Free notes, MCQs, tables & flowcharts for INI-CET Physiology
Sequence the events in neuromuscular action potential conduction: 1. Sodium channels open in the end plate 2. Calcium enters at the nerve terminal 3. Release of acetylcholine
A$1 \rightarrow 2 \rightarrow 3$
B$1 \rightarrow 3 \rightarrow 2$
C$3 \rightarrow 2 \rightarrow 1$
D$2 \rightarrow 3 \rightarrow 1$
Hyperpolarization is caused by which ions?
AK+
BNa+
CHCO3-
DCa2+
Which of the following statements about the Na-K pump is false?
AIt is not directly involved in the generation of action potentials.
BIt is electrogenic
CIt needs ATP for its functioning
DIt is located on the apical membrane of cell
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