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## Multiple Choice Questions 110. The following persons will be considered qualified to donate blood: - a. 28 year old footballer - b. 67 year old with uncontrolled diabetes on human insulin - c. 12 year old weighing 50kg - d. 45 year old who had jaundice a week ago - e. 30 year...

## Multiple Choice Questions 110. The following persons will be considered qualified to donate blood: - a. 28 year old footballer - b. 67 year old with uncontrolled diabetes on human insulin - c. 12 year old weighing 50kg - d. 45 year old who had jaundice a week ago - e. 30 year old who was transfused with whole blood one week ago 111. Ethylene diamine tetra acetic acid (EDTA) bottle: - a. is used in routine haematology laboratory for coagulation studies - b. chelates iron and as such prevents blood from clotting - c. blood to anticoagulant ratio is 9:1 - d. it is ideal for a full blood count - e. is not used in routine haematology laboratory 112. Variables that can affect haemoglobin concentration include: - a. Sex which shows higher haemoglobin concentration in females - b. pregnancy which results in increased haemoglobin level because of increased plasma volume - c. Neonates have lower haemoglobin levels than adults - d. altitude which increases haemoglobin level because of increased release erythropoietin from the bone marrow. - e. smoking which decreases haemoglobin level 113. The following is a feature of iron deficiency: - a. Koilonychia - b. Splenomegaly - c. Jaundice with a greenish tinge - d. Degeneration of the spinal cord - e. Spinal bifida 114. Which of the following is not a cause of [missing word]: - a. Severe burns - b. Snake bite - c. Retained product of conception - d. Iron deficiency - e. Cancer 115. Which of the following match is incorrect: - Factor I is Fibrinogen - Factor III is Tissue factor - Factor XII is Hageman factor - Factor VIII is an Antihaemophilic factor - Factor V is Proconvertin 116. Erythrocyte sedimentation rate (ESR): - a. measures the sedimentation of red cells in anticoagulated blood standing for 1 hour - b. it markedly decreases in severe anaemia - c. it is decreased by inflammation - d. red cell sedimentation is not influenced by rouleaux formation - e. it is increased markedly by polycythaemia 117. Common causes of massive splenomegaly may include: - a. Iron deficiency anemia - b. Hyperreactive malaria splenomegaly syndrome - c. Multiple myeloma - d. Sickle cell anemia - e. Haemophilia 118. First generation tyrosine kinase inhibitors include: - a. Nilotinib - b. Dasatinib - c. Imatinib - d. Bosutinib - e. [missing word] 119. In laboratory diagnosis of Megaloblastic anaemia: - a. Serum Vit B12 is low - b. The blood film shows microcytosis - c. Plasma hepcidin is elevated - d. There is marked reticulocytosis - e. There is rouleaux formation 120. Crossmatching in blood transfusion: - a. is not necessary for blood transfusion - b. There is no need for antihuman globulin (AHG) reagent - c. Involves detecting agglutination of donor red cells by antibodies in recipients plasma or serum - d. is carried out at minus 4 degrees Celsius. - e. Requires anti-sera A or B 121. Stem cell transplantation (SCT): - a. Involves intravenous infusion of stem cells - b. Involves a major surgical operation - c. Is not useful in patients with defective bone marrow - d. Typically has no side effects - e. Is only important in the treatment of cancers