1. Triglycerides:
a. are steroid lipids.
b. have a phosphorus-containing unit on one end.
c. have two fatty acids.
d. have three fatty acids.

2. A patient has been diagnosed with having irreversible kidney failure (ESRD). Which system of the body is "primarily" involved in this condition?
a. Urinary system
b. Integumentary system
c. Respiratory system
d. Cardiovascular system

3. Which enzyme is produced by the salivary glands and begins the chemical digestion of carbohydrates?
a. Salivary amylase
b. Salivary maltase
c. Salivary sucrase
d. Salivary lactase

4. Which of the following is the system that has a secondary function of storing calcium and phosphorus for the body.
a. Integumentary system
b. Skeletal system
c. Muscular system
d. Nervous system

5. Each testis is surrounded by a tough, whitish membrane called the:
a. scrotum.
b. seminiferous tubule.
c. tunica albuginea.
d. interstitial cells.

6. There are __________ thoracic vertebrae.
a. 5
b. 7
c. 12
d. 1

7. Acids have:
a. a pH less than 7.
b. more H+ ions than OH- ions.
c. more OH- than H+ ions.
d. both a and b

8. The body's heaviest organ is the:
a. liver.
b. brain.
c. large intestine.
d. skin.

9. Decrease in the size of individual cells is called:
a. hypertrophy.
b. atrophy.
c. hyperplasia.
d. anaplasia.

10. The last part of the respiratory tree is the:
a. bronchioles.
b. alveoli.
c. alveolar sacs.
d. alveolar ducts.

11. Which of the following systems contains the body's heaviest organ?
a. Integumentary system
b. Skeletal system
c. Muscular system
d. Nervous system

12. After ovulation, the ruptured follicle is transformed into the hormone-secreting structure called the:
a. corpus luteum.
b. antrum.
c. graafian follicle.
d. granulose cells.

13. An eye refractive surgery procedure often used to correct myopia is called:
a. AMD.
b. PRK.
c. LASIK.
d. acuity.

14. The opposite term for superficial is:
a. deep.
b. interior.
c. posterior.
d. medial.

15. Which structure is not part of the lymphatic system?
a. Tonsils
b. Spleen
c. Thymus gland
d. Pancreas

16. "ABCDE" is an acronym used to describe which of the following?
a. Degree of burns
b. Allergies
c. Key characteristics of melanoma detention
d. Burn area

17. Which of the following bones does not contain a paranasal sinus?
a. Ethmoid
b. Mandible
c. Maxilla
d. Frontal

18. Urinalysis can be used to help diagnose diabetes mellitus.
a. True
b. False

19. The myocardium is not a working part of the heart.
a. True
b. False

20. Which of the following is not a white blood cell?
a. Neutrophil
b. Thrombocyte
c. Lymphocyte
d. All of the choices apply

21. A group of cells that act together to perform a function is called a(n):
a. molecule.
b. organ.
c. tissue.
d. organism.

22. Which of the following is not an epithelial membrane?
a. Cutaneous
b. Mucous
c. Synovial
d. Serous

23. The following muscle is classified as a flexor of the thigh:
a. Iliopsoas.
b. Gluteus maximus.
c. Rectus femoris.
d. Peroneus group.

24. Which blood vessel muscle layer is usually thicker in the arteries than in veins?
a. Tunica media
b. Tunica intima
c. Tunica externa
d. Endothelium

25. The source of lymph is blood plasma.
a. True
b. False

26. Like most arteries, the aorta carries blood that is rich in oxygen.
a. True
b. False

27. The P wave in an electrocardiogram results from:
a. depolarization of the ventricles.
b. depolarization of the atria.
c. repolarization of the ventricles.
d. repolarization of the atria.

28. The lining of the mouth is an example of a __________ membrane.
a. mucous
b. serous
c. cutaneous
d. synovial

29. Cells are:
a. more complex than tissues.
b. the first level of organization in the body.
c. the smallest living units of structure and function in the body.
d. both the first level of organization in the body and the smallest living units of structure and function in the body.

30. The two major functions of the respiratory system are gas exchange and air distribution.
a. True
b. False

31. Which of the following is not part of the lower respiratory tract?
a. Trachea
b. Larynx
c. Bronchi
d. Lungs

32. A depressed skin level that shows loss of tissue is called:
a. atrophy.
b. pressure.
c. blister.
d. cyanosis.

33. Another name for the latent stage in an infectious disease is the __________ stage.
a. etiology
b. communicable
c. incubation
d. pathogenic

34. The pH of blood must stay:
a. slightly acid.
b. neutral.
c. slightly basic.
d. moderately acid.

35. The heart is located in the mediastinum.
a. True
b. False

36. Which bone is not part of the hard palate?
a. Mandibular bone
b. Maxillary bone
c. Palatine bone
d. All of the choices apply

37. The desirable body-fat percentage for women is:
a. 20% to 22%.
b. 22% to 24%.
c. 26% to 30%.
d. 24% to 26%.

38. Which of the following is the system that regulates body functions rapidly but its effects last for a short duration?
a. Integumentary system
b. Skeletal system
c. Muscular system
d. Nervous system

39. Which of the following is the system that regulates body functions slowly but its effects are long lasting?
a. Integumentary system
b. Skeletal system
c. Muscular system
d. Nervous system

40. A screening process in which cell markers in a donated organ or tissue are identified so that they can be matched to recipients is called:
a. rejection reaction.
b. tissue typing.
c. antigens.
d. blood donation.