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Final
Student:
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1. The hip joint is a ball-and-socket joint.
True False
2. Synovial fluid moistens and lubricates the cartilaginous surfaces within a joint.
True False
3. The importance of fontanels in the infant's skull is to permit some movement of bones, thereby
enabling the infant to pass more easily though the birth canal.
True False
4. The appendicular skeleton consists of the parts that support and protect the head, neck, and
trunk.
True False
5. The tarsal bones form the wrist.
True False
6. A meniscus functions to cushion articulating surfaces of bones.
True False
7. The parietal bones meet the frontal bone along the sagittal suture.
True False
8. Osteocytes become osteoblasts when they are completely surrounded by bony matrix.
True False
9. Vitamin D is needed for the proper absorption of calcium in the small intestine.
True False
10. Osteoclasts are large cells that cause the breakdown of osseous tissue.
True False
11. A platelet plug is formed when fibrinogen is converted to fibrin.
True False
12. A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim
of the cell.
True False
13. Persons with type AB blood are sometimes called universal donors.
True False
14. Vitamin B12 is important for the production of red blood cells because it is utilized in the
synthesis of intrinsic factor.
True False
15. Heparin functions as an anticoagulant by interfering with the formation of prothrombin
activator.
True False
16. Veins function as blood reservoirs whenever blood pressure increases by venous walls
constricting.
True False
17. Venules continue from capillaries to form veins, which carry blood back to the atria.
True False
18. The SA node relays nerve impulses into the AV bundle of the interventricular septum and the
AV node is responsible for the rhythmic contractions of the heart.
True False
19. Molecules within the blood are forced out through the walls of capillaries as a result of
osmotic pressure.
True False
20. Arteries are strong, elastic vessels that carry blood to the heart.
True False
21. The movement of an egg down a uterine tube is aided by ciliary action.
True False
22. Endometriosis can result in the formation of fibrous tissue around the ovaries and can prevent
ovulation or obstruct the uterine tubes.
True False
23. FSH stimulates a primordial follicle to start the maturation process.
True False
24. The amount of testosterone produced is regulated by a positive feedback system.
True False
25. Which of the following is included in the pectoral girdle?
A. os coxa
B. sternum
C. sacrum
D. scapula
26. Red bone marrow functions in the formation of
A. red blood cells only.
B. white blood cells only.
C. red and white blood cells only.
D. red and white blood cells and platelets.
27. The degenerative joint disease osteoarthritis may develop as a result of softening of the
A. articular cartilage.
B. diaphysis.
C. epiphyseal disk.
D. periosteum.
28. An osteocyte is a
A. bone building cell.
B. bone destroying cell.
C. bone cell surrounded by matrix.
D. bone marrow cell.
29. Bone that develops between sheetlike layers of connective tissue is called
A. endochondral bone.
B. intramembranous bone.
C. cartilaginous bone.
D. osteoclastic bone.
30. Arthroscopy is a procedure used to examine the
A. heart.
B. lungs.
C. joints.
D. None of the choices are correct.
31. Most bone cancers increase the activity of
A. osteoblasts.
B. osteoclasts.
C. both osteoblasts and osteoclasts.
D. neither osteoblasts nor osteoclasts.
32. The normal white blood cell count is between
A. 500–1,000 cells per cubic millimeter of blood.
B. 5,000–10,000 cells per cubic millimeter of blood.
C. 50,000–100,000 cells per cubic millimeter of blood.
D. 500,000–1,000,000 cells per cubic millimeter of blood.
33. Sickle-cell anemia is caused by
A. a lack of dietary iron.
B. a lack of intrinsic factor.
C. an excess of hemoglobin.
D. an abnormal form of hemoglobin.
34. Platelets are best defined as
A. giant, multinucleated cells.
B. cytoplasmic fragments of cells.
C. immature leukocytes.
D. lymphoid cells.
35. The basic event in the formation of a blood clot is the change of
A. fibrinogen to fibrin.
B. fibrin to fibrinogen.
C. thrombin to prothrombin.
D. vitamin K to prothrombin.
36. Which of the following elements is included in hemoglobin molecules?
A. cobalt
B. copper
C. iron
D. iodine
37. The most active phagocytic cells among the leukocytes are
A. basophils and eosinophils.
B. neutrophils and monocytes.
C. lymphocytes and neutrophils.
D. monocytes and lymphocytes.
38. The biconcave cells in blood that lack nuclei when they are mature are the
A. white blood cells.
B. red blood cells.
C. platelets.
D. macrophages.
39. Which of the following is not a factor that seems to increase the susceptibility to
atherosclerosis?
A. diet high in unsaturated fats
B. high blood pressure
C. lack of physical exercise
D. obesity
40. Plasma proteins that remain in the blood capillaries help to
A. maintain the osmotic pressure of the blood.
B. decrease the osmotic pressure of the blood.
C. maintain the hydrostatic pressure of the blood.
D. decrease the hydrostatic pressure of the blood.
41. In an ECG pattern, the P-Q interval indicates how long it takes for the cardiac impulse to
travel from the
A. S-A node to the atrial muscle fibers.
B. S-A node to the ventricular muscular fibers.
C. A-V node to the atrial muscle fibers.
D. A-V node to the ventricular muscle fibers.
42. The term used to describe an abnormally slow heart rate is
A. tachycardia
B. bradycardia
C. fibrillation
D. cardioversion
43. Impulses carried to the heart by means of fibers that secrete acetylcholine are
A. parasympathetic impulses and cause the heart rate to increase.
B. parasympathetic impulses and cause the heart rate to decrease.
C. sympathetic impulses and cause the heart rate to increase.
D. sympathetic impulses and cause the heart rate to decrease.
44. The pain associated with the condition called angina pectoris usually is caused by an
obstruction in an artery that supplies the
A. left arm and shoulder.
B. neck and jaw.
C. heart.
D. sternum.
45. The density of capillaries within a tissue varies directly with the tissue's
A. thickness.
B. fluid content.
C. type of matrix.
D. rate of metabolism.
46. The hormone responsible for the development and maintenance of male secondary sexual
characteristics is
A. ICSH.
B. FSH.
C. testosterone.
D. gonadotropin-releasing hormone.
47. Testicular cancer is most likely to originate from
A. connective tissue cells of seminiferous tubules.
B. epithelial cells of seminiferous tubules.
C. intestinal cells.
D. mediastinal cells.
48. The tubular portion of the uterus that extends downward into the upper part of the vagina is
the
A. ostium uteri.
B. cervix.
C. perimetrium.
D. endometrium.
49. The American Cancer Society recommends that women have their breasts examined with
mammography at regular intervals after the age of
A. 15.
B. 25.
C. 35.
D. 40.
50. In the female reproductive cycle, menstrual flow occurs when the concentrations of
A. estrogen and progesterone are low.
B. estrogen and progesterone are high.
C. estrogen is high and progesterone is low.
D. progesterone is high and estrogen is low.
51. The endometrium is the inner layer of the
A. uterine tube.
B. uterus.
C. vagina.
D. labia minora.
52. The hormone mainly responsible for the development and maintenance of female secondary
sexual characteristics is
A. estrogen.
B. progesterone.
C. androgen.
D. luteinizing hormone.
53. Androgens are
A. male sex hormones.
B. female sex hormones.
C. releasing hormones.
D. all of the choices are correct.
54. In spermatogenesis, meiosis results in the formation of
A. one sperm cell with 23 chromosomes.
B. two sperm cells with 46 chromosomes each.
C. four sperm cells with 23 chromosomes each.
D. four sperm cells with 46 chromosomes each.