Answer 5

5.  Choice A is the correct answer.  Von Willebrand's disease allows platelet adhesion and carries factor VIII in the plasma.  PTT and bleeding times are usually abnormal.  Patients usually do not have muscular bleeds.

Question 5

5.  Which of the following is true regarding von Willebrand's Disease?

A.  It allows platelet adhesion and carries factor VIII in the plasma
B.  Patients have a normal PTT
C.  Bleeding time is usually normal
D.  Patients have muscular bleeds

Answer 4

4.  Choice B is the correct answer.  Coumadin affects the PT.  Platelet malfunction would have increased bleeding times.  Lovenox should not affect the PT or PTT.

Question 4

4.  An isolated prolongation of PTT suggests which of the following?

A.  Coumadin Therapy
B.  Heparin Therapy
C.  Lovenox Therapy
D.  Platelet Malfunction

Answer 3

3.  Choice D is the correct answer.  PT is increased by the extrinsic pathway that coumadin works on.  PTT is affected by the intrinsic pathway that heparin works on.

Question 3

3.  Which of the following tests are used to assess platelet function?

A.  Fibrinogen

B.  PT

C.  PTT

D.  Bleeding Time

Answer 2

2.  Choice D is the correct answer.  Steroids can be given for ITP but high dose steroids are not given.  Platelet transfusions may make the situation worse.  It is autoimmune in etiology.  Definitive treatment for ITP is splenectomy.

Question 2

2.  Which of the following is not true regarding idiopathic thrombocytopenia purpura?

A.  Spontaneous remission occurs in 90% of the cases
B.  Platelet transfusions are largely ineffective
C.  Petechiae and purpura are common
D.  Treatment consists of high dose steroids and platelet transfusions

Answer 1

1.  Choice C is the correct answer.  Factors II, VII, IX, and X are Vitamin K dependent factors that are affected by coumadin.

Question 1

1.  Which of the following is not a vitamin K dependent factor?

A.  II
B.  VII
C.  VIII
D.  X