Question 1

Which of the following terms indicates a nerve impulse has been initiated and is being transmitted?

Accepted Answer

A)  graded potential 
B)  action potential 
C)  repolarization 
D)  local depolarization 
E)  depolarization 
A)  graded potential 
B)  action potential 
C)  repolarization 
D)  local depolarization 
E)  depolarization

Question 2

How are neurons with several processes branching off the cell body, such as motor neurons and interneurons (association neurons), structurally classified?

Accepted Answer

A)  efferent 
B)  multipolar 
C)  afferent 
D)  bipolar 
E)  unipolar 
A)  efferent 
B)  multipolar 
C)  afferent 
D)  bipolar 
E)  unipolar

Question 3

Compare and contrast the functions of the somatic nervous system and the autonomic nervous system.

Accepted Answer

Both the somatic and autonomic nervous s

Question 4

Match the following:
-Thalamus, hypothalamus, and epithalamus

Accepted Answer

A) cerebellum 
B) cerebrum 
C) diencephalon 
D) brain stem 
A) cerebellum 
B) cerebrum 
C) diencephalon 
D) brain stem

Question 5

List and describe the protective structures found in the CNS.

Accepted Answer

1. The brain and spinal cord are protect

Question 6

Which one of the following is the correct sequence of events that correlates to the sequence of events of a nerve impulse?
1) the membrane becomes depolarized
2) sodium channels open and sodium ions diffuse inward
3) the membrane becomes repolarized
4) potassium channels open and potassium ions diffuse outward

Accepted Answer

A)  3, 2, 4, 1 
B)  2, 1, 4, 3 
C)  2, 1, 3, 4 
D)  1, 2, 4, 3 
E)  4, 1, 3, 2 
A)  3, 2, 4, 1 
B)  2, 1, 4, 3 
C)  2, 1, 3, 4 
D)  1, 2, 4, 3 
E)  4, 1, 3, 2

Question 7

Complex networks of spinal nerves are termed nerve plexuses.

Accepted Answer

A) True 
 B)False

Question 8

What is the primary role of the interneuron (association neuron)?

Accepted Answer

A)  carry information from the central nervous system to muscles and/or the viscera 
B)  form a lipid-protein (lipoprotein) cell membrane on the outside of axons 
C)  transmit nerve impulses from the skin and organs to the central nervous system 
D)  connect motor and sensory neurons in their pathways 
E)  detect the amount of stretch in skeletal muscles or tendons and their joints 
A)  carry information from the central nervous system to muscles and/or the viscera 
B)  form a lipid-protein (lipoprotein) cell membrane on the outside of axons 
C)  transmit nerve impulses from the skin and organs to the central nervous system 
D)  connect motor and sensory neurons in their pathways 
E)  detect the amount of stretch in skeletal muscles or tendons and their joints

Question 9

Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic neuron and a postganglionic neuron?

Accepted Answer

A)  somatic 
B)  central 
C)  autonomic 
D)  skeletal 
E)  sensory 
A)  somatic 
B)  central 
C)  autonomic 
D)  skeletal 
E)  sensory

Question 10

Match the following:
-Increases the release of epinephrine from the adrenal medulla

Accepted Answer

A) Parasympathetic nervous system 
B) Sympathetic nervous system 
A) Parasympathetic nervous system 
B) Sympathetic nervous system

Question 11

The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain.

Accepted Answer

A)  gap 
B)  intercalated 
C)  desmosome 
D)  tight 
A)  gap 
B)  intercalated 
C)  desmosome 
D)  tight

Question 12

What reflexes stimulate skeletal muscles?

Accepted Answer

A)  somatic 
B)  pupillary 
C)  autonomic 
D)  salivary 
A)  somatic 
B)  pupillary 
C)  autonomic 
D)  salivary

Question 13

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid?

Accepted Answer

A)  sodium ions 
B)  chloride ions 
C)  calcium ions 
D)  potassium ions 
E)  magnesium ions 
A)  sodium ions 
B)  chloride ions 
C)  calcium ions 
D)  potassium ions 
E)  magnesium ions

Question 14

Myelinated fibers (tracts) form ________ matter while unmyelinated fibers form ________ matter.

Accepted Answer

A)  sensory; motor 
B)  gray; white 
C)  motor; sensory 
D)  white; gray 
A)  sensory; motor 
B)  gray; white 
C)  motor; sensory 
D)  white; gray

Question 15

Match the following:
-Relay station for sensory impulses passing to the sensory cortex

Accepted Answer

A) hypothalamus 
B) pituitary gland 
C) epithalamus 
D) medulla oblongata 
E) thalamus
F)midbrain 
A) hypothalamus 
B) pituitary gland 
C) epithalamus 
D) medulla oblongata 
E) thalamus
F)midbrain

Question 16

The parasympathetic and sympathetic nervous systems are subdivisions of the autonomic nervous system.

Accepted Answer

A) True 
 B)False

Question 17

Explain how the central nervous system and peripheral nervous system differ structurally.

Accepted Answer

Structurally, the central and peripheral

Question 18

Damage to the cervical nerve plexus can cause problems with ________.

Accepted Answer

A)  footdrop 
B)  clawhand 
C)  breathing 
D)  wristdrop 
A)  footdrop 
B)  clawhand 
C)  breathing 
D)  wristdrop

Question 19

The hypothalamus is the "emotional-visceral" center of the brain and, thus, is an important part of the ________.

Accepted Answer

A)  posterior association area 
B)  reticular activating system 
C)  limbic system 
D)  Broca's area 
E)  anterior association area 
A)  posterior association area 
B)  reticular activating system 
C)  limbic system 
D)  Broca's area 
E)  anterior association area

Question 20

The sciatic nerve splits to form which two nerves?

Accepted Answer

A)  pudendal and femoral nerves 
B)  femoral and tibial nerves 
C)  pudendal and common peroneal nerves 
D)  common fibular and tibial nerves 
E)  pudendal and tibial nerves 
A)  pudendal and femoral nerves 
B)  femoral and tibial nerves 
C)  pudendal and common peroneal nerves 
D)  common fibular and tibial nerves 
E)  pudendal and tibial nerves

Which of the following terms indicates a nerve impulse has been initiated and is being transmitted?

How are neurons with several processes branching off the cell body, such as motor neurons and interneurons (association neurons), structurally classified?

Compare and contrast the functions of the somatic nervous system and the autonomic nervous system.

Match the following: -Thalamus, hypothalamus, and epithalamus

List and describe the protective structures found in the CNS.

Complex networks of spinal nerves are termed nerve plexuses.

What is the primary role of the interneuron (association neuron)?

Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic neuron and a postganglionic neuron?

Match the following: -Increases the release of epinephrine from the adrenal medulla

The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain.

What reflexes stimulate skeletal muscles?

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid?

Myelinated fibers (tracts) form matter while unmyelinated fibers form matter.

Match the following: -Relay station for sensory impulses passing to the sensory cortex

The parasympathetic and sympathetic nervous systems are subdivisions of the autonomic nervous system.

Explain how the central nervous system and peripheral nervous system differ structurally.

Damage to the cervical nerve plexus can cause problems with ________.

The hypothalamus is the "emotional-visceral" center of the brain and, thus, is an important part of the ________.

The sciatic nerve splits to form which two nerves?

The Human Body: An Orientation

Basic Chemistry

Cells and Tissues

Skin and Body Membranes

The Skeletal System

The Muscular System

Special Senses

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters

Exam 7: The Nervous System

Which of the following terms indicates a nerve impulse has been initiated and is being transmitted?

How are neurons with several processes branching off the cell body, such as motor neurons and interneurons (association neurons), structurally classified?

Compare and contrast the functions of the somatic nervous system and the autonomic nervous system.

Match the following: -Thalamus, hypothalamus, and epithalamus

List and describe the protective structures found in the CNS.

Complex networks of spinal nerves are termed nerve plexuses.

What is the primary role of the interneuron (association neuron)?

Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic neuron and a postganglionic neuron?

Match the following: -Increases the release of epinephrine from the adrenal medulla

The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain.

What reflexes stimulate skeletal muscles?

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid?

Myelinated fibers (tracts) form ________ matter while unmyelinated fibers form ________ matter.

Match the following: -Relay station for sensory impulses passing to the sensory cortex

The parasympathetic and sympathetic nervous systems are subdivisions of the autonomic nervous system.

Explain how the central nervous system and peripheral nervous system differ structurally.

Damage to the cervical nerve plexus can cause problems with ________.

The hypothalamus is the "emotional-visceral" center of the brain and, thus, is an important part of the ________.

The sciatic nerve splits to form which two nerves?

The Human Body: An Orientation

Basic Chemistry

Cells and Tissues

Skin and Body Membranes

The Skeletal System

The Muscular System

Special Senses

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters

Myelinated fibers (tracts) form matter while unmyelinated fibers form matter.