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105 Cards in this Set

  • Front
  • Back
1. Which is NOT a major function of the blood?
e. Production of oxygen
2. The normal average temperature of blood is around
b. 100.4F
3. The normal pH range for blood is
e. 7.35-7.45
4. Which of the following is not a component of blood?
c. Carbon dioxide
5. The hematocrit is composed of
c. RBC
6. How much of blood plasma is water (approximately)?
b. 91%
7. Which of the following plasma proteins plays a role in disease resistance?
b. Globulins
8. Which of the following plasma proteins plays a role in blood clotting?
c. Fibrinogens
9. A hemocrit measures
a. A. Percentage of RBC in packed blood
10. The process by which formed elements of the blood develop is called:
b. Hemopoiesis
11. A megakaryoblast will develop into
c. C. Platelet
12. During hemopoiesis, some of the myeloid stem cells differentiate into
a. Progenitor cells
13. This hormone stimulates proliferation of red blood cells in red bone marrow
a. EPO
14. How many hemoglobin molecules are in each RBC?
c. 280 million
15. Ferritin is used to
b. Store iron
16. A red blood cell’s function is
d. Gas transport
17. A red blood cell without a nucleus is called a
e. Reticulocyte
18. Which of the following is a phagocyte?
a. Monocytes
19. Which of the following reduces blood loss?
b. Platelet
20. Which of the following promotes inflammation?
d. Basophil
21. Which of the following destroys antigen-antibody complexes?
a. Eosinophil
22. Which of the following provides immune responses?
a. Eosinophil
23. Which of the following is not an agranular leukocyte?
d. Basophil
24. The process of a white blood cell squeezing between cells to exit the blood vessel is called
a. Emigration
25. Which of the following do mast cells not release?
c. Nitric oxide
26. This hormone causes the development of megakaryoblasts.
b. Thrombopoietin
27. Which methods provide hemostasis?
platelet plug formation, vascular spasm, clotting
28. Once this is formed, the intrinsic and extrinsic pathways are identical.
b. Prothrombinase
29. Which of the following clotting factors has the most to do with strengthening and stabilizing a blood clot?
d. Factor XIII
30. Considering Rh blood types, which of the below situations would result in maternal antibodies attacking the fetus?
d. Mom is Rh positive and fetus is Rh positive.
31. Which of the following opposes the action of thromboxane A2?
e. Prostacyclin
32. Which of the following is an anticoagulant?
a. Heparin
31. Which of the following opposes the action of thromboxane A2?
e. Prostacyclin
32. Which of the following is an anticoagulant?
a. Heparin
31. Which of the following opposes the action of thromboxane A2?
e. Prostacyclin
32. Which of the following is an anticoagulant?
a. Heparin
33. Which of the following cells will develop into macrophages?
c. C
34. Which of the following cells will increase the number of nuclear lobes as they age?
a. A
35. Which of the following cells is normally classified as small or large?
b. B
36. Which one is a WBC?
c. C
37. Which one is the pluripotent stem cell?
a. A
38. Which cell is the myeloid stem cell?
b. B
39. Which cell is the reticulocyte?
c. E
40. Which cell is the T lymphocyte?
b. J
41. Which cell is the natural killer cell?
e. L
42. What is this figure demonstrating?
c. Emigration
43. What does this figure represent?
d. Clot formation
44. What antibodies does a person with type O blood have in their plasma?
c. A and B
45. What antigens does a person have on their RBC if their plasma has antibody A?
b. B
1. This is the mass of tissue from the sternum to the vertebral column between the lungs.
d) Mediastinum
2. This is the layer that protects the heart.
a) Epicardium
3. To which side of the body is the apex pointed?
b) To the left
4. Which of the following consists of inelastic dense irregular connective tissue?
c) Fibrous pericardium
5. This is used to reduce the friction between membranes of the heart.
d) Pericardial (serous) fluid
6. This consists of mesothelium and connective tissue.
a) Epicardium
7. Which layer consists of cardiac muscle tissue?
c) Myocardium
8. This is used to increase the capacity of the atrium.
e) Auricle.
9. This marks the boundary between the ventricles.
e) Anterior and posterior intercentricular sulcus
10. These extend into the auricle.
a) Pectinate muscles
11. Through which structure does blood pass from the right atrium to the right ventricle?
c) Tricuspid valve
12. What types of tissue comprise the valves of the heart?
b) Dense irregular connective tissue
13. From the left ventricle, where does blood pass?
d) Aortic semilunar valve
14. In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.
e) Ductus arteriosus
16. As each ventricle contracts where does blood move?
a) Into an artery
17. As each atrium contracts where does blood move?
d) Through an atrioventricular valve
18. Which of the below valves prevents blood from flowing back from the lungs?
c) Pulmonary valve
20. In this disorder the aortic valve is narrowed.
d) Aortic stenosis
22. This heart structure carries deoxygenated blood.
c) Right atrium and ventricle
23. This vessel distributes oxygenated blood to the myocardium.
a) Coronary artery
24. Cardiac muscle fibers electrically connect to neighboring fibers by
c) Gap junctions
25. Which of the following contains the largest amount of mitochondria?
c) Cardiac muscle
27. This is a network of specialized cardiac muscle fibers that provide a path for each cycle of cardiac excitation to progress through the heart.
d) Conduction system
28. This is a the correct sequence of structures that allows the normal sequence of excitation to progress through the heart.
d) SA node, AV node, Bundle of His, Purkinje fibers
29. By comparison, cardiac muscle cells have _____________contraction plateau time than skeletal muscle cells.
b) a longer
30. This is the volume of blood ejected from the left ventricle into the aorta each minute.
a) Cardiac output
31. This term refers to the period of time during a cardiac cycle when contraction occurs and blood pressure rises.
b) systole
32. Which of these periods represents greatest cardiac output?
d) ventricular systole
33. The second heart sound represents which of the below events?
d) Semilunar valves closing
34. This part of the heart can initiate a contraction and can set a constant heart rate of about 100 beats per minute.
d) Sinoatrial node
35. Stimulation of this nerve reduces heart rate.
d) Vagus nerve
36. Which of the below reduces heart rate.
c) Increased potassium levels
37. This part of the brain regulates heart rate.
c) Medulla oblongata
38. This electrical event represents repolarization of the ventricle.
b) Twave
39. Which of the below factors would increase Stroke volume?
c) increased preload, decreased afterload, increased contractility
40. This electrical event triggers contraction of the atria.
d) P wave
41. This portion of the heart wall is responsible for the pumping action.
e) I
42. This is comprised of a thin layer of endothelium overlying a thin layer of connective tissue.
d) F
43. Which layer of the pericardium consists of dense irregular connective tissue?
b) B
44. In the diagram, where is the trabeculae carnae?
d) G
45. In the diagram, where is the coronary sulcus?
b) E
46. In the diagram, where is the left auricle of left atrium?
c) G
47. In the diagram, where is the ascending aorta?
b) B
48. In the diagram, these contain coronary blood vessels and a variable amount of fat.
d) E and I
49. In the diagram, where does the blood pass from the right atrium into the right ventricle?
b) B
50. In the diagram, where are the semilunar valves?
e) None of the above
51. In the diagram, where is the atrioventricular valve?
d) B and D
52. In the diagram, this supplies the walls of the left ventricle with oxygenated blood.
e) F
53. In the diagram, all of the following carry oxygenated blood.
d) E
54. In the diagram, where is the marginal branch?
b) B
55. In the diagram, where is the posterior interventricular branch?
d) F
58. Where in the figure does depolarization events occur?
b) 1 and 3
59. Which of the follow represents coarctation of the aorta?
a) A
60. Which of the following represents an atrial septal defect?
c) C
61. Which of the following represents the formation of the primitive heart tube?
c) C
62. Which of the following represents formation of the endocardial tubes?
b) B