Blood

21) Blood normally clots in approximately ________. A) 1 minute B) 3 to 6 minutes C) 5 to 10 minutes D) 15 minutes E) 30 minutes

3 to 6 minutes

3) Each hemoglobin molecule is able to transport ________ molecules of oxygen. A) 1 (one) B) 2 ( two) C) 3 (three) D) 4 (four)

4 (four)

1.) Normal blood pH falls in a range between ________ to ________. A) 7.1; 7.2 B) 7.35; 7.45 C) 7.6; 7.75 D) 7.85; 8.05

7.35; 7.45

9) The ABO blood groups are based on two antigens: antigen ________ and antigen ________. A) A; B B) A; O C) AB; O D) B; O

A; B

10) The blood type that contains both antigens A and B is ________. A) AB B) A C) B D) O

AB

11) A person with type B blood can receive blood from blood type(s) ________. A) AB, B B) B, O C) A, B, AB, O D) B, O, AB

B, O

22) Molly has blood type A and her daughter has blood type B. Why can't Molly donate blood to her daughter? A) Blood types A and B will coagulate during a transfusion. B) Mothers cannot donate blood to their daughters. C) Blood type B contains anti-A antibodies, which will agglutinate with type A blood. D) Blood transfusions cannot be performed among relatives. E) Only fathers can donate blood to their daughters.

Blood type B contains anti-A antibodies, which will agglutinate with type A blood.

16) White blood cells differ from red blood cells because only they contain ________. A) a biconcave shape B) a nucleus and most organelles C) the ability to transport both oxygen and carbon dioxide D) the iron-containing molecule called hemoglobin E) cytoplasm

a nucleus and most organelles

8) When antibodies bind to antigens on foreign blood types, clumping or ________ occurs. A) coagulation B) hematopoiesis C) agglutination D) alkalosis

agglutination

7) Substances that the body recognizes as foreign are called ________. A) antigens B) antibodies C) formed elements D) megakaryocytes

antigens

23) Which blood type(s) can a person with blood type O receive? A) blood type A B) blood type B C) blood type AB D) blood type O E) blood types A, B, AB, or O

blood type O

24) Which of these blood types carries no antigens? A) blood type A B) blood type B C) blood type AB D) blood types A, B, and AB E) blood type O

blood type O

20) Which one of the following represents the proper sequence of hemostasis? A) platelet plug formation, coagulation, vascular spasm B) vascular spasm, coagulation, platelet plug formation C) coagulation, vascular spasm, platelet plug formation D) vascular spasm, platelet plug formation, coagulation E) coagulation, platelet plug formation, vascular spasm

coagulation, platelet plug formation, vascular spasm

4) The process by which white blood cells travel through the wall of blood vessels is termed ________. A) diffusion B) diapedesis C) filtration D) chemotaxis

diapedesis

14) Which formed element is the most abundant in blood? A) erythrocyte B) eosinophil C) platelet D) basophil E) lymphocyte

erythrocyte

17) The two major groups of white blood cells are ________. A) leukocytes and erythrocytes B) platelets and megakaryocytes C) neutrophils and basophils D) granulocytes and agranulocytes E) granulocytes and leukocytes

granulocytes and agranulocytes

2) The percentage of erythrocytes in blood is known as the ________. A) hematocrit B) buffy coat C) hemoglobin D) plasma

hematocrit

13) The condition in which maternal antibodies cross the placenta and destroy the baby's RBCs is called ________. A) hemophilia B) thrombus C) hemolytic disease of the newborn D) physiologic jaundice

hemolytic disease of the newborn

6) Hereditary bleeding disorders that result from lack of clotting factors are referred to as ________. A) petechiae B) hemophilia C) aplastic anemia D) thrombocytopneia

hemophilia

5) The process by which bleeding is stopped is called ________. A) hematopoiesis B) erythropoiesis C) homeostasis D) hemostasis

hemostasis

18) Low levels of oxygen in the blood stimulate the release of erythropoietin by the ________. A) stomach B) pancreas C) kidneys D) hypothalamus E) spleen

kidneys

15) Erythrocytes ________. A) possess lobed nuclei and cytoplasmic granules B) lack a nucleus and most organelles C) are the least common of all formed elements D) travel by diapedesis through the walls of vessels E) clot blood

lack a nucleus and most organelles

12) If you carry the Rh antigen, you are referred to as Rh ________. A) positive B) sensitive C) negative D) compatible

positive

19) The average functional lifespan of an RBC is ________. A) 20-30 days B) 50-75 days C) 100-120 days D) one year E) the body's lifetime

100-120 days