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First Aid USMLE Step 1 Questions

First Aid for the USMLE Step 1 These questions compliment the book: First Aid for the USMLE Step 1. Read the book and do the questions for each chapter. Many users found this to be extremely helpful.
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Current Poll

Purkinje cells exhibit a slower diastolic depolarization and firing rate than sinoatrial (S-A) node
a. purkinje, but not S-A node cells, have a hyperpolarization-activated inward current (if).
0%
b. purkinje, but not S-A node cells, have a TTX-sensitive voltage-gated Na+ current (iNa).
0%
c. purkinje, but not S-A node cells, have a time-independent, inward rectifying current (iK1).
0%
d. purkinje, but not S-A node cells, have a voltage-gated Ca current (iCa).
0%
e. purkinje, but not S-A node cells, have a delayed rectifier, voltage-gated K current (iK).
0%
Total Votes: 0
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