Anticoagulants

Excessive hemorrhaging is protected against by normal:

• hemostasis

• metabolism

• blood clotting

• use of aspirin

Which of the following agents is classified as an anticoagulant?

• Heparin

• Premarin

• Haloperidol

• Hydroquinone

Blood clotting occurs in a series of steps known as a(n):

• thrombi

• cascade

• clotting factor

• waterfall

Medications that prolong bleeding time and help to prevent harmful clots are known as:

• thrombolytics

• anticoagulants

• coagulants

• antiplatelets

Heparin is not measured in milligrams but in:

• international untis

• micrograms

• grains

• cubic centimeters

While the major adverse effect of heparin therapy is hemorrhage, another adverse effect involves blood pooling in the skin, which is called:

• hematopoiesis

• hemarthrosis

• subdural hematoma

• ecchymosis

The oral anticoagulant of choice is:

• ticlopidine

• ow-molecular-weight heparin

• warfarin

• standard heparin

Besides aspirin, the preferred antiplatelet agent is:

• ticlopidine

• abciximab

• acetaminophen

• clopidogrel

Antiplatelet agents may prevent arterial thrombosis, myocardial infarction, or:

• stroke

• kidney failure

• hemorrhage

• perfusion

Warfarin is an antagonist of vitamin:

• B

• C

• K

• A