261. All of the following can be transmitted through blood tranfusion except ______________?
A. Malaria
B. Leukemia
C. Hepatitis

262. Erythroblastosis fetalis is a condition seen when there is________________?
A. Rh -ve mother and Rh -ve foetus
B. Rh -ve mother and Rh +ve foetus
C. Rh +ve mother and Rh -ve foetus
D. Rh +ve mother and Rh +ve foetus

263. Aplastic anemia results from______________?
A. Cytotoxic drugs
B. Whole body irradiation
C. HIV infection
D. All of the above

264. Gingiva are enlarged in leukemia because of____________________?
A. Hemophilia
B. Hemolytic anaemia
C. Aplastic anaemia
D. Megaloblastic anemia

265. A patient with a bleeding disorder with increased bleeding time and normal clotting time is suffering from________________?
A. Classic hemophilia
B. Christmas disease
C. Vitamin K deficiency
D. Idiopathic thrombocytopenic purpura

266. The protein that carries iron from the gut to the body tissues is called________________?
A. Ferritin
B. Haemosiderin
C. Myoglobin
D. Transferrin

267. A 14 year old boy complains with gingival bleeding oral ulcers, anaemia with hepatomegaly but no lymphadenopathy, total eukocyte count of one-lakh cells per mm3 is suffering from________________?
A. Acute myeloid leukemia
B. Chronic monocytic leukemia
C. Chronic lymphoblastic leukemia
D. Chronic myeloid leukemia

268. Which of the following is not true for hemophilia A ________________?
A. Hemophilia A is due to deficiency of factor VIII
B. In hemophilia A females are carriers
C. Desmopressin is useful in the management of hemophilia A
D. Levels of factor VIII less than 50% are associated with spontaneous hemorrhage

269. Normal adult hemoglobin contains________________?
A. One alpha chain and one beta chain
B. One alpha chains and two beta chains
C. One beta chains and two alpha chains
D. Two alpha chains and two beta chains

270. Reduced number of platelet is found in all the conditions except____________________?
A. Disseminated intravascular coagulation
B. Aplastic anemia
C. Acute myelocytic leukemia
D. Von willebrand disease