Straighterline A&P II Quiz 1 with Complete Solutions

Straighterline A&P II Quiz 1 with Complete Solutions In which of the following situations might Rh incompatibility develop? a. Mother is Rh negative; fetus is Rh negative b. Mother is Rh positive; father is Rh positive c. Mother is Rh negative; fetus is Rh positive d. Mother is Rh positive; fetus is Rh negative e. Mother is Rh positive; fetus is Rh positive -Answer-c. Mother is Rh negative; fetus is Rh positive The hematocrit is a. an estimate of blood flow/hour. b. the number of WBCs per mm3. c. the amount of hemoglobin by weight in the blood. d. the percentage of RBCs in a given volume of blood. e. the number of RBCs in the body. -Answer-d. the percentage of RBCs in a given volume of blood. The condition characterized by overproduction of erythrocytes is called a. anemia. b. leukemia. c. hemophilia. d. thalassemia. e. erythrocytosis. -Answer-e. erythrocytosis. What vitamin is necessary to produce many clotting factors in the liver? a. vitamin C b. vitamin K c. vitamin D d. vitamin B3 -Answer-b. vitamin K Hemolytic disease of the newborn (HDN) occurs when a. an Rh-positive woman is carrying an Rh-positive fetus. b. an Rh-positive woman is carrying an Rh-negative fetus. c. an Rh-negative woman is carrying an Rh-negative fetus. d. an Rh-negative woman is carrying an Rh-positive fetus. -Answer-d. an Rh-negative woman is carrying an Rh-positive fetus. An increased amount of heparin in the blood might a. speed up the clotting process. b. prevent clotting process. c. helps to coagulate the blood. d. enhance the clotting process. e. have no effect on the clotting process. -Answer-b. prevent clotting process. Which blood component is NOT correctly matched with its function? a. erythrocytes - transport oxygen b. leukocytes - protect against disease c. platelets - phagocytize bacteria d. plasma proteins - maintain blood osmotic pressure; involved in clotting e. monocytes - become macrophages -Answer-c. platelets - phagocytize bacteria Iron a. is needed to produce hemoglobin. b. is a plasma coagulation factor. c. is the binding site for carbon dioxide on the hemoglobin molecule. d. prevents carbon monoxide from binding to hemoglobin. e. interferes with the normal function of hemoglobin. -Answer-a. is needed to produce hemoglobin. The combination of hemoglobin and carbon dioxide is a. carboxyhemoglobin. b. oxyhemoglobin. c. deoxyhemoglobin. d. carbaminohemoglobin. -Answer-d. carbaminohemoglobin. Macrophages are derived from a. neutrophils. b. lymphocytes. c. monocytes. d. basophils. e. eosinophils. -Answer-c. monocytes. A person with type O blood should receive a blood transfusion from a donor with a. type A blood. b. type B blood. c. type O blood. d. type AB blood. e. any type of blood. -Answer-c. type O blood