A&P Chapter 15 Review Questions

The type of leukocyte that kills invading organisms only by phagocytosis, and does not secrete enzymes, antibodies, or any other chemical defense, is the __________. a) neutrophil b) basophil c) macrophage d) lymphocyte e) eosinophil

a

A woman with anemia would have a hematocrit less than __________. a) 47% b) 37% c) 60% d) 42%

b

An increase in the number of neutrophils in the blood may indicate __________. a) anemia b) infection c) allergic reaction d) hemophilia

b

Cell types found in blood include __________. a) megakaryocytes b) eosinophils c) globulins d) macrophages e) transferrins

b

A patient's blood sample is centrifuged to separate the plasma, erythrocyte, and leukocyte fractions. Height of total blood column = 40 mm. Height of erythrocyte column = 20 mm. The blood sample most likely came from __________. a) someone with iron-deficiency anemia b) a normal female c) a normal male d) none of the above

c

Blood tests on a patient show a lower than normal hematocrit. Further blood tests reveal the presence of the parasite that causes malaria. Further tests are necessary, but this patient may have __________. a) aplastic anemia b) pernicious anemia c) hemolytic anemia d) hemorrhagic anemia e) renal anemia

c

The plasma protein that makes the largest contribution to plasma osmotic pressure is __________. a) fibrinogen b) globulin c) albumin d) plasminogen

c

Anemia can be caused by __________. a) heredity b) nutritional deficiency c) blood loss d) all of the above

d

Athletes increase hemoglobin content in their blood by __________. a) training at high altitude b) injecting red blood cells c) injecting erythropoietin d) All of the above are correct.

d

Contact of blood with collagen triggers... a) platelet aggregation b) activation of the intrinsic clotting cascade c) activation of the extrinsic clotting cascade d) both a and b e) all of the above

d

Excessive bleeding can be symptom of __________. a) hemophilia b) vitamin K deficiency c) von Willebrand's disease d) all of the above

d

The functions of globulins include __________. a) transport b) immunity c) blood clot formation d) All of the above are correct.

d

Which class of leukocytes develops into macrophages in tissues? a) neutrophils b) eosinophils c) basophils d) monocytes e) lymphocytes

d

Which of the following classes of leukocytes function in phagocytosis? a) neutrophils only b) basophils only c) lymphocytes only d) neutrophils and basophils e) basophils and lymphocytes

d

Which of the following is NOT found in plasma? a) albumin b) sodium c) glucose d) hemoglobin e) potassium

d

Which organ synthesizes new erythrocytes? a) liver b) spleen c) kidney d) bone marrow e) heart

d

Blood clot formation is inhibited by anticoagulants such as __________. a) low doses of aspirin b) high doses of aspirin c) thrombin d) plasmin e) Answers a and d are correct.

e

Both the intrinsic and extrinsic pathways of blood clot formation require _________ at some point in the pathway. a) factor X b) thrombin c) Ca2+ d) fibrin e) All of the above are correct.

e

Erythrocyte production requires __________. a) folic acid b) vitamin B12 c) iron d) vitamin D e) Answers a, b, and c are correct.

e

If the carbon dioxide concentration of blood increases, so will the __________. a) pH b) bicarbonate concentration c) oxygen concentration d) carbonic acid concentration e) Answers b and d are correct.

e

Molecules or ions found within erythrocytes include __________. a) Fe2+ b) hemoglobin c) H+ d) HCO3- e) All of the above are correct.

e

The leukocytes that participate in allergic reactions are __________. a) macrophages b) eosinophils c) basophils d) lymphocytes e) both b and c

e

The process of hemostasis involves __________. a) vascular spasm b) platelet plug c) formation of thrombus d) mobilization of macrophages e) Answers a, b, and c are correct.

e

Which of the following plasma proteins are required for the formation of a platelet plug? a) von Willebrand factor b) thromboxane A2 c) prostacyclin d) fibrin e) Answers a and b are correct.

e

Which organ(s) remove old erythrocytes from the circulation? a) bone marrow b) liver c) spleen d) kidneys e) Answers b and c are correct.

e