Question 1

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

Accepted Answer

A)  GABA 
B)  glutamate 
C)  dopamine 
D)  acetylcholine 
E)  none of the above 
A)  GABA 
B)  glutamate 
C)  dopamine 
D)  acetylcholine 
E)  none of the above

Question 2

Hyperpolarization is to depolarization as

Accepted Answer

A)  inhibitory is to excitatory. 
B)  IPSPs are to EPSPs. 
C)  APs are to IPSPs. 
D)  APs are to EPSPs. 
E)  many APs are to few APs. 
A)  inhibitory is to excitatory. 
B)  IPSPs are to EPSPs. 
C)  APs are to IPSPs. 
D)  APs are to EPSPs. 
E)  many APs are to few APs.

Question 3

Discuss the synthesis,packaging,transport,and release of conventional small and large types of neurotransmitters.

Accepted Answer

50% for discussing conventiona

Question 4

Autoreceptors of a neuron are sensitive to the neuron's own

Accepted Answer

A)  EPSPs. 
B)  neurotransmitter. 
C)  IPSPs. 
D)  second messengers. 
E)  APs. 
A)  EPSPs. 
B)  neurotransmitter. 
C)  IPSPs. 
D)  second messengers. 
E)  APs.

Question 5

The receptors of the neuromuscular junction are

Accepted Answer

A)  cholinergic. 
B)  nicotinic. 
C)  muscarinic. 
D)  both A and B 
E)  both A and C 
A)  cholinergic. 
B)  nicotinic. 
C)  muscarinic. 
D)  both A and B 
E)  both A and C

Question 6

A ligand of acetylcholine is a substance that

Accepted Answer

A)  binds to acetylcholine. 
B)  stimulates acetylcholine's synthesis. 
C)  facilitates acetylcholine's release. 
D)  degrades acetylcholine. 
E)  inhibits acetylcholine. 
A)  binds to acetylcholine. 
B)  stimulates acetylcholine's synthesis. 
C)  facilitates acetylcholine's release. 
D)  degrades acetylcholine. 
E)  inhibits acetylcholine.

Question 7

__________ are sometimes called electrical synapses.

Accepted Answer

The answer of __________ are sometimes called electrical synapses....

Question 8

Conduction of action potentials along an axon is

Accepted Answer

A)  instantaneous. 
B)  decremental. 
C)  nondecremental. 
D)  entirely passive. 
E)  always saltatory. 
A)  instantaneous. 
B)  decremental. 
C)  nondecremental. 
D)  entirely passive. 
E)  always saltatory.

Question 9

"Reptilian stare" is sometimes used to describe the widely opened,unblinking eyes and motionless face of

Accepted Answer

A)  Parkinson's disease. 
B)  multiple sclerosis. 
C)  old age. 
D)  infancy. 
E)  Alzheimer's disease. 
A)  Parkinson's disease. 
B)  multiple sclerosis. 
C)  old age. 
D)  infancy. 
E)  Alzheimer's disease.

Question 10

In neurons without axons,conduction occurs entirely in the form of

Accepted Answer

A)  passive, decrementally conducted potentials. 
B)  action potentials. 
C)  all-or-none potentials. 
D)  saltatory conduction. 
E)  excitation. 
A)  passive, decrementally conducted potentials. 
B)  action potentials. 
C)  all-or-none potentials. 
D)  saltatory conduction. 
E)  excitation.

Question 11

With respect to the maximum speed of axonal conduction in motor neurons,cats are to humans as

Accepted Answer

A)  50 is to 100 meters per second. 
B)  80 is to 100 meters per second. 
C)  25 is to 100 meters per second. 
D)  82 is to 100 meters per second. 
E)  100 is to 60 meters per second. 
A)  50 is to 100 meters per second. 
B)  80 is to 100 meters per second. 
C)  25 is to 100 meters per second. 
D)  82 is to 100 meters per second. 
E)  100 is to 60 meters per second.

Question 12

In comparison to ionotropic receptors,metabotropic receptors

Accepted Answer

A)  are more prevalent. 
B)  produce longer lasting effects. 
C)  produce effects that are more diffuse. 
D)  produce effects that take longer to develop. 
E)  all of the above 
A)  are more prevalent. 
B)  produce longer lasting effects. 
C)  produce effects that are more diffuse. 
D)  produce effects that take longer to develop. 
E)  all of the above

Question 13

The finding that antischizophrenic drugs often produce the symptoms of __________ disease implicated dopamine in the development of schizophrenia.

Accepted Answer

The answer of The finding that antischizophrenic drugs often produce...

Question 14

A membrane potential is the difference in electrical charge between

Accepted Answer

A)  neuron membranes. 
B)  synapses and cell bodies. 
C)  the inside and outside of a cell. 
D)  nuclei and tracts. 
E)  ganglia and nerves. 
A)  neuron membranes. 
B)  synapses and cell bodies. 
C)  the inside and outside of a cell. 
D)  nuclei and tracts. 
E)  ganglia and nerves.

Question 15

Second messengers are formed in the

Accepted Answer

A)  presynaptic neuron. 
B)  postsynaptic neuron. 
C)  synaptic cleft. 
D)  vesicles. 
E)  mitochondria. 
A)  presynaptic neuron. 
B)  postsynaptic neuron. 
C)  synaptic cleft. 
D)  vesicles. 
E)  mitochondria.

Question 16

How far do most postsynaptic potentials travel before they die out?

Accepted Answer

A)  to the axon hillock 
B)  to the terminal buttons 
C)  no more than a couple of millimeters 
D)  about 50 millimeters 
E)  both B and D 
A)  to the axon hillock 
B)  to the terminal buttons 
C)  no more than a couple of millimeters 
D)  about 50 millimeters 
E)  both B and D

Question 17

Drugs that bind to a neurotransmitter's receptors on the postsynaptic membrane without activating them are

Accepted Answer

A)  receptor blockers. 
B)  agonists of the neurotransmitter. 
C)  antagonists of the neurotransmitter. 
D)  both A and B 
E)  both A and C 
A)  receptor blockers. 
B)  agonists of the neurotransmitter. 
C)  antagonists of the neurotransmitter. 
D)  both A and B 
E)  both A and C

Question 18

By binding to nicotinic cholinergic receptors,this drug produces paralysis and death:

Accepted Answer

A)  atropine. 
B)  chlordiazepoxide. 
C)  curare. 
D)  morphine. 
E)  belladonna. 
A)  atropine. 
B)  chlordiazepoxide. 
C)  curare. 
D)  morphine. 
E)  belladonna.

Question 19

Glial cells have been shown to

Accepted Answer

A)  release chemical transmitters. 
B)  contain receptors for neurotransmitters. 
C)  conduct signals. 
D)  influence synaptic transmission. 
E)  all of the above 
A)  release chemical transmitters. 
B)  contain receptors for neurotransmitters. 
C)  conduct signals. 
D)  influence synaptic transmission. 
E)  all of the above

Question 20

The abbreviation 5-HT stands for

Accepted Answer

A)  serotonin. 
B)  dopamine. 
C)  acetylcholine. 
D)  both A and B 
E)  none of the above 
A)  serotonin. 
B)  dopamine. 
C)  acetylcholine. 
D)  both A and B 
E)  none of the above

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

Hyperpolarization is to depolarization as

Discuss the synthesis,packaging,transport,and release of conventional small and large types of neurotransmitters.

Autoreceptors of a neuron are sensitive to the neuron's own

The receptors of the neuromuscular junction are

A ligand of acetylcholine is a substance that

__________ are sometimes called electrical synapses.

Conduction of action potentials along an axon is

"Reptilian stare" is sometimes used to describe the widely opened,unblinking eyes and motionless face of

In neurons without axons,conduction occurs entirely in the form of

With respect to the maximum speed of axonal conduction in motor neurons,cats are to humans as

In comparison to ionotropic receptors,metabotropic receptors

The finding that antischizophrenic drugs often produce the symptoms of __________ disease implicated dopamine in the development of schizophrenia.

A membrane potential is the difference in electrical charge between

Second messengers are formed in the

How far do most postsynaptic potentials travel before they die out?

Drugs that bind to a neurotransmitter's receptors on the postsynaptic membrane without activating them are

By binding to nicotinic cholinergic receptors,this drug produces paralysis and death:

Glial cells have been shown to

The abbreviation 5-HT stands for

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

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Exam 4: Neural Conduction and Synaptic Transmission

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

Hyperpolarization is to depolarization as

Discuss the synthesis,packaging,transport,and release of conventional small and large types of neurotransmitters.

Autoreceptors of a neuron are sensitive to the neuron's own

The receptors of the neuromuscular junction are

A ligand of acetylcholine is a substance that

__________ are sometimes called electrical synapses.

Conduction of action potentials along an axon is

"Reptilian stare" is sometimes used to describe the widely opened,unblinking eyes and motionless face of

In neurons without axons,conduction occurs entirely in the form of

With respect to the maximum speed of axonal conduction in motor neurons,cats are to humans as

In comparison to ionotropic receptors,metabotropic receptors

The finding that antischizophrenic drugs often produce the symptoms of __________ disease implicated dopamine in the development of schizophrenia.

A membrane potential is the difference in electrical charge between

Second messengers are formed in the

How far do most postsynaptic potentials travel before they die out?

Drugs that bind to a neurotransmitter's receptors on the postsynaptic membrane without activating them are

By binding to nicotinic cholinergic receptors,this drug produces paralysis and death:

Glial cells have been shown to

The abbreviation 5-HT stands for

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