Lecture 1.3 Flashcards
1
Q
What is multiple sclerosis?
A
Auto-immune disease that attacks the myelin sheath around neurons
2
Q
What are some symptoms of MS?
A
Visual impairment, slurring of words, muscle weakness
3
Q
What is the cause and is there a cure?
A
No known cause, Interferon beta is taken to minimize attacks
4
Q
What are the function of Astrocytes?
A
physical neuronal support, housekeeping and provide nutrients
5
Q
What determines resting membrane potential and what is the value?
A
Electrostatic pressure and diffusion forces, -70mV
6
Q
What does the rate of AP firing tell us?
A
How hard a contraction will be-fast firing of many AP means a hard contraction while one AP would mean a soft contraction
