Question 1

The main inhibitory neurotransmitter in the nervous system is

Accepted Answer

A)  serotonin.
B)  gamma-aminobutyric acid (GAB
A)  .
C)  glutamate.
D)  acetylcholine.E) A) and D)
F) C) and D)

Question 2

Darwin hypothesized that populations of organisms,rather than individuals,change by selective breeding with other organisms possessing some apparent advantage.This is known as

Accepted Answer

A)  behavioural genetics.
B)  behavioural adaptation.
C)  brain evolution.
D)  natural selection.E) All of the above
F) A) and B)

Question 3

The branch of the autonomic nervous system that restores the body to normal functioning after arousal and is responsible for day-to-day functioning of the organs and glands is called the

Accepted Answer

A)  parasympathetic nervous system.
B)  sympathetic nervous system.
C)  somatic nervous system.
D)  spinal cord.E) C) and D)
F) None of the above

Question 4

Children with conduct disorders have been found to have low levels of

Accepted Answer

A)  adrenalin.
B)  oxytocin.
C)  estrogen.
D)  cortisol.E) B) and C)
F) All of the above

Question 5

What is the threshold level needed to trigger an action potential in many neurons?

Accepted Answer

A)  -70 mV
B)  -55 mV
C)  0 mV
D)  +40 mVE) C) and D)
F) A) and B)

Question 6

The autonomic nervous system has two divisions called the __________ and the __________.

Accepted Answer

A)  central;peripheral
B)  sympathetic;parasympathetic
C)  receptors;effectors
D)  limbic;endocrineE) A) and D)
F) None of the above

Question 7

Scientists have been able to record the electrical activity of neurons using

Accepted Answer

A)  tiny electrodes.
B)  single cell stimulation.
C)  event related potentials (ERPs) .
D)  functional magnetic resonance imaging (fMRIs) .E) All of the above
F) A) and B)

Question 8

Teegan has suffered a serious brain injury and seems to have difficulty performing even basic functions.Her neurologist notes that the two hemispheres of her brain seem to have stopped communicating with each other.This deficit in communication would be caused by damage to the

Accepted Answer

A)  myelin sheath.
B)  meninges.
C)  corpus callosum.
D)  central sulcus.E) A) and B)
F) None of the above

Question 9

The branchlike structures that receive messages from other neurons are called

Accepted Answer

A)  axons.
B)  dendrites.
C)  nerve bundles.
D)  mylons.E) A) and B)
F) A) and C)

Question 10

In the past,surgeries were conducted to split a person's corpus callosum,which separates the two hemispheres completely.This was done to

Accepted Answer

A)  control epilepsy.
B)  determine the precise area of cognitive functioning.
C)  study the effects of a split brain.
D)  change a person's personality.E) A) and B)
F) A) and D)

Question 11

An individual who has multiple sclerosis experiences demyelination of the neurons in their central nervous system.If these neurons could be remyelinated,this would demonstrate the concept of

Accepted Answer

A)  long-term potentiation.
B)  neural plasticity.
C)  synaptogenesis.
D)  neurogenesis.E) A) and D)
F) A) and C)

Question 12

The gap into which the neurotransmitters are released is the

Accepted Answer

A)  receptor field.
B)  dendritic branch.
C)  axon terminal.
D)  synaptic cleft.E) None of the above
F) A) and B)

Question 13

A functional MRI

Accepted Answer

A)  measures tiny magnetic fields.
B)  shows promise as a treatment for depression.
C)  measures the change in blood oxygen level.
D)  applies magnetic fields to the brain.E) A) and C)
F) All of the above

Question 14

Which structure is like a locked door that only certain neurotransmitter keys can unlock?

Accepted Answer

A)  Synapses
B)  Receptor sites
C)  Neural chiasms
D)  Response terminalsE) B) and C)
F) A) and D)

Question 15

The blood-brain barrier,which keeps harmful molecules from entering the brain,is composed of __________ that form a fatty coating around tiny blood vessels.

Accepted Answer

A)  myelin sheath
B)  glial cells
C)  the Nodes of Ranvier
D)  neurotransmittersE) All of the above
F) B) and C)

Question 16

The operation of the endocrine system and hormonal messages is analogous to

Accepted Answer

A)  sending an e-mail.
B)  lighting an electrical fuse.
C)  sending a letter through regular post.
D)  filling a leaky bucket.E) B) and C)
F) A) and C)

Question 17

The brain and spinal cord are two components of the

Accepted Answer

A)  central nervous system.
B)  somatic nervous system.
C)  peripheral nervous system.
D)  autonomic nervous system.E) None of the above
F) A) and D)

Question 18

Which of the following are responsible for speeding up the transmission of neural impulses?

Accepted Answer

A)  Synapse and axon terminal
B)  Myelin sheath and nodes
C)  Axon and action potentials
D)  Dendrites and cell bodyE) All of the above
F) B) and D)

Question 19

Your teacher asks you to describe the sequence of parts of a neuron that the impulse travels during neural conduction.Which of the following sequences will you offer?

Accepted Answer

A)  dendrites,axon,soma,axon terminal
B)  terminal buttons,axon,soma,dendrites
C)  axon,soma,dendrites,axon terminal
D)  dendrites,soma,axon,axon terminalE) B) and C)
F) A) and B)

Question 20

According to the text,__________ work in a manner similar to how gel capsules filled with cold medicine work.

Accepted Answer

A)  synapses
B)  synaptic vesicles
C)  axon terminals
D)  neurotransmittersE) All of the above
F) B) and D)

Exam 3: D: Biological Psychology

Darwin hypothesized that populations of organisms,rather than individuals,change by selective breeding with other organisms possessing some apparent advantage.This is known as

Correct AnswerverifiedShow Answer

An individual who has multiple sclerosis experiences demyelination of the neurons in their central nervous system.If these neurons could be remyelinated,this would demonstrate the concept of

Correct AnswerverifiedShow Answer

Teegan has suffered a serious brain injury and seems to have difficulty performing even basic functions.Her neurologist notes that the two hemispheres of her brain seem to have stopped communicating with each other.This deficit in communication would be caused by damage to the

Correct AnswerverifiedShow Answer

The blood-brain barrier,which keeps harmful molecules from entering the brain,is composed of __________ that form a fatty coating around tiny blood vessels.

Correct AnswerverifiedShow Answer

The autonomic nervous system has two divisions called the __________ and the __________.

Correct AnswerverifiedShow Answer

The brain and spinal cord are two components of the

Correct AnswerverifiedShow Answer

The branchlike structures that receive messages from other neurons are called

Correct AnswerverifiedShow Answer

The main inhibitory neurotransmitter in the nervous system is

Correct AnswerverifiedShow Answer

Your teacher asks you to describe the sequence of parts of a neuron that the impulse travels during neural conduction.Which of the following sequences will you offer?

Correct AnswerverifiedShow Answer

Which of the following are responsible for speeding up the transmission of neural impulses?

Correct AnswerverifiedShow Answer

According to the text,__________ work in a manner similar to how gel capsules filled with cold medicine work.

Correct AnswerverifiedShow Answer

Children with conduct disorders have been found to have low levels of

Correct AnswerverifiedShow Answer

Scientists have been able to record the electrical activity of neurons using

Correct AnswerverifiedShow Answer

In the past,surgeries were conducted to split a person's corpus callosum,which separates the two hemispheres completely.This was done to

Correct AnswerverifiedShow Answer

Which structure is like a locked door that only certain neurotransmitter keys can unlock?

Correct AnswerverifiedShow Answer

A functional MRI

Correct AnswerverifiedShow Answer

The gap into which the neurotransmitters are released is the

Correct AnswerverifiedShow Answer

The operation of the endocrine system and hormonal messages is analogous to

Correct AnswerverifiedShow Answer

What is the threshold level needed to trigger an action potential in many neurons?

Correct AnswerverifiedShow Answer

The branch of the autonomic nervous system that restores the body to normal functioning after arousal and is responsible for day-to-day functioning of the organs and glands is called the

Correct AnswerverifiedShow Answer

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The autonomic nervous system has two divisions called the and the .

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