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MRCOG PART 1 - PHYSIOLOGY

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Neuromuscular physiology

Neuromuscular physiology Posted by Farrukh G.

Question

 

 

The plateau in the action potential of cardiac muscle is due to

 

Inhibition of Na+/K+ ATPase

 

Activation of slow voltage gated calcium-sodium channels               

 

Activation of voltage-gated K+ channels

 

Activation of the Na+ / H+ exchanger

 

Inhibition of the Na+ / H+ exchanger

Posted by Farrukh G.

Correct answer = B

 

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