Question 1

What are the basic divisions of the peripheral nervous system?

Accepted Answer

Sensory and motor divisions.Sensory has two divisions: the somatic and visceral.Motor has two divisions: the somatic and autonomic.The autonomic has two divisions: the sympathetic and parasympathetic.

Question 2

Figure 11.1
Using Figure 11.1, match the following:
-Which neuron is common only in dorsal root ganglia of the spinal cord and sensory ganglia of cranial nerves?

Accepted Answer

A) C 
B) B 
C) A 
A) C 
B) B 
C) A A

Question 3

The term central nervous system refers to the ________.

Accepted Answer

A)  brain and spinal cord 
B)  sensory (afferent) nerves 
C)  the somatic nerves 
D)  the spinal nerves 
A)  brain and spinal cord 
B)  sensory (afferent) nerves 
C)  the somatic nerves 
D)  the spinal nerves A

Question 4

Loss of function in the enzyme acetylcholine esterase would result in which of the following?

Accepted Answer

A)  inability to destroy and remove acetylcholine from the synaptic cleft 
B)  stimulation of the production of acetylcholine 
C)  amplify or enhance the effect of ACh 
D)  inability to release acetylcholine 
A)  inability to destroy and remove acetylcholine from the synaptic cleft 
B)  stimulation of the production of acetylcholine 
C)  amplify or enhance the effect of ACh 
D)  inability to release acetylcholine

Question 5

Reflexes are rapid,automatic responses to stimuli that will produce the same effect every time.

Accepted Answer

A) True 
 B)False

Question 6

Select the correct statement regarding chemical synapses.

Accepted Answer

A)  The synaptic cleft uses the action potential to transmit a chemical signal to the post synaptic cell. 
B)  The release of neurotransmitter molecules gives cells the property of being electrically coupled. 
C)  Cells with gap junctions use chemical synapses. 
D)  Neurotransmitter receptors are located on the axons terminals of cells. 
A)  The synaptic cleft uses the action potential to transmit a chemical signal to the post synaptic cell. 
B)  The release of neurotransmitter molecules gives cells the property of being electrically coupled. 
C)  Cells with gap junctions use chemical synapses. 
D)  Neurotransmitter receptors are located on the axons terminals of cells.

Question 7

Which of the following is not characteristic of neurons?

Accepted Answer

A)  They have an exceptionally high metabolic rate. 
B)  They conduct impulses. 
C)  They have extreme longevity. 
D)  They are mitotic. 
A)  They have an exceptionally high metabolic rate. 
B)  They conduct impulses. 
C)  They have extreme longevity. 
D)  They are mitotic.

Question 8

A second nerve impulse cannot be generated until ________.

Accepted Answer

A)  all sodium gates are closed 
B)  the membrane potential has been reestablished 
C)  the Na ions have been pumped back into the cell 
D)  proteins have been resynthesized 
A)  all sodium gates are closed 
B)  the membrane potential has been reestablished 
C)  the Na ions have been pumped back into the cell 
D)  proteins have been resynthesized

Question 9

Enkephalins and endorphins are peptides that act like morphine.

Accepted Answer

A) True 
 B)False

Question 10

Schwann cells are functionally similar to ________.

Accepted Answer

A)  astrocytes 
B)  microglia 
C)  ependymal cells 
D)  oligodendrocytes 
A)  astrocytes 
B)  microglia 
C)  ependymal cells 
D)  oligodendrocytes

Question 11

Axon diameter and degree of myelination determine nerve impulse conduction velocity.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following will occur when an excitatory postsynaptic potential (EPSP)is being generated on the dendritic membrane?

Accepted Answer

A)  Sodium gates will open first, then close as potassium gates open. 
B)  A single type of channel will open, permitting simultaneous flow of sodium and potassium. 
C)  Specific sodium gates will open. 
D)  Specific potassium gates will open. 
A)  Sodium gates will open first, then close as potassium gates open. 
B)  A single type of channel will open, permitting simultaneous flow of sodium and potassium. 
C)  Specific sodium gates will open. 
D)  Specific potassium gates will open.

Question 13

The synapse more common in embryonic nervous tissue than in adults is the ________.

Accepted Answer

The answer of The synapse more common in embryonic nervous...

Question 14

Figure 11.2
Using Figure 11.2, match the following:
-Calcium ions.

Accepted Answer

A) C 
B) E 
C) B 
D) D 
E) A 
A) C 
B) E 
C) B 
D) D 
E) A

Question 15

That part of the nervous system that conducts impulses from the CNS to the skeletal muscles is the ________ nervous system.

Accepted Answer

The answer of That part of the nervous system that...

Question 16

Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system.

Accepted Answer

A) True 
 B)False

Question 17

Nerve impulses leading to the brain carry information about cool temperatures on the skin.The nerve fibers sending these signals will most likely belong to which division of the nervous system?

Accepted Answer

A)  sensory (afferent) division 
B)  somatic nervous system 
C)  sympathetic division 
D)  parasympathetic division 
A)  sensory (afferent) division 
B)  somatic nervous system 
C)  sympathetic division 
D)  parasympathetic division

Question 18

The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place.

Accepted Answer

A) True 
 B)False

Question 19

Figure 11.1
Using Figure 11.1, match the following:
-Which neuron is never myelinated?

Accepted Answer

A) C 
B) B 
C) A 
A) C 
B) B 
C) A

Question 20

Match the following:
-May be involved in complex,exacting types of mental processing.

Accepted Answer

A) Parallel after-discharge circuit 
B) Reverberating circuit 
C) Diverging circuit 
D) Converging circuit 
A) Parallel after-discharge circuit 
B) Reverberating circuit 
C) Diverging circuit 
D) Converging circuit

Exam 11: Fundamentals of the Nervous System and Nervous Tissue

What are the basic divisions of the peripheral nervous system?

Figure 11.1 Using Figure 11.1, match the following: -Which neuron is common only in dorsal root ganglia of the spinal cord and sensory ganglia of cranial nerves?

The term central nervous system refers to the ________.

Loss of function in the enzyme acetylcholine esterase would result in which of the following?

Reflexes are rapid,automatic responses to stimuli that will produce the same effect every time.

Select the correct statement regarding chemical synapses.

Which of the following is not characteristic of neurons?

A second nerve impulse cannot be generated until ________.

Enkephalins and endorphins are peptides that act like morphine.

Schwann cells are functionally similar to ________.

Axon diameter and degree of myelination determine nerve impulse conduction velocity.

Which of the following will occur when an excitatory postsynaptic potential (EPSP)is being generated on the dendritic membrane?

The synapse more common in embryonic nervous tissue than in adults is the ________.

Figure 11.2 Using Figure 11.2, match the following: -Calcium ions.

That part of the nervous system that conducts impulses from the CNS to the skeletal muscles is the ________ nervous system.

Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system.

Nerve impulses leading to the brain carry information about cool temperatures on the skin.The nerve fibers sending these signals will most likely belong to which division of the nervous system?

The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place.

Figure 11.1 Using Figure 11.1, match the following: -Which neuron is never myelinated?

Match the following: -May be involved in complex,exacting types of mental processing.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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