Question 1

The myelin sheath:

Accepted Answer

A)  is a fatty substance protecting the dendrites.
B)  helps to speed up neural messages within the cell.
C)  is found in all neurons.
D)  protects the cell's vesicles.E) A) and B)
F) A) and C)

Question 2

____________neurotransmitters make it more likely that a neuron will send its message to other neurons,whereas _____________ neurotransmitters make it less likely that a neuron will send its message.

Accepted Answer

A)  Excitatory; inhibitory
B)  Inhibitory; excitatory
C)  Augmentation; depletion
D)  Depletion; augmentationE) B) and C)
F) A) and C)

Question 3

When a neuron is in the resting potential state,where are the sodium ions?

Accepted Answer

A)  inside the cell
B)  outside the cell
C)  inside the soma
D)  in the synapseE) A) and B)
F) A) and D)

Question 4

A synapse is most important in:

Accepted Answer

A)  separating the medulla from the hindbrain.
B)  regulating the parasympathetic nervous system.
C)  the process of transmitting messages between neurons.
D)  connecting the basal ganglia.E) B) and C)
F) A) and B)

Question 5

Which of the following is a machine designed to record the brain wave patterns produced by electrical activity of the surface of the brain?

Accepted Answer

A)  deep lesioning
B)  ESB
C)  an electroencephalogram (EEG) 
D)  CT scanE) A) and D)
F) C) and D)

Question 6

The corpus callosum:

Accepted Answer

A)  is an integral area of the hindbrain.
B)  is responsible for taste and smell sensations.
C)  connects the left and right cerebral hemispheres.
D)  supports the reticular activating system.E) All of the above
F) B) and D)

Question 7

The purpose of the myelin sheath is to _________.

Accepted Answer

A)  provide a place for respiration and metabolism to occur
B)  carry messages from the spinal cord to the brain
C)  insulate the neuron so it can act more efficiently
D)  receive messages from outside the neuron and carry them to the cell nucleusE) A) and C)
F) B) and D)

Question 8

Anya is beautifully proportioned,but at 18 years of age she is still no taller than the average 10-year-old.Anya most likely had a problem in her __________ gland(s) while she was growing u

Accepted Answer

A)  pituitary
B)  adrenal
C)  thyroid
D)  pinealE) B) and D)
F) A) and B)

Question 9

The branch of life sciences that involves the structure and function of the brain and nervous system,while also focusing on the relationship between learning and behavior,is called __________.

Accepted Answer

A)  neuroscience
B)  bioscience
C)  brain scientology
D)  neurostemologyE) None of the above
F) A) and B)

Question 10

The part of the hind brain that largely controls breathing,heart rate,and blood pressure is the ______________.

Accepted Answer

A)  cerebral cortex
B)  pons
C)  medulla
D)  cerebellumE) A) and B)
F) B) and C)

Question 11

The structure in the hindbrain that controls certain reflexes and coordinates the body's movements is the __________.

Accepted Answer

A)  medulla
B)  cerebellum
C)  pons
D)  reticular formationE) A) and C)
F) C) and D)

Question 12

Positron-emission tomography (PET scan)is a brain-imaging method using radio waves and magnetic fields of the body to produce detailed images of the brain.

Accepted Answer

A) True 
 B)False

Question 13

The brain is connected to the rest of the body via the:

Accepted Answer

A)  corpus callosum.
B)  spinal cord.
C)  limbic system.
D)  cranial nerve.E) B) and C)
F) A) and C)

Question 14

Which component of the nervous system mobilizes the body in times of stress?

Accepted Answer

A)  central
B)  somatic
C)  sympathetic
D)  parasympatheticE) B) and C)
F) A) and D)

Question 15

Our brain contains nerves and __________.

Accepted Answer

A)  neurons.
B)  synapses
C)  ganglia
D)  all of the aboveE) A) and B)
F) C) and D)

Question 16

What term is used to describe a specialized cell that makes up the nervous system and receives and sends messages within that system?

Accepted Answer

A)  neuron
B)  glial cell
C)  myelin sheath
D)  dendritic spineE) All of the above
F) B) and C)

Question 17

The __________ division controls ordinary,day-to-day bodily functions.

Accepted Answer

A)  sympathetic
B)  parasympathetic
C)  central
D)  somaticE) None of the above
F) A) and C)

Question 18

Alice is typing her term paper in the computer lab.Although a class is going on just a few feet away,she does not seem to notice.Which part of the brain allows Alice to focus on her typing and ignore the distractions that surround her?

Accepted Answer

A)  reticular formation
B)  pons
C)  medulla
D)  cerebellumE) A) and C)
F) None of the above

Question 19

Which of the following neurotransmitters functions as a common inhibitory neurotransmitter in the brain?

Accepted Answer

A)  serotonin
B)  GABA
C)  acetylcholine
D)  norepinephrineE) C) and D)
F) A) and D)

Question 20

The short fibers which extend from the neurons allowing it to receive messages from other neurons are

Accepted Answer

A)  axons
B)  dendrites
C)  nerve bundles
D)  synapsesE) All of the above
F) A) and B)

Exam 2: The Biological Perspective

What term is used to describe a specialized cell that makes up the nervous system and receives and sends messages within that system?

Correct AnswerverifiedShow Answer

Alice is typing her term paper in the computer lab.Although a class is going on just a few feet away,she does not seem to notice.Which part of the brain allows Alice to focus on her typing and ignore the distractions that surround her?

Correct AnswerverifiedShow Answer

Our brain contains nerves and __________.

Correct AnswerverifiedShow Answer

____________neurotransmitters make it more likely that a neuron will send its message to other neurons,whereas _____________ neurotransmitters make it less likely that a neuron will send its message.

Correct AnswerverifiedShow Answer

The __________ division controls ordinary,day-to-day bodily functions.

Correct AnswerverifiedShow Answer

The short fibers which extend from the neurons allowing it to receive messages from other neurons are

Correct AnswerverifiedShow Answer

The brain is connected to the rest of the body via the:

Correct AnswerverifiedShow Answer

The corpus callosum:

Correct AnswerverifiedShow Answer

Which component of the nervous system mobilizes the body in times of stress?

Correct AnswerverifiedShow Answer

The purpose of the myelin sheath is to _________.

Correct AnswerverifiedShow Answer

Which of the following neurotransmitters functions as a common inhibitory neurotransmitter in the brain?

Correct AnswerverifiedShow Answer

The branch of life sciences that involves the structure and function of the brain and nervous system,while also focusing on the relationship between learning and behavior,is called __________.

Correct AnswerverifiedShow Answer

Which of the following is a machine designed to record the brain wave patterns produced by electrical activity of the surface of the brain?

Correct AnswerverifiedShow Answer

Anya is beautifully proportioned,but at 18 years of age she is still no taller than the average 10-year-old.Anya most likely had a problem in her __________ gland(s) while she was growing u

Correct AnswerverifiedShow Answer

A synapse is most important in:

Correct AnswerverifiedShow Answer

The myelin sheath:

Correct AnswerverifiedShow Answer

The part of the hind brain that largely controls breathing,heart rate,and blood pressure is the ______________.

Correct AnswerverifiedShow Answer

The structure in the hindbrain that controls certain reflexes and coordinates the body's movements is the __________.

Correct AnswerverifiedShow Answer

Positron-emission tomography (PET scan)is a brain-imaging method using radio waves and magnetic fields of the body to produce detailed images of the brain.

Correct AnswerverifiedShow Answer

When a neuron is in the resting potential state,where are the sodium ions?

Correct AnswerverifiedShow Answer

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neurotransmitters make it more likely that a neuron will send its message to other neurons,whereas _ neurotransmitters make it less likely that a neuron will send its message.

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