Which of the following is true regarding Na+ (sodium) ions?
ADoes not help other ions in transport
BResponsible for depolarization
CResponsible for the resting membrane potential
DSodium ion is responsible for Donnan effect
Absolute refractoriness of a neuron is due to?
AHyperpolarization of Cl channels
BOpening of rectifier K+ channels
CClosure of activated Na channels
DInactivation of Na channels
Mechanism of action of d-tubocurarine is:
ACompetitive, nondepolarizing block at the Nm cholinergic receptor
BNoncompetitive, depolarizing block at the Nm cholinergic receptor
CNon-competitive, nondepolarizing block at the Nm cholinergic receptor
DCompetitive, depolarizing block at the Nm cholinergic receptor
+ 7 more in the PDF
Browse all chapters