Physiology Exam 1: 1. Ca2+ channels close when stimulus stops
2. Ca2+ ATPase pumps Ca2+ out of cell/into SR
3. ICF Ca2+ levels fall below "critical level"

Question

1. Ca2+ channels close when stimulus stops
2. Ca2+ ATPase pumps Ca2+ out of cell/into SR
3. ICF Ca2+ levels fall below "critical level"

Emma Grace Goldman · Accepted Answer

steps to remove Ca2+ from ICF in smooth m contraction (3)

1. Ca2+ channels close when stimulus stops 2. Ca2+ ATPase pumps Ca2+ out of cell/into SR 3. ICF Ca2+ levels fall below "critical level"