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CDB Flashcards > Excitability & Refractory Periods > Flashcards

Excitability & Refractory Periods Flashcards

1
Q

At the end, some Na+ inactivation channels start to open

AP cannot be CONDUCTED

A

EFFECTIVE REFRACTORY PERIOD (ERP)

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2
Q

AP can be conducted & generated but higher-than-normal stimulus is required

A

RELATIVE REFRACTROY PERIOD (RRP)

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3
Q

All Na+ inactivation gates are open & membrane potential is higher than RMP (nearer to threshold)

Cell is more excitable than normal

A

SUPRANORMAL PERIOD (SNP)

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4
Q

All Na+ inactivation gates close

AP cannot be GENERATED

A

ABSOLUTE REFRACTORY PERIOD (ARP)

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CDB Flashcards (29 decks)

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