Question: Match each blood cell/type with its best description.
Answer: Eosinophil → allergic reactions/parasitic invaders; Monocyte → phagocytizes invaders after leaving circulation; Lymphocyte → responds to foreign invaders and produces antibodies; Erythrocyte → contains hemoglobin for gas transport; Neutrophil → phagocytizes invaders mainly in blood; Basophil → inflammation/allergic responses; Platelets → blood clotting. 2.
Question: Label each ABO blood group using the antigens and antibodies shown.
Answer: Left to right: Group A, Group B, Group AB, Group O. 3.
Question: Label the blood elements by volume in the centrifuged blood sample.
Answer: Top = Plasma; thin middle layer = White blood cells and platelets; bottom = Red blood cells. 4.
Question: Human blood is composed primarily of white blood cells and platelets.
Answer: False. 5.
Question: _____ ingest the foreign invaders found mainly in the blood.
Answer: Neutrophils. 6.
Question: Patients lacking one of the ABO type or Rh factor antigens cannot receive blood from a donor with a blood type containing that antigen.
Answer: True. 7.
Question: The formed elements of blood include _____.
Answer: All of the above. 8.
Question: Human blood is composed primarily of plasma and red blood cells.
Answer: True. 9.
Question: _____ are cell fragments that aid in the clotting process.
Answer: Platelets. 10.
Question: _____ are leukocytes with dark granules containing histamine and heparin.
Answer: Basophils. 11.
Question: _____ are proteins embedded in the surface of red blood cells.
Answer: Antigens. 12.
Question: Agglutination occurs when antibodies combine with antigens.
Answer: True. 13.