Anemia is caused by a defective gene resulting in abnormal hemoglobin: a. Hemorrhagic anemia b. Aplastic Anemia c. Pernicous Anemia d. Sickle Cell Anemia Which of the following has the function of defending against parasites? a. Erythrocyte b. Basophil c. Neutrophil d. Lymphocyte e. Eosinophil Blood clotting is dependent upon: a. Vitamin A b. Vitamin D c. Vitamin E d. Vitamin K e. Vitamin C Which of the following is involved in blood clotting? a. Erythrocyte b. Basophil c. Neutrophil d. Thrombocyte e. Eosinophil An excessive production of erythrocytes: a. Hemorrhagic anemia b. Polycythemia c. Pernicous anemia d. Sickle cell anemia