A newborn baby is diagnosed with a blood disorder in which her platelet count is low. Which of the following could be the reason?
a. Increased megakaryocytes
b. Increased cell division
c. Decreased thrombopoietin
d. Decreased spleen function
Answer: C
Haematology
- Which of the following types of white blood cells contain preformed granules of vasoactive amines?
- Which of the following molecules is the insoluble end product of the clotting cascade?
- A 45-year-old female undergoes splenectomy to remove a tumor. Which of the following is most likely to occur following surgery?
- The predominant phagocyte of early inflammation is the:
- After erythrocytes have circulated for about 120 days, they are removed by macrophages, which are mainly in the:
- Monocytes are blood cells that mature (differentiate) into:
- Which is not considered a leucocyte ?
- Erythropoietin is produced in the:
- In addition to playing a role in hemostasis, platelets have the ability to:
- A newborn baby has a clotting disorder that results in her body being unable to produce thrombin. Which of the following phases of platelet degranulation would be impossible?
- Which electrolyte is necessary for normal platelet function?
- Recycled iron from macrophages is delivered to the bone marrow bound to:
- Fibrinolysis is mediated by:
- Plasma proteins synthesised by lymphocytes in the lymph nodes are:
- All of the following properties allow erythrocytes to function as gas carriers except:
- A new born baby is diagnose with a blood disorder in which her platelet count is low. Which of the following could be the reason:
- During an infection, lymph nodes enlarge and become tender because:
- The greatest proportion of total body iron is located in the:
- The main function of erythrocytes (RBC) is to:
- Blood volume of an average adult is about:
- A cell that can differentiate into any tissue type is referred to as:
- A group of cells is isolated in the laboratory. The cells have membrane-bound granules in their cytoplasm, and they show phagocytic activity. Which of the following cells is most similar?
- Which of the following molecules is the insoluble end product of the clotting cascade?
- Which of the following types of white blood cells contain preformed granules of vasoactive amines?
- The chemical events common to intrinsic and extrinsic pathways begin with: