GMS 6530 PS4 EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE

GMS 6530 PS4 EXAM ACTUAL QUESTIONS AND ANSWERS

WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE

fast inactivation of a Na channel is accomplished through which mechanism?



-binding of K

-large-scale conformation change

-channel internalization

-protein binding

-movement of the inactivation gate

movement of the inactivation gate

the electrical impulse responsible for cardiac contraction begins in what

location?



-atria

-AV node

-SA node

-purkinje fibers

-ventricles

SA node

which type of arrhythmia features the least control of heart contractions?



-bradycardia

, -tachycardia

-fibrillation

fibrillation

which mechanism of arrhythmia is triggered by the ANS?



-enhanced normal automaticity

-early afterdepolarizations

-delayed afterdepolarizations

enhanced normal automaticity

a Ca channel blocker would be expected to alleviate which mechanism of

arrhythmia?



-enhanced normal automaticity

-abnormal automaticity

-early afterdepolarizations

-delayed afterdepolarizations

delayed afterdepolarizations

which type of arrhythmia would appear on an ECG as a large downward peak

occurring before any upwards peaks?



-premature ventricular beat

-atrial fibrillation