1. AP PSYCHOLOGY REVIEW Neuron Note #3

2. 1. Which part of the neuron receives messages from other cells? a) Axon b) Dendrite c) Soma d) Myelin e) Nucleus

3. 2. In which sequence does a neural impulse travel through a neuron? a) Dendrite, soma, axon b) Dendrite, axon, soma c) Soma, dendrite, axon d) Soma, axon, dendrite e) Axon, soma, dendrite

4. 3. Which of the following statements about the activity of neurons is true? a) 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

5. 4. When the neuron’s action potential occurs, ________ ions are rushing into the axon through openings on the membrane. a) Sodium b) Potassium c) Chloride d) Oxygen e) Ammonium

6. 5. When the action potential reaches the end of the axon terminals, it causes the release of ______. a) An electrical spark that sets off the next neuron b) Positively charged ions that excite the next cell c) Positively charged ions that inhibit the next cell d) Negatively charged ions that inhibit the next cell e) Neurotransmitters that excite or inhibit the next cell

7. 6. What happens when a cell’s action potential has ended? a) Negative sodium ions enter the cell b) Positive potassium ions enter the cell c) Activated dendrites stimulate the cell d) The cell returns to its resting potential e) The cell is ready to receive another neural impulse

8. 7. When an antagonist drug affects an inhibitory neurotransmitter, it ______. a) 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

9. 8. Which of the following neurotransmitters is associated with sleep, mood and appetite? a) Acetylcholine b) GABA c) Serotonin d) Endorphin e) Glutamate

10. 9. The venom of a black widow spider causes violent muscle contractions by accelerating the release of _______. a) Dopamine b) Serotonin c) Acetylcholine d) Norepinephrine e) Endorphins

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

12. 1. Which part of the neuron receives messages from other cells? a) Axon b) Dendrite c) Soma d) Myelin e) Nucleus

13. 2. In which sequence does a neural impulse travel through a neuron? a) Dendrite, soma, axon b) Dendrite, axon, soma c) Soma, dendrite, axon d) Soma, axon, dendrite e) Axon, soma, dendrite

14. 3. Which of the following statements about the activity of neurons is true? a) 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

15. 4. When the neuron’s action potential occurs, ________ ions are rushing into the axon through openings on the membrane. a) Sodium b) Potassium c) Chloride d) Oxygen e) Ammonium

16. 5. When the action potential reaches the end of the axon terminals, it causes the release of ______. a) An electrical spark that sets off the next neuron b) Positively charged ions that excite the next cell c) Positively charged ions that inhibit the next cell d) Negatively charged ions that inhibit the next cell e) Neurotransmitters that excite or inhibit the next cell

17. 6. What happens when a cell’s action potential has ended? a) Negative sodium ions enter the cell b) Positive potassium ions enter the cell c) Activated dendrites stimulate the cell d) The cell returns to its resting potential e) The cell is ready to receive another neural impulse

18. 7. When an antagonist drug affects an inhibitory neurotransmitter, it _____. a) 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

19. 8. Which of the following neurotransmitters is associated with sleep, mood and appetite? a) Acetylcholine b) GABA c) Serotonin d) Endorphin e) Glutamate

20. 9. The venom of a black widow spider causes violent muscle contractions by accelerating the release of _______. a) Dopamine b) Serotonin c) Acetylcholine d) Norepinephrine e) Endorphins

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