Anatomy and Physiology Online Practice A

1. Which of the following glands is responsible for temperature regulation?

D. Eccrine glands

2. Which of the following is a function of the gallbladder?

C. Storage of bile

3. The femur and the humerus belong to which of the following categories?

A. Long bones

4. Which of the following is responsible for the regulation of body temperature?

C.Hypothalamus

6. Which of the following statements is correct regarding parietal pleura?

A. They adhere to the wall of the thoracic cavity surrounding the lungs.

8. Which of the following actions is the stimulus for defecation?

A. Stretching of the muscles of the rectum

9. Which of the following processes describes the transport of molecules from an area of greater concentration to an area of lesser concentration?

B.Diffusion

10. Which of the following types of muscle tissue is under voluntary control?

D. Skeletal

11. Which of the following parts of the brain regulates heart rate, respiratory rate, and blood pressure?

D. Medulla oblongata

12. Which of the following is the function of surfactant in the alveoli of the lungs?

B. Prevention of alveoli collapse

13. Which of the following structures contains collagen and elastin as major proteins?

B. Dermis

15. Which of the following effects does atrial natriuretic hormone have on urine output?

A. Increased urine volume

17. Which type of fluid makes up the largest distribution of total body water?

A. Intracellular fluids

18. Which of the following structure coils represents the location where immature sperm forms?

C. Seminiferous tubules

19. Which of the following body structures has the same amount of salt as an isotonic solution?

A. Red blood cell

20. Which of the following is the mucous membrane that lines the inner surface of the eyelid and the anterior surface of the eyeball?

A. Conjunctiva

23. Which of the following structures of the gastrointestinal system absorbs vitamin B12 and bile salts?

A. Ileum

25. Which of the following cell structures provides the fluid medium required for biochemical reactions?

B. Cytosol

26. Which of the following vessels returns blood to the left atrium?

B. Pulmonary veins

27. Which of the following is a major function of the larynx?

D. Speaking

28. Which of the following is a wax-like substance secreted by glands in the external ear canal?

B. Cerumen

29. Which of the following are examples of connective tissue?

A. Cartilage and adipose

31. Which of the following structures prevents food from being aspirated into the lungs?

B. Epiglottis

33. Which process of the kidneys that takes place in the distal and collecting tubes is responsible for moving substances out of the blood and into the urine ?

A. Secretion

36. Which of the following is the iron-containing component of a red blood cell?

C. Hemoglobin

37. Calcium concentration in the blood is controlled by which of the following glands?

C.Parathyroid

38. Which of the following tissues is defined by its ability to increase tension and contract?

B.Muscle

39. Which of the following structures is involved in the development of the immune response in a newborn?

D. Thymus gland

40. Which of the following describes the event of ovulation?

C.The Graafian follicle releases an ovum.

41. Which of the following is a structure that filters foreign particles from lymphatic fluid?

B.Nodes

42. Which of the following structures will ensure the rapid spread of an impulse and synchronous contractions of ventricular muscle?

D.Purkinje fibers

43. Which of the following is the main function of the pancreas?

D. Regulates glucose levels

44. Which of the following does the respiratory system eliminate when there is an excess of hydrogen ions in the body?

B. Carbon dioxide

45. Which of the following effects is expected when renin is released from the kidney?

A. An increase in blood pressure due to widespread vasoconstriction

49. An individual with which of the following blood types can receive only blood of that same type?

A. Type O

50. Which of the following types of vertebrae provide the most support of the body weight?

A. Lumbar

51. Which of the following is the percentage of plasma in whole blood?

A. 55%

53. Which of the following might indicate a hypersecretion of thyroid hormones?

A. Weight loss

55. Testosterone production is regulated by which of the following glands?

D. Pituitary

56. Which of the following hormones controls the milk ejection reflex during lactation?

C. Oxytocin

57. In the process of wound healing, which of the following plays a role in clearing a wound of cellular debris?

D. Neutrophils

58. Which of the following blood vessels carry deoxygenated blood to the right atrium of the heart?

D. Superior and inferior vena cavae

59. Which of the following describes the path air follows on the way to the lungs?

A. Nasopharynx, oropharynx, laryngopharynx

60. Which of the following types of white blood cells enter the tissues and become macrophages?

A. Monocytes

61. Which of the following cardiac valves prevents blood from returning to the left ventricle of the heart?

D. Aortic

66. Which of the following structures comes immediately after the ascending colon?

B.Transverse colon

67. Peripheral vasodilation results in heat loss through which of the following processes?

C.Radiation

69. In which of the following organelles does cellular respiration take place?

A.Mitochondria

Which of the following occurs due to the release of antidiuretic hormone?

C. Fluid volume in the body increases.

Which of the following body functions is stimulated by the somatic nervous system?

D. Skeletal muscle movement

Which of the following actions take place during atrial systole?

The cardiac muscle in the atrial wall contracts, forcing blood through the atrioventricular valves and into the ventricles.

Which of the following steps occurs first during the process of wound healing?

A. Blood clots stop the blood loss at the injury site.

Which of the following is associated with the release of histamine?

D. Mast cells

Which of the following structures is located at the end of the ear canal and vibrates when sound waves strike it?

D. Tympanic membrane

Which part of the nephron is closest to the collecting duct?

D. Distal convoluted tubule

Which of the following is a major function of the frontal lobe?

A. Hearing

Which of the following is a site of sperm maturation in the male reproductive system?

C. Epididymis

34. An excessively high concentration of which of the following electrolytes is associated with cardiac arrhythmias?

C. Potassium

Which of the following sensors will respond immediately as a result of hemorrhage?

A. Baroreceptors

In a functioning cardiovascular system, where does the heartbeat originate?

D. Sinoatrial node

Which of the following structures is involved in the development of the immune response in a newborn?

D. Thymus gland

30. Which of the following is a major function of the frontal lobe?

B. Motor function

64. Which of the following is a role of platelets in hemostasis?

A. Formation of plugs

48. Which of the following terms identifies the volume of air that enters the lungs during quiet breathing?

A. Tidal volume

62. Which of the following is a result of the process of meiosis?

C. Sperm and ova are produced.