Author Question: According to the all-or-none law, ____. a. all neurons produce an action potential at the same ... (Read 54 times)

jasdeep_brar · **on:** Jun 22, 2018

According to the all-or-none law, ____.

a. all neurons produce an action potential at the same time or none at all
b. all of the extracellular sodium enters the axon, or none at all
c. once an axon reaches threshold, the amplitude and velocity of an action potential are nearly equal each time
d. neurons are either active all the time or not at all

Question 2

What area of the brain is largely responsible for detecting osmotic pressure?

a. substantia nigra
b. red nucleus
c. ventromedial hypothalamus
d. OVLT and subfornical organ