Anatomy and Physiology Online Practice B

1. Which of the following pituitary hormones stimulates the process of gametogenesis?

D.Follicle-stimulating hormone

2. Which of the following mediates the body's response to stress?

A. Cortisol

3. Which of the following structures of the cell contains hereditary information and genetic material?

A.Nucleus

4. When blood leaves the left ventricle of the heart, which of the following structures does it enter next?

A. Aorta

5. Which of the following terms identifies the body fluid that lies within the cells?

D. Intracellular fluid

6. The hip joint is an example of which type of joint?

D. Pivot

7. Which electrolyte level must be sufficient for prothrombin to be converted to thrombin?

A. Calcium

8. Which of the following parts of the central nervous system is responsible for the control of involuntary respirations?

A. Medulla oblongata

9. Production of which of the following is a function of the prostate gland?

C. Fluid to enhance sperm motility

10. Which of the following components are found in the channels of the cell membrane?

A. Proteins

11. Which of the following types of cells release histamine in response to allergens?

C. Mast cells

12. Which of the following terms identifies the force exerted by the blood against the walls of the blood vessels?

B. Blood pressure

13. Which product is the result of cellular respiration?

D. Adenosine triphosphate

14. Which of the following is a type of connective tissue?

C. Blood

15. Where are nutrients absorbed to be transported into the bloodstream?

D. Small intestine

16. Which of the following valves prevents backflow of blood from the right ventricle into the right atrium of the heart?

B. Tricuspid

17. Which of the following processes is used to transport water and small solute particles through a membrane from a high-pressure area to a low-pressure area?

A. Filtration

18. Which of the following is the hormone that regulates urine output?

B. Antidiuretic

19. Which of the following functions is associated with the dermal layer of the skin?

A. Collagen formation

20. Which of the following glands is responsible for secreting epinephrine and norepinephrine that help in the "fight or flight" reaction?

C. Adrenal medulla

21. Breastfeeding provides which of the following types of immunity for an infant?

D. Natural passive

22. Which of the following blood types is identified as the universal donor?

A. negative

23. A normal adult bladder has the capacity to hold up to how many mL of urine before involuntary micturition is likely to occur?

C. 600

24. Which of the following hormones is secreted by the posterior pituitary gland?

D. Antidiuretic hormone

25. Which of the following is the average length of the female urethra?

A. A. 2.5 to 3.8 cm (1 to 1.5 in)

26. Which of the following tissues attaches muscle to bone?

B. Tendon

27. Which of the following statements about lymph circulation in the human body is accurate?

A. The movement of lymph in the lymphatic vessels goes one way only.

28. Which of the following describes the anatomical region that contains palatine tonsils and lymph nodes?

C. Oropharynx

29. Which of the following is a solution containing a salt concentration lower than the concentration in red blood cells?

A. Hypotonic

30. Which of the following describes the function of the pyloric sphincter?

C. Control passage of chyme from the pylorus to the duodenum.

31. Which of the following is the correct order of the protective meningeal layers of the brain from inside to outside?

C. Pia mater, arachnoid, dura mater

32. Which of the following antibody types mediates the body's response to an allergen?

C. IgE

33. Which of the following statements accurately describes the pericardium?

A. It consists of two layers of fibrous tissue with a small space in between them.

34. Which of the following processes is the result of mitosis?

A. Tissue repair

35. Which of the following processes is the first step in urine formation?

A. Filtration

36. Which of the following structures is located between the descending colon and the rectum?

A. Sigmoid colon

37. Hematopoiesis occurs in which of the following structures?

D. Bone marrow

38. Which of the following is a result of stimulation of the sympathetic nervous system?

B. Increased cardiac output

39. After passing through the glottis, inspired air travels through which of the following structures next?

A. Larynx

40. Which of the following is a structure of the inner ear?

B. Cochlea

41. Which of the following terms describes myocardial relaxation during the cardiac cycle?

C. Diastole

42. Which of the following structures is commonly referred to as the Adam's apple and is a landmark for the trachea?

D. Thyroid cartilage

43. Which of the following structures are involved in the production of renin?

B. Juxtaglomerular cells

44. Which of the following is the function of the ureters?

A. To conduct urine from the kidneys to the bladder

45. Which of the following electrolytes plays an essential role in the clotting of blood?

C. Calcium

46. Which of the following hormones stimulates the production of breast milk after delivery of the fetus?

C. Prolactin

47. Which of the following tissues connects bones to joints?

D. Ligaments

48. Which of the following is a function of the liver?

A. Lipid metabolism

49. Which of the following processes must occur for the second meiotic division of the ovum to complete?

B. Fertilization

50. Which of the following is a mechanism of heat loss that depends on evaporation?

A. Sweating

51. Which of the following hormones is produced by the thyroid gland and is active in calcium metabolism?

B. Calcitonin

52. Which of the following vessels directs blood to the lungs?

A. Pulmonary artery

53. Which of the following is associated with wound healing by primary intention?

A. Minimal scar tissue

54. Blood pH is measured by the gain and loss of which of the following?

D. Hydrogen

55. Which of the following terms describes the exchange of air between the atmosphere and the alveoli?

A. Ventilation

56. Which of the following structures will develop if the process of collagen formation is not inhibited?

A. Keloid

57. Which of the following is responsible for the skin coloration of a suntan?

C. Melanin

58. Which of the following bones is a component of the appendicular skeleton?

B. Symphysis pubis

59. Which of the following is a by-product that is produced as the result of oxygen debt?

A. Lactic acid

60. Which of the following structures of the respiratory system is the site of gas exchange?

B. Alveoli