Question 1

The absence of this neurotransmitter would lead to a person having problems regulating body temperature and controlling their emotions.

Accepted Answer

A)   Serotonin
B)   Endorphins
C)   Aceteylcholinesterase
D)   DopamineE) B) and D)
F) B) and C)

Question 2

In humans, the central nervous system consists of the _____, which is housed in the _____ and the ______, which is housed in the _____.

Accepted Answer

A)   peripheral nervous system; limbs; brain; skull
B)   brain; skull; spinal cord; vertebral column
C)   spinal cord; vertebral column; sensory neurons; limbs
D)   brain; vertebral column; spinal cord; skullE) A) and C)
F) A) and B)

Question 3

Which of the following statements about the peripheral nervous system is NOT correct?

Accepted Answer

A)   The nerves contain the cell bodies of the neurons.
B)   The nerves contain nerve fibers which are bundles of axons.
C)   The somatic nervous system sends motor impulses to the skeletal muscles.
D)   Effectors include the muscles that carry out the instructions sent from the central nervous system.
E)   Cranial and spinal nerves are part of the peripheral nervous system.F) None of the above
G) B) and D)

Question 4

List in order the steps associated with a reflex arc of the PNS.

Accepted Answer

1. The sensory receptor will detect the ...

Question 5

What statement is NOT true about the human nervous system?

Accepted Answer

A)   The somatic nervous system controls skeletal muscles.
B)   The somatic nervous system is further divided into the sympathetic and parasympathetic divisions.
C)   The central nervous system consists of the brain and spinal cord.
D)   The somatic nervous system is part of the peripheral nervous system.
E)   The autonomic nervous system controls glands and smooth muscles of the viscera.F) D) and E)
G) B) and C)

Question 6

The connection space between the dendrite of one cell and the axon of another cell is called a(n)
A. synapse.
B. neurotransmitter.
C. axonic connection.
D. threshold.

Accepted Answer

The answer of The connection space between the dendrite of...

Question 7

Which statement is NOT true about the cells of the nervous system?

Accepted Answer

A)   A neuron can have only one axon.
B)   A neuroglial cell supports or protects a neuron.
C)   There may be multiple dendrites on a single neuron.
D)   A myelin sheath is a white insulating layer that covers many axons.
E)   A dendrite is the part of the neuron that carries an electrical impulse away from the cell body.F) None of the above
G) A) and B)

Question 8

Which of the following statements about the brain is NOT correct?

Accepted Answer

A)   The pineal gland secretes serotonin, which is involved in mood changes.
B)   The thalamus relays sensory input from lower brain areas to the cerebrum.
C)   The cerebellum functions in muscle coordination, posture, and balance.
D)   The medulla oblongata has reflex centers for vomiting, coughing, sneezing, and swallowing.
E)   The hypothalamus is concerned with homeostasis and regulation of thirst, hunger, and blood pressure.F) C) and E)
G) A) and E)

Question 9

The ascending tracts of the spinal cord are responsible sensory and motor functions of the peripheral nervous system that control the skeletal muscles.

Accepted Answer

A) True 
 B)False

Question 10

What structure in the mammalian brain is enlarged and is responsible for higher mental processes?

Accepted Answer

A)   forebrain
B)   hindbrain
C)   midbrain
D)   cerebellum
E)   cerebrumF) B) and C)
G) C) and D)

Question 11

Which of the following associations between structure and function is NOT correct?

Accepted Answer

A)   axons - conduct signals away from the cell body
B)   sensory neuron - take nerve impulses from the CNS to muscles or glands
C)   cell body - contains nucleus and organelles
D)   dendrites - receive signals and transmit them to the cell body
E)   interneuron - convey nerve impulses between various parts of the CNSF) C) and D)
G) All of the above

Question 12

Describe the three types of neurons found in the body and indicate their functions.

Accepted Answer

1. Sensory (afferent) neurons are respon...

Question 13

Identify what happens when the doctor hits your knee cap with the rubber hammer during your annual physical.

Accepted Answer

A)   The stimulus travels down the axon of your sensory neuron, through the dorsal root ganglion, is transmitted through the dendrites of the sensory neuron to the interneuron. From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the effector.
B)   The stimulus travels down the axon of your sensory neuron, through the ventral root ganglion, is transmitted through the dendrites of the sensory neuron to the interneuron. From here it enters the cell body of the motor neuron and travels down the dorsal root axon of the motor neuron to stimulate the effector.
C)   The stimulus travels down the axon of your motor neuron, through the dorsal root ganglion, is transmitted through the dendrites of the sensory neuron to the interneuron. From here it enters the cell body of the motor neuron and travels down the ventral root axon of the sensory neuron to stimulate the effector.
D)   The stimulus travels down the axon of your sensory neuron, through the dorsal root ganglion, is transmitted through the dendrites of the sensory neuron to the interneuron. From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the receptor.
E)   The stimulus travels down the dendrite of your sensory neuron, through the dorsal root ganglion, is transmitted through the axons of the sensory neuron to the interneuron. From here it enters the cell body of the motor neuron and travels down the ventral root axon of the motor neuron to stimulate the effector.F) B) and D)
G) C) and D)

Question 14

Which of the following features is NOT associated with Alzheimer's disease?

Accepted Answer

A)   A loss of reasoning and memory.
B)   Plaques accumulate along the axons of the neurons in the brain.
C)   Neurofibrillary tangles surround the nucleus of the neural cells.
D)   The most common cause of dementia in older adults.
E)   All of these are features of Alzheimer's disease.F) None of the above
G) C) and E)

Question 15

The sodium-potassium pump is primarily responsible for

Accepted Answer

A)   the resting potential.
B)   the action potential.
C)   the excretion of salts.
D)   the contraction of muscle fibers.
E)   maintaining isotonic water balance.F) A) and D)
G) All of the above

Question 16

In dissection, most nerve fibers appear gray to white because

Accepted Answer

A)   the neuron is gray to white colored.
B)   sodium ions are part of the salt compound and they flow along the surface.
C)   nerve fibers rapidly die and dead tissues soon become gray or white.
D)   nerve fibers are covered in a myelin sheath made of lipid or fat molecules.
E)   nerve fibers consume large amounts of energy in the form of sugar.F) None of the above
G) A) and B)

Question 17

What symptoms could result from a stroke to the right side of the frontal lobe?

Accepted Answer

A)   The person could suffer the loss of motor control of the left side of their body, loss of memory, reasoning and judgment.
B)   The person could suffer the loss of motor control of the right side of their body, loss of memory, reasoning and judgment.
C)   The person could suffer the loss of motor control of the left side of their body, loss of memory, and speech.
D)   The person could suffer the loss of motor control of the right side of their body, loss of memory, reasoning and speech.E) C) and D)
F) B) and C)

Question 18

Which of the following statements about the cerebrum is NOT true?

Accepted Answer

A)   It is the largest part of the human brain.
B)   The gray matter is outermost.
C)   The right hemisphere is associated with analytical reasoning and the left hemisphere is associated with artistic and musical ability.
D)   The two cerebral hemispheres are connected by the corpus callosum.
E)   The cerebrum coordinates the activities of the other parts of the brain.F) C) and E)
G) A) and E)

Question 19

An animal with a simple netlike nervous system is the

Accepted Answer

A)   earthworm.
B)   cat.
C)   hydra.
D)   octopus.
E)   planarian.F) A) and D)
G) B) and D)

Question 20

What portion of the brain provides reasoning to keep us from acting out strong feelings?

Accepted Answer

A)   brain stem
B)   pineal gland
C)   reticular activating system
D)   limbic systemE) None of the above
F) A) and B)

Exam 37: Neurons and Nervous Systems

The sodium-potassium pump is primarily responsible for

Correct AnswerverifiedShow Answer

What symptoms could result from a stroke to the right side of the frontal lobe?

Correct AnswerverifiedShow Answer

Which of the following statements about the brain is NOT correct?

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The ascending tracts of the spinal cord are responsible sensory and motor functions of the peripheral nervous system that control the skeletal muscles.

Correct AnswerverifiedShow Answer

What portion of the brain provides reasoning to keep us from acting out strong feelings?

Correct AnswerverifiedShow Answer

In humans, the central nervous system consists of the _____, which is housed in the _____ and the ______, which is housed in the _____.

Correct AnswerverifiedShow Answer

What structure in the mammalian brain is enlarged and is responsible for higher mental processes?

Correct AnswerverifiedShow Answer

The absence of this neurotransmitter would lead to a person having problems regulating body temperature and controlling their emotions.

Correct AnswerverifiedShow Answer

What statement is NOT true about the human nervous system?

Correct AnswerverifiedShow Answer

The connection space between the dendrite of one cell and the axon of another cell is called a(n) A. synapse. B. neurotransmitter. C. axonic connection. D. threshold.

Correct AnswerverifiedShow Answer

Which of the following statements about the peripheral nervous system is NOT correct?

Correct AnswerverifiedShow Answer

Describe the three types of neurons found in the body and indicate their functions.

Correct Answerverified1. Sensory (afferent) neurons are respon...View AnswerShow Answer

Which of the following statements about the cerebrum is NOT true?

Correct AnswerverifiedShow Answer

In dissection, most nerve fibers appear gray to white because

Correct AnswerverifiedShow Answer

Which of the following associations between structure and function is NOT correct?

Correct AnswerverifiedShow Answer

An animal with a simple netlike nervous system is the

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Which statement is NOT true about the cells of the nervous system?

Correct AnswerverifiedShow Answer

Which of the following features is NOT associated with Alzheimer's disease?

Correct AnswerverifiedShow Answer

List in order the steps associated with a reflex arc of the PNS.

Correct Answerverified1. The sensory receptor will detect the ...View AnswerShow Answer

Identify what happens when the doctor hits your knee cap with the rubber hammer during your annual physical.

Correct AnswerverifiedShow Answer

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In humans, the central nervous system consists of the ___, which is housed in the _ and the , which is housed in the _.

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1. Sensory (afferent) neurons are respon...
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1. The sensory receptor will detect the ...
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