When a neuron is at rest, what is its electrical charge?
a) -80 millivolts
b) +70 millivolts
c) -70 millivolts
d) +50 millivolts
e) -60 millivolts
Question 2
The sodium-potassium pump
a) exchanges three Na+ ions inside the cell for two K+ ions that are outside the cell.
b) exchanges three K+ ions inside the cell for two Na+ ions that are outside the cell.
c) exchanges two Na+ ions inside the cell for three K+ ions that are outside the cell.
d) exchanges two K+ ions inside the cell for every three Na+ ions that are outside the cell.
e) exchanges two K+ ions inside the cell for every two Na+ ions that are outside the cell.
Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
A wire wound electrical heater is used to warm the intake air on some diesel engines
The major internal features of a neuron.
The structure of a single developed neuron
Neuron illustration