Question 1

The phases of the action potential (nerve impulse)are

Accepted Answer

A)  excitatory and inhibitory. 
B)  sensory and motor. 
C)  depolarization and repolarization. 
D)  dendrite and axons. 
A)  excitatory and inhibitory. 
B)  sensory and motor. 
C)  depolarization and repolarization. 
D)  dendrite and axons.

Question 2

Which structure is also called the emotional brain?

Accepted Answer

A)  Cerebellum 
B)  Basal ganglia 
C)  Medulla oblongata 
D)  Limbic system 
A)  Cerebellum 
B)  Basal ganglia 
C)  Medulla oblongata 
D)  Limbic system

Question 3

With regard to an action potential,the rapid efflux of K+

Accepted Answer

A)  raises the resting membrane potential to threshold potential. 
B)  restores the internal negativity of the neuron. 
C)  causes depolarization. 
D)  All of the above are true. 
A)  raises the resting membrane potential to threshold potential. 
B)  restores the internal negativity of the neuron. 
C)  causes depolarization. 
D)  All of the above are true.

Question 4

With which of the following is the parietal lobe most associated?

Accepted Answer

A)  Precentral gyrus 
B)  Somatosensory area 
C)  Motor speech area 
D)  "Executive" functions 
A)  Precentral gyrus 
B)  Somatosensory area 
C)  Motor speech area 
D)  "Executive" functions

Question 5

Which group is incorrect?

Accepted Answer

A)  Parts of the brain: cerebrum, diencephalon, brain stem, cerebellum 
B)  Meninges: pia mater, corpus callosum, dura mater 
C)  Protective structures of the CNS: bone, meninges, cerebrospinal fluid, blood-brain barrier 
D)  Types of glia: astrocytes, ependymal cells, oligodendrocytes, microglia 
A)  Parts of the brain: cerebrum, diencephalon, brain stem, cerebellum 
B)  Meninges: pia mater, corpus callosum, dura mater 
C)  Protective structures of the CNS: bone, meninges, cerebrospinal fluid, blood-brain barrier 
D)  Types of glia: astrocytes, ependymal cells, oligodendrocytes, microglia

Question 6

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 7

A supratentorial brain tumor is

Accepted Answer

A)  always malignant. 
B)  superior to the cerebral cortex. 
C)  a brain stem tumor. 
D)  superior to the tentorium cerebelli. 
A)  always malignant. 
B)  superior to the cerebral cortex. 
C)  a brain stem tumor. 
D)  superior to the tentorium cerebelli.

Question 8

The postcentral gyrus

Accepted Answer

A)  is located in the frontal lobe. 
B)  controls voluntary motor activity. 
C)  sends all its information to the occipital lobe. 
D)  contains the somatosensory area. 
A)  is located in the frontal lobe. 
B)  controls voluntary motor activity. 
C)  sends all its information to the occipital lobe. 
D)  contains the somatosensory area.

Question 9

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 10

The corpus callosum

Accepted Answer

A)  is composed of gray matter. 
B)  is one of the meningeal layers. 
C)  connects the right and left cerebral hemispheres. 
D)  is the stalk that connects the hypothalamus with the pituitary gland. 
A)  is composed of gray matter. 
B)  is one of the meningeal layers. 
C)  connects the right and left cerebral hemispheres. 
D)  is the stalk that connects the hypothalamus with the pituitary gland.

Question 11

The primary somatosensory area and the primary motor area are separated by

Accepted Answer

A)  Broca's area. 
B)  the central sulcus. 
C)  the pia mater. 
D)  the longitudinal fissure. 
A)  Broca's area. 
B)  the central sulcus. 
C)  the pia mater. 
D)  the longitudinal fissure.

Question 12

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.

Question 13

What is the name of the enzyme that destroys acetylcholine?

Accepted Answer

A)  Dopamine 
B)  ACh 
C)  Acetylcholinesterase 
D)  Norepinephrine 
A)  Dopamine 
B)  ACh 
C)  Acetylcholinesterase 
D)  Norepinephrine

Question 14

The "maters"

Accepted Answer

A)  are membranes that are restricted to the cranial cavity. 
B)  are tough connective tissue membranes. 
C)  are motor neurons. 
D)  are meninges. 
A)  are membranes that are restricted to the cranial cavity. 
B)  are tough connective tissue membranes. 
C)  are motor neurons. 
D)  are meninges.

Question 15

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 16

The neurotransmitters such as acetylcholine (ACh)are stored within the

Accepted Answer

A)  tips of the dendrites. 
B)  cell body. 
C)  postsynaptic receptors. 
D)  axon terminals. 
A)  tips of the dendrites. 
B)  cell body. 
C)  postsynaptic receptors. 
D)  axon terminals.

Question 17

Neuroglia

Accepted Answer

A)  are confined to the peripheral nervous system. 
B)  include astrocytes, oligodendrocytes, Schwann cells, and ependymal cells. 
C)  fire action potentials when stimulated. 
D)  All of the above are true. 
A)  are confined to the peripheral nervous system. 
B)  include astrocytes, oligodendrocytes, Schwann cells, and ependymal cells. 
C)  fire action potentials when stimulated. 
D)  All of the above are true.

Question 18

In an adult an increased intracranial pressure may

Accepted Answer

A)  cause a downward displacement of the brain stem. 
B)  cause herniation of the medulla oblongata through the foramen magnum. 
C)  cause sudden respiratory arrest and death. 
D)  All of the above are true. 
A)  cause a downward displacement of the brain stem. 
B)  cause herniation of the medulla oblongata through the foramen magnum. 
C)  cause sudden respiratory arrest and death. 
D)  All of the above are true.

Question 19

A person has experienced a stroke (CVA)affecting the left hemisphere (frontal lobe).Which of the following is most probable?

Accepted Answer

A)  Paraplegia 
B)  Quadriplegia 
C)  Hemiplegia 
D)  Cortical blindness 
A)  Paraplegia 
B)  Quadriplegia 
C)  Hemiplegia 
D)  Cortical blindness

Question 20

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.

Exam 10: Nervous System: Nervous Tissue and Brain

The phases of the action potential (nerve impulse)are

Which structure is also called the emotional brain?

With regard to an action potential,the rapid efflux of K+

With which of the following is the parietal lobe most associated?

Which group is incorrect?

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

A supratentorial brain tumor is

The postcentral gyrus

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

The corpus callosum

The primary somatosensory area and the primary motor area are separated by

Schwann cells and oligodendrocytes

What is the name of the enzyme that destroys acetylcholine?

The "maters"

Frontal eye fields

The neurotransmitters such as acetylcholine (ACh)are stored within the

Neuroglia

In an adult an increased intracranial pressure may

A person has experienced a stroke (CVA)affecting the left hemisphere (frontal lobe).Which of the following is most probable?

Neurotransmitters

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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With regard to an action potential,the rapid efflux of K⁺