A&P: Ch 13 Cardiovascular System P1
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
Bioconcave cells without a nucleus are called A) neutrophils B) monocytes C) erythrocytes D) eosinophils E) lymphocytes
c
Platelets are A) cells. B) proteins. C) cell fragments. D) nuclei. E) antibodies.
c
Red blood cell production is regulated by a hormone from the A) thymus. B) lungs. C) kidney. D) suprarenal gland. E) brain.
c
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
The clotting proteins in blood plasma are A) globulins. B) transport proteins. C) albumins. D) collagen. E) fibrinogens.
c
The least numerous white blood cells in peripheral circulation are the A) neutrophils. B) eosinophils. C) basophils. D) lymphocytes. E) monocytes.
c
Which of the following is a necessary cofactor in the formation of a blood clot? A) albumin B) fibrinogen C) calcium D) prothrombin E) vitamin K
c
Which of the following is an agranulocyte? A) erythrocyte B) WBC C) monocyte D) eosinophil E) thrombocyte
c
Which of the following represents the correct sequence of appearance for mature red blood cells? A) stem cell, erythroblast stage, proerythroblast, reticulocyte, RBC B) hemocytoblast, myeloblast, reticulocyte, megakaryocyte, RBC C) myeloid stem cell, proerythroblast, erythroblast, reticulocyte, RBC D) monoblast, promonocyte, myelocyte, band cell, RBC E) lymphoblast, proerythroblast, reticulocyte, band cell, RBC
c
________ 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
A person's blood type is determined by the A) size of the red blood cells. B) shape of the red blood cells. C) chemical character of the hemoglobin. D) presence or absence of specific molecules on the plasma membrane. E) number of specific molecules on the plasma membrane.
d
Agglutinogens of the various blood types are examples of A) antibodies. B) proteins. C) white blood cells. D) antigens. E) none of the above
d
During a viral infection, you would expect to see increased numbers of A) neutrophils. B) eosinophils. C) basophils. D) lymphocytes. E) thrombocytes.
d
Plasma is the ________ fraction of blood. A) serum. B) lymphatic fluid. C) whole blood. D) extracellular fluid. E) packed blood.
d
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
________ occur(s) where endothelial and smooth muscle cells contain large quantities of lipids. A) Clots B) Emboli C) Coagulation D) Plaques E) Stasis
d
A sample of tissue from an injury shows a large number of eosinophils. This would indicate that the tissue was A) abscessed. B) inflamed. C) being rejected. D) infected by viruses. E) infected by parasites.
e
Blood is composed of A) plasma. B) formed elements. C) blood cells. D) cell fragments. E) all of the above
e
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
Neutrophils A) are granular leukocytes. B) are phagocytic. C) have lobed nuclei. D) are active in fighting bacterial infection. E) all of the above
e
Platelets function in A) transporting chemicals important for clotting. B) forming temporary patches in injured areas. C) contraction after clot formation. D) initiating the clotting process. E) all of the above
e
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
The white blood cells that are important in leaving the blood vessels and phagocytizing large materials are A) neutrophils. B) eosinophils. C) basophils. D) lymphocytes. E) monocytes.
e
________ are large phagocytic WBCs that are "transformed" into phagocytic macrophages at the site of an injury. A) Neutrophils B) Eosinophils C) Basophils D) Lymphocytes E) Monocytes
e
Match the formed element in the first column with its characteristic in the second. 1. RBC 2. WBC 3. platelet A. anucleated and biconcave B. anucleated and a cell fragment C. nucleated and spheroid
A, C, B
Type AB blood contains A) A agglutinins on the red blood cells. B) agglutinogen A and B. C) B agglutinogens on the red blood cells. D) B agglutinins in the plasma. E) agglutinin A and B.
b
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
How would an increase in the concentration of calcium ion in the blood affect the process of hemostasis? A) Platelet plugs would fail to form. B) Coagulation would proceed more rapidly. C) Coagulation would proceed more slowly. D) Retraction would occur prematurely. E) Fibrinolysis would occur more quickly.
b
Platelets are A) giant, multinucleated cells. B) cytoplasmic fragments. C) immature leukocytes. D) both A and B E) all of the above
b
Calcium ions and ________ have an effect on nearly every aspect of the clotting process. A) vitamin K B) vitamin A C) vitamin D D) vitamin E E) thiamin
a
Plasma proteins that are necessary for blood to maintain osmotic pressure are A) albumins. B) fibrinogens. C) globulins. D) collagens. E) elastins.
a
Platelets release ________, which causes local vasoconstriction. A) serotonin B) epinephrine C) collagen D) prostaglandin E) fibrin
a
Red blood cells are stored in A) the liver. B) the thymus. C) red bone marrow. D) yellow bone marrow. E) lymph nodes.
a
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
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