Question 1

Drugs that block the reuptake of a neurotransmitter from the synapse are usually

Accepted Answer

A)  agonists of that neurotransmitter. 
B)  antagonists of that neurotransmitter. 
C)  enzymes of that neurotransmitter. 
D)  receptor blockers. 
E)  ligands of that neurotransmitter. 
A)  agonists of that neurotransmitter. 
B)  antagonists of that neurotransmitter. 
C)  enzymes of that neurotransmitter. 
D)  receptor blockers. 
E)  ligands of that neurotransmitter.

Question 2

Cocaine and amphetamines in high doses can produce a temporary disorder that is similar to

Accepted Answer

A)  epilepsy. 
B)  schizophrenia. 
C)  Parkinson's disease. 
D)  paralysis. 
E)  Huntington's disease. 
A)  epilepsy. 
B)  schizophrenia. 
C)  Parkinson's disease. 
D)  paralysis. 
E)  Huntington's disease.

Question 3

Which is considered to be the most prevalent inhibitory neurotransmitter in the mammalian CNS?

Accepted Answer

A)  glycine 
B)  GABA 
C)  glutamate 
D)  serotonin 
E)  dopamine 
A)  glycine 
B)  GABA 
C)  glutamate 
D)  serotonin 
E)  dopamine

Question 4

Sodium-potassium pumps are

Accepted Answer

A)  integrators. 
B)  refractory. 
C)  transporters. 
D)  excitatory. 
E)  inhibitory. 
A)  integrators. 
B)  refractory. 
C)  transporters. 
D)  excitatory. 
E)  inhibitory.

Question 5

The presence of two neurotransmitters in the same neuron is referred to as __________.

Accepted Answer

The answer of The presence of two neurotransmitters in the...

Question 6

The drug __________ is a muscarinic antagonist and pupil dilator.

Accepted Answer

The answer of The drug __________ is a muscarinic antagonist...

Question 7

Which of the following is a nicotinic antagonist?

Accepted Answer

A)  Botox 
B)  curare 
C)  atropine 
D)  all of the above 
E)  both A and B 
A)  Botox 
B)  curare 
C)  atropine 
D)  all of the above 
E)  both A and B

Question 8

In order to record a membrane potential,the tip of a __________ must be inserted inside the cell.

Accepted Answer

The answer of In order to record a membrane potential,the...

Question 9

Opioids play a role in

Accepted Answer

A)  analgesia. 
B)  pleasure. 
C)  retrograde transport. 
D)  both A and B 
E)  both B and C 
A)  analgesia. 
B)  pleasure. 
C)  retrograde transport. 
D)  both A and B 
E)  both B and C

Question 10

There are two kinds postsynaptic potentials: EPSPs and __________.

Accepted Answer

The answer of There are two kinds postsynaptic potentials: EPSPs...

Question 11

Endorphins and __________ are endogenous opioids.

Accepted Answer

The answer of Endorphins and __________ are endogenous opioids....

Question 12

In its resting state,a neuron is said to be

Accepted Answer

A)  polarized. 
B)  depolarized. 
C)  hypopolarized. 
D)  hyperpolarized. 
E)  firing. 
A)  polarized. 
B)  depolarized. 
C)  hypopolarized. 
D)  hyperpolarized. 
E)  firing.

Question 13

Conduction of action potentials in myelinated axons

Accepted Answer

A)  is faster than in unmyelinated axons. 
B)  is slower than in unmyelinated axons. 
C)  is possible in only an antidromic direction. 
D)  requires more energy than in unmyelinated axons. 
E)  is always inhibitory. 
A)  is faster than in unmyelinated axons. 
B)  is slower than in unmyelinated axons. 
C)  is possible in only an antidromic direction. 
D)  requires more energy than in unmyelinated axons. 
E)  is always inhibitory.

Question 14

At rest,

Accepted Answer

A)  a neuron has a membrane potential of about -70 mV. 
B)  the electrical charge outside the neuron is 70 mV less than inside the neuron. 
C)  a neuron is polarized. 
D)  all of the above 
E)  both A and C 
A)  a neuron has a membrane potential of about -70 mV. 
B)  the electrical charge outside the neuron is 70 mV less than inside the neuron. 
C)  a neuron is polarized. 
D)  all of the above 
E)  both A and C

Question 15

The end of the rising phase of an action potential occurs when the

Accepted Answer

A)  sodium channels close. 
B)  sodium channels open. 
C)  potassium channels open. 
D)  potassium channels close. 
E)  both A and D 
A)  sodium channels close. 
B)  sodium channels open. 
C)  potassium channels open. 
D)  potassium channels close. 
E)  both A and D

Question 16

In the presence of the appropriate enzyme,dopamine is converted to

Accepted Answer

A)  L-dopa. 
B)  tyrosine. 
C)  norepinephrine. 
D)  epinephrine. 
E)  serotonin. 
A)  L-dopa. 
B)  tyrosine. 
C)  norepinephrine. 
D)  epinephrine. 
E)  serotonin.

Question 17

Endorphins are

Accepted Answer

A)  neuropeptides. 
B)  monoamines. 
C)  cholinergic. 
D)  adrenergic. 
E)  serotonergic. 
A)  neuropeptides. 
B)  monoamines. 
C)  cholinergic. 
D)  adrenergic. 
E)  serotonergic.

Question 18

Which of the following are thought to play a role in reducing excessive neurotransmitter release?

Accepted Answer

A)  dendritic receptors 
B)  autoreceptors 
C)  dendritic spines 
D)  postsynaptic receptors 
E)  somatic receptors 
A)  dendritic receptors 
B)  autoreceptors 
C)  dendritic spines 
D)  postsynaptic receptors 
E)  somatic receptors

Question 19

There is only one neurotransmitter that is known to be deactivated in the synaptic cleft by enzymatic degradation; this neurotransmitter is

Accepted Answer

A)  dopamine. 
B)  acetylcholine. 
C)  acetylcholinesterase. 
D)  norepinephrine. 
E)  glutamate. 
A)  dopamine. 
B)  acetylcholine. 
C)  acetylcholinesterase. 
D)  norepinephrine. 
E)  glutamate.

Question 20

Conduction of APs from the axon into the cell body and dendrites of a multipolar neuron is

Accepted Answer

A)  extremely rare. 
B)  antidromic. 
C)  orthodromic. 
D)  both A and B 
E)  both A and C 
A)  extremely rare. 
B)  antidromic. 
C)  orthodromic. 
D)  both A and B 
E)  both A and C

Drugs that block the reuptake of a neurotransmitter from the synapse are usually

Cocaine and amphetamines in high doses can produce a temporary disorder that is similar to

Which is considered to be the most prevalent inhibitory neurotransmitter in the mammalian CNS?

Sodium-potassium pumps are

The presence of two neurotransmitters in the same neuron is referred to as __________.

The drug __________ is a muscarinic antagonist and pupil dilator.

Which of the following is a nicotinic antagonist?

In order to record a membrane potential,the tip of a __________ must be inserted inside the cell.

Opioids play a role in

There are two kinds postsynaptic potentials: EPSPs and __________.

Endorphins and __________ are endogenous opioids.

In its resting state,a neuron is said to be

Conduction of action potentials in myelinated axons

At rest,

The end of the rising phase of an action potential occurs when the

In the presence of the appropriate enzyme,dopamine is converted to

Endorphins are

Which of the following are thought to play a role in reducing excessive neurotransmitter release?

There is only one neurotransmitter that is known to be deactivated in the synaptic cleft by enzymatic degradation; this neurotransmitter is

Conduction of APs from the axon into the cell body and dendrites of a multipolar neuron is

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

The Sensorimotor System

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

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Exam 4: Neural Conduction and Synaptic Transmission

Drugs that block the reuptake of a neurotransmitter from the synapse are usually

Cocaine and amphetamines in high doses can produce a temporary disorder that is similar to

Which is considered to be the most prevalent inhibitory neurotransmitter in the mammalian CNS?

Sodium-potassium pumps are

The presence of two neurotransmitters in the same neuron is referred to as __________.

The drug __________ is a muscarinic antagonist and pupil dilator.

Which of the following is a nicotinic antagonist?

In order to record a membrane potential,the tip of a __________ must be inserted inside the cell.

Opioids play a role in

There are two kinds postsynaptic potentials: EPSPs and __________.

Endorphins and __________ are endogenous opioids.

In its resting state,a neuron is said to be

Conduction of action potentials in myelinated axons

At rest,

The end of the rising phase of an action potential occurs when the

In the presence of the appropriate enzyme,dopamine is converted to

Endorphins are

Which of the following are thought to play a role in reducing excessive neurotransmitter release?

There is only one neurotransmitter that is known to be deactivated in the synaptic cleft by enzymatic degradation; this neurotransmitter is

Conduction of APs from the axon into the cell body and dendrites of a multipolar neuron is

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

The Sensorimotor System

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

Biopsychology of Psychiatric Disorders

Filters