4. What is polycythemia?
a) venous hemocrit of over 65 %
b) venous hemocrit of over 60 %
c) venous hemocrit of over 55 %
d) venous hemocrit of over 50 %

5. In ABO hemolytic disease phototherapy is started immediately if the bilirubin level exceed:
a) 10 mg/dl at 12 hours
b) 11 mg/dl at 12 hours
c) 10 mg/dl at 18 hours
d) 12 mg/dl at 24 hours

6. A neonate was born from the 1st gestation on term. The jaundice was revealed on the 2nd day of life, then it became more acute. The adynamia, vomiting and hepatomegaly were observed. Indirect bilirubin level was 275 mmol/l, direct bilirubin level – 5 mmol/l, Hb- 150 g/l. Mothers blood group- O(I),Rh+, childs blood group- A(II),Rh+. What is the most probable diagnosis?
A. Hepatitis
B. Physiological jaundice
C. Hemolytic disease of the neonate ( ABO incompatibility), icteric type
D. Hemolytic disease of the neonate ( Rh- incompatibility )
E. Jaundice due to conjugation disorder