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Author Question: Place the five phases of a myocardial action potential in correct order. 1. Fast sodium channels are ... (Read 36 times)

imowrer

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on: Jul 16, 2018
Place the five phases of a myocardial action potential in correct order. 1. Fast sodium channels are inactivated 2. Cell returns to its resting state 3. Plateau phase 4. Initial rapid depolarization of myocardial tissues 5. Calcium channels close
 
  a. 1, 3, 2, 5, 4
  b. 4, 1, 3, 5, 2
  c. 1, 2, 3, 4, 5
  d. 4, 1, 2, 5, 3

Question 2

Digoxin toxicity may include which of the following manifestations? 1. Hyperkalemia 2. Premature ventricular contractions 3. Bigeminal rhythm 4. Nausea 5. Abdominal pain
 
  a. 2 and 5 only
  b. 1, 2, and 3 only
  c. 1, 2, 3, 4, and 5
  d. 1, 2, 3, and 5 only


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spencer.martell

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B

Answer to Question 2

ANS: C


imowrer

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  • Posts: 514
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

chereeb

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Reply 3 on: Yesterday
Excellent

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