Chapter 11 Multiple Choice

12) Plasma proteins that are necessary for blood to maintain osmotic pressure are A) albumins. B) fibrinogens. C) globulins. D) collagens. E) elastins.

A

15) Red blood cells are stored in A) the liver. B) the thymus. C) red bone marrow. D) yellow bone marrow. E) lymph nodes.

A

20) The function of hemoglobin is to A) carry oxygen. B) protect the body against infectious agents. C) aid in the process of blood clotting. D) carry nutrients from the intestine to the body's cells. E) all of the above

A

23) Each heme group in a molecule of hemoglobin contains ________ atom(s) of iron. A) 1 B) 2 C) 3 D) 4 E) 1/2

A

28) Having too many red blood cells is called A) erythrocytosis. B) erythropenia. C) hemocytosis. D) erythropoiesis. E) hematopenia.

A

3) The percentage of solids in a sample of human blood is normally about A) 45 percent. B) 10 percent. C) 25 percent. D) 70 percent. E) 90 percent.

A

32) This disease is characterized by an incorrect production of hemoglobin proteins. A) sickle cell anemia B) thalassemia C) hematuria D) jaundice E) aplastic anemia

A

13) The condition of cyanosis is caused by increased levels of A) carbaminohemoglobin. B) deoxyhemoglobin. C) oxyhemoglobin. D) carbon dioxide. E) carbon monoxide.

B

26) EPO is released when A) oxygen levels in the blood increase. B) oxygen levels in the blood decrease. C) carbon dioxide levels in the blood increase. D) carbon dioxide levels in the blood decrease. E) protein levels in the blood increase.

B

29) What effect would a drug that interferes with protein synthesis have on the development of red blood cells? A) Fewer cells than normal would be formed. B) The cells formed would not be able to carry as much oxygen as normal. C) The cells formed would carry larger amounts of carbon dioxide. D) The cells would be round like spheres. E) all of the above

B

8) Platelets are A) giant, multinucleated cells. B) cytoplasmic fragments. C) immature leukocytes. D) both A and B E) all of the above

B

11) The clotting proteins in blood plasma are A) globulins. B) transport proteins. C) albumins. D) collagen. E) fibrinogens.

C

17) Red blood cell production is regulated by a hormone from the A) thymus. B) lungs. C) kidney. D) suprarenal gland. E) brain.

C

18) Before red blood cells enter the bloodstream, they A) flatten. B) multiply their mitochondria. C) eject their nucleus. D) soak up oxygen. E) recycle hemoglobin.

C

19) The average life span of a red blood cell is A) 1 week. B) 1 month. C) 4 months. D) 6 months. E) 1 year.

C

21) ________ is a condition in which the oxygen-carrying capacity of the blood is reduced. A) Erythropoiesis B) Lymphopoiesis C) Anemia D) Leukopenia E) Leukemia

C

24) In adults, erythropoiesis primarily takes place in A) the liver. B) yellow bone marrow. C) the tibia. D) the spleen. E) the kidneys.

C

31) A person who lives in a city at sea level and vacations in the Rocky Mountains would experience an increase in A) the number of platelets in the blood. B) the number of lymphocytes in the blood. C) red blood cell count. D) white blood cell count. E) the density of the bone marrow.

C

5) Fresh whole blood is collected by A) arthroscopy. B) arterioscopy. C) venipuncture. D) sonography. E) venoscopy.

C

6) Which of the following is an agranulocyte? A) erythrocyte B) WBC C) monocyte D) eosinophil E) thrombocyte

C

7) A normal WBC count is about A) 1,000-2,000. B) 500-5,000. C) 5,000-10,000. D) 50,000-500,000. E) 5 million-6 million.

C

10) The chief difference between plasma and serum involves the A) amount of water. B) quantity of electrolytes. C) quantity of organic wastes. D) coagulation proteins. E) concentration of glucose.

D

14) Biconcave cells without a nucleus are called A) lymphocytes. B) neutrophils. C) eosinophils. D) erythrocytes. E) monocytes.

D

16) Stem cells responsible for the production of white blood cells originate in the A) liver. B) thymus. C) spleen. D) bone marrow. E) lymphoid tissue.

D

22) A hemoglobin molecule contains A) three protein chains, four heme groups, and two iron. B) two protein chains, two heme groups, and four iron. C) four protein chains, two heme groups, and two iron. D) four protein chains, four heme groups, and four iron. E) four protein chains, six heme groups, and two iron.

D

27) Placement of an oxygen mask on a patient could result in A) anemia. B) increased numbers of lymphocytes. C) increased erythropoiesis. D) decreased erythropoiesis. E) decreased elimination of vitamin K.

D

33) This condition results from retaining hemoglobin breakdown products in the blood. A) hematuria B) aplastic anemia C) microcytic anemia D) jaundice E) sickle cell anemia

D

4) Plasma is the ________ fraction of blood. A) serum. B) lymphatic fluid. C) whole blood. D) extracellular fluid. E) packed blood.

D

1) Functions of the blood include A) transport of nutrients and wastes. B) regulation of pH and electrolyte concentration of interstitial fluids. C) restricting fluid loss. D) body defense. E) all of the above

E

2) Blood is composed of A) plasma. B) formed elements. C) blood cells. D) cell fragments. E) all of the above

E

25) Red bone marrow is located in the A) sternum. B) ribs. C) bodies of vertebrae. D) ends of long bones. E) all of the above

E

30) A toxin that blocks the stomach's ability to release intrinsic factor would cause A) asphyxiation. B) acidosis. C) hemorrhage. D) leukemia. E) anemia.

E

9) The function of white blood cells is to A) remove carbon dioxide from active cells. B) remove nitrogenous wastes from active tissues. C) carry oxygen from the lungs to the body's cells. D) carry nutrients from the digestive system to the body's cells. E) defend the body against infectious organisms.

E