Question 1

The functional barrier between blood and the brain is cerebrospinal fluid.

Accepted Answer

A) True 
 B)False

Question 2

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function.
-removal of this region would eliminate coordinated movements in response to sight

Accepted Answer

A) True 
 B)False

Question 3

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function.
-receives sensory information from other parts of the body and relays it to proper areas of the cerebrum

Accepted Answer

The answer of   
The figure above shows a...

Question 4

All cells that make up the nervous system have excitable membranes.

Accepted Answer

A) True 
 B)False

Question 5

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
A) sympathetic nervous system
B) parasympathetic nervous system
19) preganglionic neurons originate in the brain or sacral region of spinal cord
20) postganglionic neurons secrete acetylcholine
21) its effect is to prepare the body for emergencies
22) its effect results in a calm, relaxed state
23) preganglionic motor neurons originate in the thoracic and lumbar regions of the spinal cord
24) postganglionic neurons secrete norepinephrine

Accepted Answer

19) A 20)

Question 6

Bacterial and viral infections of the brain are rare because of the protective nature of the ________.

Accepted Answer

The answer of Bacterial and viral infections of the brain...

Question 7

Which one of the following happens during repolarization of a neuron?

Accepted Answer

A)  Sodium channels close, and potassium rushes out of the cell to temporarily reestablish the membrane potential. 
B)  Potassium channels close, preventing further loss of positive ions. 
C)  The sodium-potassium pump is turned off. 
D)  Sodium channels open to allow sodium ions to rush back out of the cell. 
E)  The membrane potential is eliminated. 
A)  Sodium channels close, and potassium rushes out of the cell to temporarily reestablish the membrane potential. 
B)  Potassium channels close, preventing further loss of positive ions. 
C)  The sodium-potassium pump is turned off. 
D)  Sodium channels open to allow sodium ions to rush back out of the cell. 
E)  The membrane potential is eliminated.

Question 8

Short-term memory is associated with the ________, whereas long-term memory is associated with the ________.

Accepted Answer

A)  limbic system, cerebral cortex 
B)  cerebral cortex, hypothalamus 
C)  cerebral cortex, limbic system 
D)  hypothalamus, cerebral cortex 
E)  limbic system, hypothalamus 
A)  limbic system, cerebral cortex 
B)  cerebral cortex, hypothalamus 
C)  cerebral cortex, limbic system 
D)  hypothalamus, cerebral cortex 
E)  limbic system, hypothalamus

Question 9

Twelve pairs of ________ nerves carry nerve impulses from the brain to glands, muscles, head, neck, and abdominal and thoracic cavities.

Accepted Answer

The answer of Twelve pairs of ________ nerves carry nerve...

Question 10

The neurotransmitter released by the postganglionic neurons of the parasympathetic nervous system is ________.

Accepted Answer

The answer of The neurotransmitter released by the postganglionic neurons...

Question 11

The region of brain that coordinates antagonistic muscle movements is the

Accepted Answer

A)  medulla oblongata 
B)  cerebellum 
C)  pons 
D)  thalamus 
E)  occipital lobe 
A)  medulla oblongata 
B)  cerebellum 
C)  pons 
D)  thalamus 
E)  occipital lobe

Question 12

During synaptic transmission, the influx of ________ causes vesicles in the axon bulb to fuse with the cell membrane, releasing ________.

Accepted Answer

A)  mitochondrion, neurons 
B)  Ca²⁺, neurotransmitter 
C)  neurotransmitters, Ca²⁺ 
D)  vesicles, neurons 
E)  neurons, mitochondrion 
A)  mitochondrion, neurons 
B)  Ca²⁺, neurotransmitter 
C)  neurotransmitters, Ca²⁺ 
D)  vesicles, neurons 
E)  neurons, mitochondrion

Question 13

Which one of the following steps occurs during the absolute refractory period?

Accepted Answer

A)  The neuron cannot generate an action potential. 
B)  Sodium channels open, releasing sodium ions into the neuron; potassium channels close. 
C)  Sodium and potassium channels open. 
D)  A nerve impulse is propagated. 
E)  Potassium channels open, releasing potassium ions from the neuron; sodium channels close. 
A)  The neuron cannot generate an action potential. 
B)  Sodium channels open, releasing sodium ions into the neuron; potassium channels close. 
C)  Sodium and potassium channels open. 
D)  A nerve impulse is propagated. 
E)  Potassium channels open, releasing potassium ions from the neuron; sodium channels close.

Question 14

Which one of the following parts of the brain effectively links the nervous system and the endocrine system?

Accepted Answer

A)  medulla oblongata 
B)  cerebral cortex 
C)  corpus callosum 
D)  hypothalamus 
E)  cerebellum 
A)  medulla oblongata 
B)  cerebral cortex 
C)  corpus callosum 
D)  hypothalamus 
E)  cerebellum

Question 15

Each of the following statements correctly describes an action potential EXCEPT which one?

Accepted Answer

A)  Once triggered, an action potential always looks exactly the same in form and voltage. 
B)  An action potential continues to propagate itself into the next region of an axon. 
C)  Action potentials are propagated by the sodium-potassium pump. 
D)  Action potentials include a depolarization phase followed by a repolarization phase. 
E)  Action potentials temporarily reverse the polarization of the axon membrane. 
A)  Once triggered, an action potential always looks exactly the same in form and voltage. 
B)  An action potential continues to propagate itself into the next region of an axon. 
C)  Action potentials are propagated by the sodium-potassium pump. 
D)  Action potentials include a depolarization phase followed by a repolarization phase. 
E)  Action potentials temporarily reverse the polarization of the axon membrane.

Question 16

Amyotrophic lateral sclerosis (ALS) is a demyelinating disease that results from nerve damage in the

Accepted Answer

A)  brain 
B)  diaphragm 
C)  intercostal muscles 
D)  spinal cord 
E)  sensory nerves 
A)  brain 
B)  diaphragm 
C)  intercostal muscles 
D)  spinal cord 
E)  sensory nerves

Question 17

The contraction of smooth and cardiac muscle is controlled by the ________ division of the peripheral nervous system.

Accepted Answer

The answer of The contraction of smooth and cardiac muscle...

Question 18

The nervous system is capable of using some neurotransmitters for more than one function. For example, some neurotransmitters may be excitatory in one pathway yet inhibitory in another. Discuss what accounts for the same neurotransmitter having different functions in alternate pathways.

Accepted Answer

The answer is the same for neurotransmit

Question 19

Control of respiratory rate, heart rate, and blood pressure is integrated through the

Accepted Answer

A)  cerebral cortex 
B)  cerebellum 
C)  thalamus 
D)  hypothalamus 
E)  medulla oblongata 
A)  cerebral cortex 
B)  cerebellum 
C)  thalamus 
D)  hypothalamus 
E)  medulla oblongata

Question 20

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function.
-controls heart rate and blood pressure, as well as sneezing and swallowing reflexes; motor nerves from one side of the forebrain cross to the opposite side of the body

Accepted Answer

The answer of   
The figure above shows a...

Exam 11: The Nervous System: Integration and Control

The functional barrier between blood and the brain is cerebrospinal fluid.

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function. -removal of this region would eliminate coordinated movements in response to sight

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function. -receives sensory information from other parts of the body and relays it to proper areas of the cerebrum

All cells that make up the nervous system have excitable membranes.

Bacterial and viral infections of the brain are rare because of the protective nature of the ________.

Which one of the following happens during repolarization of a neuron?

Short-term memory is associated with the ________, whereas long-term memory is associated with the ________.

Twelve pairs of ________ nerves carry nerve impulses from the brain to glands, muscles, head, neck, and abdominal and thoracic cavities.

The neurotransmitter released by the postganglionic neurons of the parasympathetic nervous system is ________.

The region of brain that coordinates antagonistic muscle movements is the

During synaptic transmission, the influx of ________ causes vesicles in the axon bulb to fuse with the cell membrane, releasing ________.

Which one of the following steps occurs during the absolute refractory period?

Which one of the following parts of the brain effectively links the nervous system and the endocrine system?

Each of the following statements correctly describes an action potential EXCEPT which one?

Amyotrophic lateral sclerosis (ALS) is a demyelinating disease that results from nerve damage in the

The contraction of smooth and cardiac muscle is controlled by the ________ division of the peripheral nervous system.

The nervous system is capable of using some neurotransmitters for more than one function. For example, some neurotransmitters may be excitatory in one pathway yet inhibitory in another. Discuss what accounts for the same neurotransmitter having different functions in alternate pathways.

Control of respiratory rate, heart rate, and blood pressure is integrated through the

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function. -controls heart rate and blood pressure, as well as sneezing and swallowing reflexes; motor nerves from one side of the forebrain cross to the opposite side of the body

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Immune System and Mechanisms of Defense

The Respiratory System: Exchange of Gases

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Human Impacts, Biodiversity, and Environmental Issues

Filters

Short-term memory is associated with the , whereas long-term memory is associated with the .

During synaptic transmission, the influx of causes vesicles in the axon bulb to fuse with the cell membrane, releasing .