Regarding the nerve fibre action potential, which statement is INCORRECT?

Question

TuteeHUB · Accepted Answer

firing level (threshold) is at about -55mV

TuteeHUB · Answer

does not involve calcium ions

TuteeHUB · Answer

after-depolarisation commences when repolarisation is 70% complete

TuteeHUB · Answer

total number of ions involved is minute compared to the total number present

TuteeHUB · Answer

spike potential peaks at sodium equilibrium potential

1.	Regarding the nerve fibre action potential, which statement is INCORRECT?
A.	does not involve calcium ions
B.	after-depolarisation commences when repolarisation is 70% complete
C.	total number of ions involved is minute compared to the total number present
D.	spike potential peaks at sodium equilibrium potential
E.	firing level (threshold) is at about -55mV
Answer» E. firing level (threshold) is at about -55mV

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