Skip to content
Back to quiz
6. What is the correct definition of "Threshold Potential"?
- The minimum amount of ions in a transmission.
- The membrane potential to which a membrane must be depolarized to initiate an action potential.
- The maximum amount of impulses that can be sent at one time.
- The membrane potential to which a membrane must be repolarized to stop an action potential.
7. What is the name of the neurotransmitter substance that diffuses across the synaptic cleft in cholinergic synapses?
- Dopamine
- Glutamic acid
- Acetylcholine
- Acetylcholinesterase
8. Choline is transported back to the pre-synaptic membrane membrane and combined with Pyruvate (TRUE or FALSE)
- False
- True
- I have no idea
9. The amount of mitochondria in the synaptic knob?
- One or Two
- None
- Large amount
- Normal
10. Which voltage-gated ion channels open when an action potential arrives at the synaptic knob?
- Oxyacetylene ion channels
- Potassium ion channels
- Calcium ion channels
- Sodium ion channels