Question 1

Neuropeptides are synthesized in the cell body on

Accepted Answer

A)  ribosomes. 
B)  the Golgi complex. 
C)  vesicles. 
D)  mitochondria. 
E)  microtubules. 
A)  ribosomes. 
B)  the Golgi complex. 
C)  vesicles. 
D)  mitochondria. 
E)  microtubules.

Question 2

Pump mechanisms in the cell membrane of neurons pump __________ ions out of the neuron to maintain the membrane potential.

Accepted Answer

The answer of Pump mechanisms in the cell membrane of...

Question 3

The enzyme that deactivates acetylcholine after it has been released into the synapse is __________.

Accepted Answer

acetylchol

Question 4

Neurotransmitter molecules are often packaged in vesicles by

Accepted Answer

A)  Golgi complexes. 
B)  ribosomes. 
C)  buttons. 
D)  peptides. 
E)  microtubules. 
A)  Golgi complexes. 
B)  ribosomes. 
C)  buttons. 
D)  peptides. 
E)  microtubules.

Question 5

Neurotransmitters are often stored in

Accepted Answer

A)  aluminum foil. 
B)  ribosomes. 
C)  synaptic vesicles. 
D)  nodes of Ranvier. 
E)  the synaptic cleft. 
A)  aluminum foil. 
B)  ribosomes. 
C)  synaptic vesicles. 
D)  nodes of Ranvier. 
E)  the synaptic cleft.

Question 6

Explain how an action potential is conducted along a myelinated axon.Why is conduction more rapid in a myelinated axon than in an unmyelinated axon? At what speed does axonal conduction occur in various kinds of axons?

Accepted Answer

50% for explaining the putative mechanis

Question 7

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 8

By binding to nicotinic receptors,__________ produces paralysis and death,which is why it is used on poison darts.

Accepted Answer

The answer of By binding to nicotinic receptors,__________ produces paralysis...

Question 9

Drugs that increase the activity of a particular neurotransmitter are said to be __________ of that neurotransmitter.

Accepted Answer

The answer of Drugs that increase the activity of a...

Question 10

Serotonin is synthesized from

Accepted Answer

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

Question 11

Action potentials are produced by the

Accepted Answer

A)  opening of voltage-activated sodium channels. 
B)  closing of ligand-activated chloride channels. 
C)  closing of ligand-activated potassium channels. 
D)  opening of ligand-activated potassium channels. 
E)  closing of voltage-activated calcium channels. 
A)  opening of voltage-activated sodium channels. 
B)  closing of ligand-activated chloride channels. 
C)  closing of ligand-activated potassium channels. 
D)  opening of ligand-activated potassium channels. 
E)  closing of voltage-activated calcium channels.

Question 12

Both presynaptic facilitation and inhibition are mediated by

Accepted Answer

A)  axoaxonic synapses. 
B)  axodendritic synapses. 
C)  dendrodendritic synapses. 
D)  axosomatic synapses. 
E)  both A and D 
A)  axoaxonic synapses. 
B)  axodendritic synapses. 
C)  dendrodendritic synapses. 
D)  axosomatic synapses. 
E)  both A and D

Question 13

Many effective antischizophrenic drugs

Accepted Answer

A)  also are effective against Parkinson's disease. 
B)  are D2 agonists. 
C)  are D2 blockers. 
D)  both A and B 
E)  both A and C 
A)  also are effective against Parkinson's disease. 
B)  are D2 agonists. 
C)  are D2 blockers. 
D)  both A and B 
E)  both A and C

Question 14

In comparison to ionotropic receptors,metabotropic receptors generally produce

Accepted Answer

A)  their effects more rapidly. 
B)  longer lasting effects. 
C)  more localized effects. 
D)  all of the above 
E)  both A and C 
A)  their effects more rapidly. 
B)  longer lasting effects. 
C)  more localized effects. 
D)  all of the above 
E)  both A and C

Question 15

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 16

Second messengers can

Accepted Answer

A)  be synthesized in response to activation of metabotropic receptors. 
B)  influence metabolic activities of the cell. 
C)  induce IPSPs or EPSPs. 
D)  bind to DNA to influence protein synthesis. 
E)  all of the above 
A)  be synthesized in response to activation of metabotropic receptors. 
B)  influence metabolic activities of the cell. 
C)  induce IPSPs or EPSPs. 
D)  bind to DNA to influence protein synthesis. 
E)  all of the above

Question 17

Na⁺ ions are encouraged to move into neurons by

Accepted Answer

A)  nonrandom assignment. 
B)  electrostatic pressure. 
C)  the sodium-potassium pump. 
D)  selective ion channels. 
E)  nonrandom movement. 
A)  nonrandom assignment. 
B)  electrostatic pressure. 
C)  the sodium-potassium pump. 
D)  selective ion channels. 
E)  nonrandom movement.

Question 18

According to the theory of Hodgkin and Huxley,

Accepted Answer

A)  Na⁺ ions continuously leak out of a resting neuron. 
B)  Na⁺ ions are continuously pumped into a resting neuron. 
C)  K⁺ ions continuously leak out of a resting neuron. 
D)  K⁺ ions are continuously pumped out of a resting neuron. 
E)  both A and B 
A)  Na⁺ ions continuously leak out of a resting neuron. 
B)  Na⁺ ions are continuously pumped into a resting neuron. 
C)  K⁺ ions continuously leak out of a resting neuron. 
D)  K⁺ ions are continuously pumped out of a resting neuron. 
E)  both A and B

Question 19

Which of the following is currently thought to be a valid general principle of synaptic transmission?

Accepted Answer

A)  Each neuron releases only one neurotransmitter. 
B)  Each neurotransmitter acts on only one receptor subtype. 
C)  All receptors are in postsynaptic membranes. 
D)  All neurotransmitters are released into the synaptic cleft. 
E)  none of the above 
A)  Each neuron releases only one neurotransmitter. 
B)  Each neurotransmitter acts on only one receptor subtype. 
C)  All receptors are in postsynaptic membranes. 
D)  All neurotransmitters are released into the synaptic cleft. 
E)  none of the above

Question 20

Ionotropic receptors are linked to

Accepted Answer

A)  ribosomes. 
B)  neurotransmitters. 
C)  ligand-activated ion channels. 
D)  vesicles. 
E)  G proteins. 
A)  ribosomes. 
B)  neurotransmitters. 
C)  ligand-activated ion channels. 
D)  vesicles. 
E)  G proteins.

Neuropeptides are synthesized in the cell body on

Pump mechanisms in the cell membrane of neurons pump __________ ions out of the neuron to maintain the membrane potential.

The enzyme that deactivates acetylcholine after it has been released into the synapse is __________.

Neurotransmitter molecules are often packaged in vesicles by

Neurotransmitters are often stored in

Explain how an action potential is conducted along a myelinated axon.Why is conduction more rapid in a myelinated axon than in an unmyelinated axon? At what speed does axonal conduction occur in various kinds of axons?

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

By binding to nicotinic receptors,__________ produces paralysis and death,which is why it is used on poison darts.

Drugs that increase the activity of a particular neurotransmitter are said to be __________ of that neurotransmitter.

Serotonin is synthesized from

Action potentials are produced by the

Both presynaptic facilitation and inhibition are mediated by

Many effective antischizophrenic drugs

In comparison to ionotropic receptors,metabotropic receptors generally produce

Soluble-gas neurotransmitters

Second messengers can

Na⁺ ions are encouraged to move into neurons by

According to the theory of Hodgkin and Huxley,

Which of the following is currently thought to be a valid general principle of synaptic transmission?

Ionotropic receptors are linked to

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

Neuropeptides are synthesized in the cell body on

Pump mechanisms in the cell membrane of neurons pump __________ ions out of the neuron to maintain the membrane potential.

The enzyme that deactivates acetylcholine after it has been released into the synapse is __________.

Neurotransmitter molecules are often packaged in vesicles by

Neurotransmitters are often stored in

Explain how an action potential is conducted along a myelinated axon.Why is conduction more rapid in a myelinated axon than in an unmyelinated axon? At what speed does axonal conduction occur in various kinds of axons?

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

By binding to nicotinic receptors,__________ produces paralysis and death,which is why it is used on poison darts.

Drugs that increase the activity of a particular neurotransmitter are said to be __________ of that neurotransmitter.

Serotonin is synthesized from

Action potentials are produced by the

Both presynaptic facilitation and inhibition are mediated by

Many effective antischizophrenic drugs

In comparison to ionotropic receptors,metabotropic receptors generally produce

Soluble-gas neurotransmitters

Second messengers can

Na⁺ ions are encouraged to move into neurons by

According to the theory of Hodgkin and Huxley,

Which of the following is currently thought to be a valid general principle of synaptic transmission?

Ionotropic receptors are linked to

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