52: The action potential and the synapse Quizellenj2022-11-16T23:56:13-05:00 Please sign up for the course before taking this quiz. 1. An influx of sodium ions into the axon is what generates the action potential.1 True False 2. When the axon is resting, which is more abundant inside the membrane?1 Na K Ca 3. To what gadget do neurotransmitters stick after they cross the gap?1 potassium channels either, depending on situation sodium channels 4. Saltatory conduction gets its name from the Latin word “saltare” meaning:1 jump salt fast slow synapse 5. What crosses the synaptic cleft?1 neurotransmitters cytokines the action potential calcium ions 6. What is the ration of Na to K ions pumped by the Na/K pump?1 3:2 6:1 1:1 100:1 7. What does the Na/K pump do?1 Gets rid of unwanted sodium and potassium ions. Makes sure the action potential only goes one way. Maintains the resting potenial. Restores the action potential. 8. The action potential can cross the synaptic cleft.1 True False 9. The action potential can travel up and down, back and forth, along the neuron.1 True False 10. Where does the action potential start?1 hillock Schwann cells axon terminals 51: Nervous tissue of the CNS 53: Muscle fibers and the neuromuscular junction Back to: 52: The action potential and the synapse
