Transcript Neuron Note #3 - WordPress.com

Neuron Note #3
AP PSYCHOLOGY REVIEW
1. Which part of the neuron
receives messages from other
cells?
Axon
b) Dendrite
c) Soma
d) Myelin
e) Nucleus
a)
2. In which sequence does a
neural impulse travel
through a neuron?
Dendrite, soma, axon
b) Dendrite, axon, soma
c) Soma, dendrite, axon
d) Soma, axon, dendrite
e) Axon, soma, dendrite
a)
3. Which of the following statements about
the activity of neurons is true?
A weak message can be used to stimulate a
sensory neuron, but a strong message is needed
to stimulate a motor neuron
b) A strong message received by a neuron will cause
the neuron to generate a stronger action
potential
c) A strong message will cause the release of
neurotransmitters from the neuron, while a weak
message will cause the release of hormones from
the neuron
d) A strong message received by a neuron will cause
the neuron to fire repeatedly, in a faster fashion
a)
4. When the neuron’s action
potential occurs, ________
ions are rushing into the
axon through openings on
the membrane.
Sodium
b) Potassium
c) Chloride
d) Oxygen
e) Ammonium
a)
5. When the action potential
reaches the end of the axon
terminals, it causes the
release of ______.
a)
b)
c)
d)
e)
An electrical spark that sets off
the next neuron
Positively charged ions that
excite the next cell
Positively charged ions that
inhibit the next cell
Negatively charged ions that
inhibit the next cell
Neurotransmitters that excite or
inhibit the next cell
6. What happens when a cell’s
action potential has ended?
a)
b)
c)
d)
e)
Negative sodium ions enter the
cell
Positive potassium ions enter
the cell
Activated dendrites stimulate
the cell
The cell returns to its resting
potential
The cell is ready to receive
another neural impulse
7. When an antagonist drug
affects an inhibitory
neurotransmitter, it
______.
Increases the inhibitory effect
b) Increases the activity of the cell
c) Paralyzes the system
d) Neutralizes the cell
e) Does not affect the cell
a)
8. Which of the following
neurotransmitters is
associated with sleep, mood
and appetite?
a)
b)
c)
d)
e)
Acetylcholine
GABA
Serotonin
Endorphin
Glutamate
9. The venom of a black widow
spider causes violent muscle
contractions by accelerating
the release of _______.
a)
b)
c)
d)
e)
Dopamine
Serotonin
Acetylcholine
Norepinephrine
Endorphins
10. Beta blockers serve as a(n)
______ by blocking the
effects of neurotransmitters
that stimulate the heart.
a)
b)
c)
d)
e)
Agonist
Inhibitory synapse
Antagonist
Synaptic vesicle
Reuptake
1. Which part of the neuron
receives messages from other
cells?
Axon
b) Dendrite
c) Soma
d) Myelin
e) Nucleus
a)
2. In which sequence does a
neural impulse travel
through a neuron?
Dendrite, soma, axon
b) Dendrite, axon, soma
c) Soma, dendrite, axon
d) Soma, axon, dendrite
e) Axon, soma, dendrite
a)
3. Which of the following statements about
the activity of neurons is true?
A weak message can be used to stimulate a sensory
neuron, but a strong message is needed to
stimulate a motor neuron
b) A strong message received by a neuron will cause
the neuron to generate a stronger action potential
c) A strong message will cause the release of
neurotransmitters from the neuron, while a weak
message will cause the release of hormones from
the neuron
d) A strong message received by a neuron will cause
the neuron to fire repeatedly, in a faster fashion
a)
4. When the neuron’s action
potential occurs, ________
ions are rushing into the
axon through openings on
the membrane.
Sodium
b) Potassium
c) Chloride
d) Oxygen
e) Ammonium
a)
5. When the action potential
reaches the end of the axon
terminals, it causes the
release of ______.
a)
b)
c)
d)
e)
An electrical spark that sets off
the next neuron
Positively charged ions that
excite the next cell
Positively charged ions that
inhibit the next cell
Negatively charged ions that
inhibit the next cell
Neurotransmitters that excite or
inhibit the next cell
6. What happens when a cell’s
action potential has ended?
a)
b)
c)
d)
e)
Negative sodium ions enter the
cell
Positive potassium ions enter
the cell
Activated dendrites stimulate
the cell
The cell returns to its resting
potential
The cell is ready to receive
another neural impulse
7. When an antagonist drug
affects an inhibitory
neurotransmitter, it _____.
Increases the inhibitory effect
b) Increases the activity of the cell
c) Paralyzes the system
d) Neutralizes the cell
e) Does not affect the cell
a)
8. Which of the following
neurotransmitters is
associated with sleep, mood
and appetite?
a)
b)
c)
d)
e)
Acetylcholine
GABA
Serotonin
Endorphin
Glutamate
9. The venom of a black widow
spider causes violent muscle
contractions by accelerating
the release of _______.
a)
b)
c)
d)
e)
Dopamine
Serotonin
Acetylcholine
Norepinephrine
Endorphins
10. Beta blockers serve as a(n)
______ by blocking the
effects of neurotransmitters
that stimulate the heart.
a)
b)
c)
d)
e)
Agonist
Inhibitory synapse
Antagonist
Synaptic vesicle
Reuptake