward leak of Na+. 
D) has an internal negativity because of the inward leak of K+. 
A) is polarized. 
B) has an internal (+) charge. 
C) has an internal negativity because of the outward leak of Na+. 
D) has an internal negativity because of the inward leak of K+.

Question 5

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 6

The frontal,temporal,occipital,and parietal lobes form the

Accepted Answer

A) brain stem. 
B) cerebrum. 
C) cerebellum. 
D) reticular formation. 
A) brain stem. 
B) cerebrum. 
C) cerebellum. 
D) reticular formation.

Question 7

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 8

The medulla oblongata descends as the

Accepted Answer

A) diencephalons. 
B) hypothalamus. 
C) cerebellum. 
D) spinal cord. 
A) diencephalons. 
B) hypothalamus. 
C) cerebellum. 
D) spinal cord.

Question 9

Which of the following is located within the subarachnoid space?

Accepted Answer

A) Blood 
B) Lymph 
C) Cerebrospinal fluid 
D) Cytoplasm 
A) Blood 
B) Lymph 
C) Cerebrospinal fluid 
D) Cytoplasm

Question 10

The pituitary gland is connected to

Accepted Answer

A) the hypothalamus. 
B) the medulla oblongata. 
C) the corpus callosum. 
D) Broca's area. 
A) the hypothalamus. 
B) the medulla oblongata. 
C) the corpus callosum. 
D) Broca's area.

Question 11

Neurotransmitters

Accepted Answer

A) are released by the presynaptic axon terminals into the synapse. 
B) are stored within the axon terminals. 
C) are responsible in part for communication at the synapses. 
D) All of the above are true. 
A) are released by the presynaptic axon terminals into the synapse. 
B) are stored within the axon terminals. 
C) are responsible in part for communication at the synapses. 
D) All of the above are true.

Question 12

What is the function of the arachnoid villi?

Accepted Answer

A) Secretion of CSF from the blood within the dural sinuses into the subarachnoid space 
B) Phagocytosis of germ-laden CSF 
C) Diffusion of CSF from the subarachnoid space into the blood within the dural sinuses 
D) Synthesis of myelin sheath 
A) Secretion of CSF from the blood within the dural sinuses into the subarachnoid space 
B) Phagocytosis of germ-laden CSF 
C) Diffusion of CSF from the subarachnoid space into the blood within the dural sinuses 
D) Synthesis of myelin sheath

Question 13

The purpose of the Na⁺/K⁺-ATPase pump in the neuronal membrane is to

Accepted Answer

A) depolarize the membrane. 
B) repolarize the membrane. 
C) establish the Na+ and K+ gradients necessary for the development of an action potential. 
D) secrete myelin. 
A) depolarize the membrane. 
B) repolarize the membrane. 
C) establish the Na+ and K+ gradients necessary for the development of an action potential. 
D) secrete myelin.

Question 14

Which structure plays a key role in personality development and emotional and behavioral expression and carries out the "executive" functions?

Accepted Answer

A) Cerebellum 
B) Frontal lobe 
C) Basal ganglia 
D) Medulla oblongata 
A) Cerebellum 
B) Frontal lobe 
C) Basal ganglia 
D) Medulla oblongata

Question 15

Which of the following structures bring information toward the cell body?

Accepted Answer

A) Dendrites 
B) Axons 
C) Nodes of Ranvier 
D) Axon terminals 
A) Dendrites 
B) Axons 
C) Nodes of Ranvier 
D) Axon terminals

Question 16

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 17

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 18

With regard to the action potential,

Accepted Answer

A) the efflux of K+ causes repolarization. 
B) movement from the resting membrane potential to threshold potential is due to the outward leak of K+. 
C) the Na+/K+ pump is responsible for repolarization. 
D) both depolarization and repolarization are due to an influx of Na+. 
A) the efflux of K+ causes repolarization. 
B) movement from the resting membrane potential to threshold potential is due to the outward leak of K+. 
C) the Na+/K+ pump is responsible for repolarization. 
D) both depolarization and repolarization are due to an influx of Na+.

Question 19

Frontal eye fields

Accepted Answer

A) perform a motor role regarding the eyes. 
B) receive sensory information from the optic nerve. 
C) allow a person to interpret visual information. 
D) determine the color of the eyes. 
A) perform a motor role regarding the eyes. 
B) receive sensory information from the optic nerve. 
C) allow a person to interpret visual information. 
D) determine the color of the eyes.

Question 20

Schwann cells and oligodendrocytes

Accepted Answer

A) are sensory neurons. 
B) synthesize myelin sheath of neurons in the brain,spinal cord,and peripheral nerves. 
C) synthesize all neurotransmitters in the CNS. 
D) generate and conduct action potentials. 
A) are sensory neurons. 
B) synthesize myelin sheath of neurons in the brain,spinal cord,and peripheral nerves. 
C) synthesize all neurotransmitters in the CNS. 
D) generate and conduct action potentials.

Exam 10: Nervous System: Nervous Tissue and Brain

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

Which of the following structures contains the precentral gyrus,Broca's area,and the primary motor cortex?

Which of the following is true of the ependymal cells?

The resting neuron

Myelination of the axon

The frontal,temporal,occipital,and parietal lobes form the

Wernicke's area

The medulla oblongata descends as the

Which of the following is located within the subarachnoid space?

The pituitary gland is connected to

Neurotransmitters

What is the function of the arachnoid villi?

The purpose of the Na⁺/K⁺-ATPase pump in the neuronal membrane is to

Which structure plays a key role in personality development and emotional and behavioral expression and carries out the "executive" functions?

Which of the following structures bring information toward the cell body?

The depression between the convolutions of the cerebrum is called a

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

With regard to the action potential,

Frontal eye fields

Schwann cells and oligodendrocytes

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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters