3. Immediately below are the three steps involved in blood clotting. Select the
sequence of steps that reflects the proper sequence of steps required for blood clotting.
I. Thromboplastin reacts with calcium and prothrombin to form thrombin.
Vitamin K is necessary for the proper formation of prothrombin.
II. The thrombin formed acted acts as an enzyme to convert
fibrinogen to fibrin threads that eventually form the blood clot.
III. The blood platelets release a substance which is know as
thromboplastin.
a.
II, I, and III.
b.
II, III, and I.
c.
III, I, and II.
4.
Heparin sodium is used to _______________________.
a.
Stimulate the formation of red blood cells.
b.
Stimulate the clotting of the blood in people with clotting difficulties.
c.
Prevent Vitamin K from being formed and absorbed in the body.
d.
Prevent the clotting of blood in the patient and in laboratory examples.
5.
Select the side effect(s) associated with ferrous gluconate.
a.
Pernicious anemia.
b.
Black stools.
c.
Phlebitis.
d.
Hepatomegaly.
MD0806
5-13