Heme

Question 1

What are the vitamin k dependent factors?

Answer 1

II, VII, IX, X

Question 2

In Vit K deficiency bleeding of the newborn, which labs will be abnormal? (Choose all that apply)
A) PT
B) Fibrinogen
C) PTT
D) platelets
E) proteins C and S

Answer 2

A, C, E

PT most affected, PTT affected when severe

Question 3

Which thrombophilia is most likely to cause arterial thrombi?
A) protein C deficiency
B) anti-phospholipid antibody syndrome
C) catheter induced thrombi
D) von willibrand

Answer 3

B. Other more likely to cause venous embolism. Anti-phospholipid can cause either. Most common arterial thrombi are in the brain (CVA)