If you were to administer an antiarrhythmic drug that was a complete sodium channel blocker, which of the following would you expect?
A) It would prevent the efflux (outflow) of calcium from within the cell.
B) It would impede the sodium-potassium pump from replacing the ions to their original locations.
C) It would cause excessive muscular contraction, because sodium is the principal cation in myofibril contraction.
D) It would prevent the development of phase 0, thereby inhibiting depolarization.
D
You might also like to view...
Which type of anemia is due to blood loss?
A. pernicious B. hemorrhagic C. hemolytic D. aplastic
What is the goal of plasmapheresis in patients who will be receiving an ABO-incompatible kidney transplant?
a. Decrease white blood cell count b. Decrease hemagglutinin titers c. Increase haptoglobin d. Increase hemoglobin
Billing for separate services that are included in a single procedure code is known as downcoding.
Answer the following statement true (T) or false (F)
Territoriality indicates the amount of space an individual needs to feel comfortable with others
a. True b. False Indicate whether the statement is true or false