#Question id: 11201
#Unit 7. System Physiology – Animal
Why are action potentials usually conducted in one direction?
#Question id: 11202
#Unit 7. System Physiology – Animal
If you experimentally increase the concentration of K+ inside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?
#Question id: 11203
#Unit 7. System Physiology – Animal
Which of the following statements about action potentials is correct?
#Question id: 11204
#Unit 7. System Physiology – Animal
Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?
#Question id: 11205
#Unit 7. System Physiology – Animal
What would probably happen if a long neuron had one continuous myelin sheath down the length of the axon with no nodes of Ranvier?
#Question id: 11206
#Unit 7. System Physiology – Animal
Tetrodotoxin blocks voltage-gated sodium channels, and ouabain blocks sodium-potassium pumps. If you added both tetrodotoxin and ouabain to a solution containing neural tissue, what responses would you expect?