Question 1

Soluble-gas neurotransmitters

Accepted Answer

A)  are synthesized in the neural cytoplasm. 
B)  once synthesized, immediately diffuse through the cell membrane into the extracellular fluid and into nearby cells. 
C)  diffuse into target cells through their cell membranes. 
D)  once in other cells, stimulate the synthesis of a second messenger and are immediately broken down. 
E)  all of the above 
A)  are synthesized in the neural cytoplasm. 
B)  once synthesized, immediately diffuse through the cell membrane into the extracellular fluid and into nearby cells. 
C)  diffuse into target cells through their cell membranes. 
D)  once in other cells, stimulate the synthesis of a second messenger and are immediately broken down. 
E)  all of the above

Question 2

With respect to neurotransmitters, which of the following is a correct sequence?

Accepted Answer

A)  synthesis, storage, exocytosis, reuptake 
B)  reuptake, synthesis, deactivation, exocytosis 
C)  deactivation, postsynaptic binding, synthesis, storage 
D)  storage, deactivation, synthesis, exocytosis 
E)  exocytosis, postsynaptic binding, synthesis, reuptake 
A)  synthesis, storage, exocytosis, reuptake 
B)  reuptake, synthesis, deactivation, exocytosis 
C)  deactivation, postsynaptic binding, synthesis, storage 
D)  storage, deactivation, synthesis, exocytosis 
E)  exocytosis, postsynaptic binding, synthesis, reuptake

Question 3

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 4

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 5

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 6

How are the membrane potentials of neurons recorded? Explain the ionic mechanisms thought to be responsible for the resting potential.

Accepted Answer

25% for explaining how membran

Question 7

With respect to size, neuropeptides are the __________ neurotransmitters.

Accepted Answer

The answer of With respect to size, neuropeptides are the...

Question 8

Action potentials can be conducted

Accepted Answer

A)  actively. 
B)  passively. 
C)  orthodromically. 
D)  antidromically. 
E)  all of the above 
A)  actively. 
B)  passively. 
C)  orthodromically. 
D)  antidromically. 
E)  all of the above

Question 9

Parkinson's disease is treated with

Accepted Answer

A)  dopamine. 
B)  serotonin. 
C)  acetylcholine. 
D)  norepinephrine. 
E)  L-DOPA. 
A)  dopamine. 
B)  serotonin. 
C)  acetylcholine. 
D)  norepinephrine. 
E)  L-DOPA.

Question 10

Discuss three ways that drugs produce agonistic effects and three ways that they produce antagonistic effects. Provide specific examples.

Accepted Answer

35% for describing three mechanisms of a

Question 11

Conduction in myelinated axons is referred to as __________ conduction.

Accepted Answer

The answer of Conduction in myelinated axons is referred to...

Question 12

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 13

APs are said to be all-or-none: This means that all APs

Accepted Answer

A)  are the same. 
B)  in a particular neuron are the same. 
C)  quickly or not at all. 
D)  all of the above 
E)  both A and C 
A)  are the same. 
B)  in a particular neuron are the same. 
C)  quickly or not at all. 
D)  all of the above 
E)  both A and C

Question 14

After release, neurotransmitters are deactivated in the synapse by

Accepted Answer

A)  reuptake. 
B)  enzymatic degradation. 
C)  G proteins. 
D)  all of the above 
E)  both A or B 
A)  reuptake. 
B)  enzymatic degradation. 
C)  G proteins. 
D)  all of the above 
E)  both A or B

Question 15

After release, most neurotransmitters are deactivated by

Accepted Answer

A)  reuptake. 
B)  synaptic enzymes. 
C)  the postsynaptic receptors. 
D)  deactivating enzymes. 
E)  ribosomes. 
A)  reuptake. 
B)  synaptic enzymes. 
C)  the postsynaptic receptors. 
D)  deactivating enzymes. 
E)  ribosomes.

Question 16

Which of the following is a cholinergic antagonist?

Accepted Answer

A)  curare 
B)  Valium 
C)  THC 
D)  all of the above 
E)  both B and C 
A)  curare 
B)  Valium 
C)  THC 
D)  all of the above 
E)  both B and C

Question 17

EPSPS are conducted passively, rapidly, and __________.

Accepted Answer

The answer of EPSPS are conducted passively, rapidly, and __________....

Question 18

Neuropeptides are transported in vesicles from the cell body to the buttons at a speed of about

Accepted Answer

A)  100 meters per minute. 
B)  40 centimeters per day. 
C)  60 meters per second. 
D)  40 meters per minute. 
E)  20 meters per second. 
A)  100 meters per minute. 
B)  40 centimeters per day. 
C)  60 meters per second. 
D)  40 meters per minute. 
E)  20 meters per second.

Question 19

When a small-molecule neurotransmitter molecule binds to an ionotropic receptor, the

Accepted Answer

A)  cell fires. 
B)  cell stops firing. 
C)  ligand is deactivated. 
D)  associated ion channel opens or closes. 
E)  EPSP gradually increases. 
A)  cell fires. 
B)  cell stops firing. 
C)  ligand is deactivated. 
D)  associated ion channel opens or closes. 
E)  EPSP gradually increases.

Question 20

Neurons without axons do not

Accepted Answer

A)  generate action potentials. 
B)  exist. 
C)  exist in mammals. 
D)  exist in humans. 
E)  produce inhibition. 
A)  generate action potentials. 
B)  exist. 
C)  exist in mammals. 
D)  exist in humans. 
E)  produce inhibition.

Soluble-gas neurotransmitters

With respect to neurotransmitters, which of the following is a correct sequence?

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

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

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

How are the membrane potentials of neurons recorded? Explain the ionic mechanisms thought to be responsible for the resting potential.

With respect to size, neuropeptides are the __________ neurotransmitters.

Action potentials can be conducted

Parkinson's disease is treated with

Discuss three ways that drugs produce agonistic effects and three ways that they produce antagonistic effects. Provide specific examples.

Conduction in myelinated axons is referred to as __________ conduction.

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

APs are said to be all-or-none: This means that all APs

After release, neurotransmitters are deactivated in the synapse by

After release, most neurotransmitters are deactivated by

Which of the following is a cholinergic antagonist?

EPSPS are conducted passively, rapidly, and __________.

Neuropeptides are transported in vesicles from the cell body to the buttons at a speed of about

When a small-molecule neurotransmitter molecule binds to an ionotropic receptor, the

Neurons without axons do not

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

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 Brain’s 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

Soluble-gas neurotransmitters

With respect to neurotransmitters, which of the following is a correct sequence?

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

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

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

How are the membrane potentials of neurons recorded? Explain the ionic mechanisms thought to be responsible for the resting potential.

With respect to size, neuropeptides are the __________ neurotransmitters.

Action potentials can be conducted

Parkinson's disease is treated with

Discuss three ways that drugs produce agonistic effects and three ways that they produce antagonistic effects. Provide specific examples.

Conduction in myelinated axons is referred to as __________ conduction.

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

APs are said to be all-or-none: This means that all APs

After release, neurotransmitters are deactivated in the synapse by

After release, most neurotransmitters are deactivated by

Which of the following is a cholinergic antagonist?

EPSPS are conducted passively, rapidly, and __________.

Neuropeptides are transported in vesicles from the cell body to the buttons at a speed of about

When a small-molecule neurotransmitter molecule binds to an ionotropic receptor, the

Neurons without axons do not

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

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 Brain’s Reward Circuits

Lateralization, Language, and the Split Brain

Biopsychology of Emotion, Stress, and Health

Biopsychology of Psychiatric Disorders

Filters