Question 1

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.

Question 2

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 3

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

Accepted Answer

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

Question 4

-Which is 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

Ions pass through the neural membrane via specialized pores called

Accepted Answer

A)  gap junctions. 
B)  PSPs. 
C)  ion channels. 
D)  vesicles. 
E)  connexons. 
A)  gap junctions. 
B)  PSPs. 
C)  ion channels. 
D)  vesicles. 
E)  connexons.

Question 6

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 7

Actions potentials are generated on the axon adjacent to the __________.

Accepted Answer

The answer of Actions potentials are generated on the axon...

Question 8

The tips of intracellular recording electrodes are

Accepted Answer

A)  about the size of a neuron. 
B)  too small to be seen with the naked eye. 
C)  less than one thousandth of a millimeter in diameter. 
D)  both B and C 
E)  none of the above 
A)  about the size of a neuron. 
B)  too small to be seen with the naked eye. 
C)  less than one thousandth of a millimeter in diameter. 
D)  both B and C 
E)  none of the above

Question 9

The enzyme whose function is to deactivate a specific neurotransmitter once it has been released into the synapse is

Accepted Answer

A)  dopamine. 
B)  L-DOPA. 
C)  acetylcholine. 
D)  acetylcholinesterase. 
E)  a G protein. 
A)  dopamine. 
B)  L-DOPA. 
C)  acetylcholine. 
D)  acetylcholinesterase. 
E)  a G protein.

Question 10

The most prevalent inhibitory neurotransmitter in the mammalian brain is __________.

Accepted Answer

The answer of The most prevalent inhibitory neurotransmitter in the...

Question 11

Endorphins 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 12

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 13

Peptide neurotransmitters (i.e., neuropeptides)are synthesized in the cell body and

Accepted Answer

A)  stored in the Golgi complex until they are broken down. 
B)  released by the Golgi complex into the synapse. 
C)  transported via microtubules to the buttons. 
D)  stored in vesicles with small-molecule neurotransmitters. 
E)  transported along the axons to the nodes of Ranvier. 
A)  stored in the Golgi complex until they are broken down. 
B)  released by the Golgi complex into the synapse. 
C)  transported via microtubules to the buttons. 
D)  stored in vesicles with small-molecule neurotransmitters. 
E)  transported along the axons to the nodes of Ranvier.

Question 14

IPSP is to EPSP as

Accepted Answer

A)  graded is to nongraded. 
B)  excitatory is to inhibitory. 
C)  cable properties are to noncable properties. 
D)  presynaptic is to postsynaptic. 
E)  hyperpolarization is to depolarization. 
A)  graded is to nongraded. 
B)  excitatory is to inhibitory. 
C)  cable properties are to noncable properties. 
D)  presynaptic is to postsynaptic. 
E)  hyperpolarization is to depolarization.

Question 15

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 16

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 17

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 18

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 19

Homogeneous distribution of ions in neural tissue is promoted 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 20

Describe the integration (summation)of postsynaptic potentials.Draw graphs illustrating the five basic types of summation.Discuss how these types of summation interact in a normal functioning neuron.

Accepted Answer

25% for describing the five ty

Neurons without axons do not

A membrane potential is the difference in electrical charge between

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

-Which is the most prevalent excitatory neurotransmitter in the mammalian CNS?

Ions pass through the neural membrane via specialized pores called

Endorphins are

Actions potentials are generated on the axon adjacent to the __________.

The tips of intracellular recording electrodes are

The enzyme whose function is to deactivate a specific neurotransmitter once it has been released into the synapse is

The most prevalent inhibitory neurotransmitter in the mammalian brain is __________.

Endorphins play a role in

Second messengers are formed in the

Peptide neurotransmitters (i.e., neuropeptides)are synthesized in the cell body and

IPSP is to EPSP as

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

In comparison to ionotropic receptors, metabotropic receptors generally produce

A ligand of acetylcholine is a substance that

Conduction of action potentials along an axon is

Homogeneous distribution of ions in neural tissue is promoted by

Describe the integration (summation)of postsynaptic potentials.Draw graphs illustrating the five basic types of summation.Discuss how these types of summation interact in a normal functioning neuron.

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

Neurons without axons do not

A membrane potential is the difference in electrical charge between

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

-Which is the most prevalent excitatory neurotransmitter in the mammalian CNS?

Ions pass through the neural membrane via specialized pores called

Endorphins are

Actions potentials are generated on the axon adjacent to the __________.

The tips of intracellular recording electrodes are

The enzyme whose function is to deactivate a specific neurotransmitter once it has been released into the synapse is

The most prevalent inhibitory neurotransmitter in the mammalian brain is __________.

Endorphins play a role in

Second messengers are formed in the

Peptide neurotransmitters (i.e., neuropeptides)are synthesized in the cell body and

IPSP is to EPSP as

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

In comparison to ionotropic receptors, metabotropic receptors generally produce

A ligand of acetylcholine is a substance that

Conduction of action potentials along an axon is

Homogeneous distribution of ions in neural tissue is promoted by

Describe the integration (summation)of postsynaptic potentials.Draw graphs illustrating the five basic types of summation.Discuss how these types of summation interact in a normal functioning neuron.

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