Nervous System
A quick quiz on the nervous system
- Created by: Alexandra Smith
- Created on: 04-12-11 19:43
Other questions in this quiz
2. The stimulus does what to the neurone cell?
- make the inside of the neurone positive
- excites it
- make the membrane less permeable to sodium ions
- diffuses through it
3. Hyperpolarisation is when the potassium channels are too slow to close so there is an overshoot
- True
- False
4. The myelin sheath is a(n) ...... insulator?
- Electrical
- Schwann cell
- Salatory
- Chemical
5. What are the Nodes of Ranvier?
- The point at which threshold is reached
- Where the potassium pumps are concentrated
- Bare membrane between the Schwann cells
- The space between neurones
Comments
No comments have yet been made