Hemato quizzes.pdf

1: Plasma is the liquid component of blood, making up 90% of blood. A) True B) False 2: The main function of blood is: A) Oxygen transport B) Supply of nutrients C) Coagulation D) Removal of waste 3: The major site f...

1: Plasma is the liquid component of blood, making up 90% of blood. A) True B) False 2: The main function of blood is: A) Oxygen transport B) Supply of nutrients C) Coagulation D) Removal of waste 3: The major site for hematopoiesis in an embryo is: A) Bone marrow B) Liver C) Yolk sac D) All of the above 4: Stem cell is also known as: A) Progenitor cell B) Unipotential cell C) Precursor cell D) Pluripotential cell 5: Formed elements in the blood consist of: A) Erythrocytes B) Basophils C) Platelets D) All of the above 6: In early childhood, the major sites of hematopoiesis are flat bones only (skull, ribs, sternum). A) True B) False 7: Extramedullary hematopoiesis happens in the reticuloendothelial system (liver, spleen, lymph nodes). A) True B) False 8: The factors that cause stem cells to be depleted: A) Ionizing radiation B) Chemotherapy C) A+B D) Growth factors 9: Proliferation and differentiation are directly influenced and regulated by growth factors. A) True B) False 10: Erythropoietin is a hormone growth factor which is made by: A) Liver B) Kidney C) Adipocytes D) Macrophages 11: What type of white blood cells have the specific function of fighting parasitic infections? A) Neutrophils B) Basophils C) Eosinophils D) Monocytes 12: What type of blood cells are elevated in allergic reactions? A) Neutrophils B) Basophils C) Lymphocytes D) Monocytes 13) Which is the largest white blood cell? A) Neutrophils B) Basophils C) Lymphocytes D) Monocytes 14: Which is the smallest white blood cell? A) Neutrophils B) Basophils C) Lymphocytes D) Monocytes 15: Which of the following is considered a Lymphocyte? A) B-cells B) T -cells C) Natural killer cells D) All of the above 16: Macrophages that are found in the liver are called: A) Histiocytes B) Kupffer cell s C) Alveolar macrophages D) All of the above 17: B-lymphocytes and T-lymphocytes are functionally similar and morphologically different: 18: An increase in neutrophil count is termed neutropenia: 19: Basophils are the most abundant leukocytes: 20: Only bacterial infections cause neutrophilia: