Test Questions Flashcards
1
Q
You are able to stimulate a nerve after an action potential but will not get a response until it is back to its resting state (which is why we use supramaximal stimulation for our studies). Hyperpolarization is due to
A
potassium rushing back into the cell
2
Q
What is the nernst equation
A
chemical work = electrical work = 0
Na+ K+ pump (3Na pumped out for every 2+ pumped in)
3
Q
Name the three components that make up peripheral nerved
A
Endoneurium - around each axon
Perineurium - around each fascicle
Epineurium - around the entire nerve
4
Q
What does myotonia on EMG spontaneous activity show in myopathy?
A
pompe’s disease (acid maltase deficiency)
