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Neuron Note #3

Neuron Note #3. AP Psychology review. Which part of the neuron receives messages from other cells? Axon Dendrite Soma Myelin Nucleus. In which sequence does a neural impulse travel through a neuron? Dendrite, soma, axon Dendrite, axon, soma Soma, dendrite, axon Soma, axon, dendrite

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Neuron Note #3

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  1. Neuron Note #3 AP Psychology review

  2. Which part of the neuron receives messages from other cells? • Axon • Dendrite • Soma • Myelin • Nucleus

  3. In which sequence does a neural impulse travel through a neuron? • Dendrite, soma, axon • Dendrite, axon, soma • Soma, dendrite, axon • Soma, axon, dendrite • Axon, soma, dendrite

  4. 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 • A strong message received by a neuron will cause the neuron to generate a stronger action potential • 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 • A strong message received by a neuron will cause the neuron to fire repeatedly, in a faster fashion

  5. When the neuron’s action potential occurs, ________ ions are rushing into the axon through openings on the membrane. • Sodium • Potassium • Chloride • Oxygen • Ammonium

  6. When the action potential reaches the end of the axon terminals, it causes the release of ______. • 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

  7. What happens when a cell’s action potential has ended? • 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

  8. When an antagonist drug affects an inhibitory neurotransmitter, it ______. • Increases the inhibitory effect • Increases the activity of the cell • Paralyzes the system • Neutralizes the cell • Does not affect the cell

  9. Which of the following neurotransmitters is associated with sleep, mood and appetite? • Acetylcholine • GABA • Serotonin • Endorphin • Glutamate

  10. The venom of a black widow spider causes violent muscle contractions by accelerating the release of _______. • Dopamine • Serotonin • Acetylcholine • Norepinephrine • Endorphins

  11. Beta blockers serve as a(n) ______ by blocking the effects of neurotransmitters that stimulate the heart. • Agonist • Inhibitory synapse • Antagonist • Synaptic vesicle • Reuptake

  12. Which part of the neuron receives messages from other cells? • Axon • Dendrite • Soma • Myelin • Nucleus

  13. In which sequence does a neural impulse travel through a neuron? • Dendrite, soma, axon • Dendrite, axon, soma • Soma, dendrite, axon • Soma, axon, dendrite • Axon, soma, dendrite

  14. 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 • A strong message received by a neuron will cause the neuron to generate a stronger action potential • 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 • A strong message received by a neuron will cause the neuron to fire repeatedly, in a faster fashion

  15. When the neuron’s action potential occurs, ________ ions are rushing into the axon through openings on the membrane. • Sodium • Potassium • Chloride • Oxygen • Ammonium

  16. When the action potential reaches the end of the axon terminals, it causes the release of ______. • 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

  17. What happens when a cell’s action potential has ended? • 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

  18. When an antagonist drug affects an inhibitory neurotransmitter, it _____. • Increases the inhibitory effect • Increases the activity of the cell • Paralyzes the system • Neutralizes the cell • Does not affect the cell

  19. Which of the following neurotransmitters is associated with sleep, mood and appetite? • Acetylcholine • GABA • Serotonin • Endorphin • Glutamate

  20. The venom of a black widow spider causes violent muscle contractions by accelerating the release of _______. • Dopamine • Serotonin • Acetylcholine • Norepinephrine • Endorphins

  21. Beta blockers serve as a(n) ______ by blocking the effects of neurotransmitters that stimulate the heart. • Agonist • Inhibitory synapse • Antagonist • Synaptic vesicle • Reuptake

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