What is a shift of membrane potential toward 0 mv called? An example is the entry of sodium into the ...

What is a shift of membrane potential toward 0 mv called? An example is the entry of sodium into the cell.
 
  A) Repolarization B) Depolarization C) Action potential D) Hyperpolarization

Question 2

The watery matrix in blood is called:
 
  A) a platelet. B) hematose. C) lymph. D) plasma.

Question 3

Which of the following dosing regimens of Oxytocin is CORRECT?
 
  a. Administer 10 mg by intramuscular injection.
  b. Administer 10 units in 500cc of normal saline in order to promote delivery of the fetus.
  c. Administer 10 units IV bolus following delivery of the fetus.
  d. Administer 10 units in 500cc of normal saline titrated according to severity of bleeding and uterine response.