Unit 3 Final Exam. Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

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1 Unit 3 Final Exam Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Several immovable joints are found in the human body. These joints are in the a. knee c. wrist b. skull d. knuckle 2. What is a typical blood pressure value for a young adult? a. 3/2 c. 120/80 b. 37ºC d. 80/ As part of an exercise experiment, you measure pulse and blood pressure before exercising. In terms of experimental design, this is done to provide a a. BMI c. normal level b. fitness level d. control 4. Which of the following structures is not part of the circulatory system? a. veins c. capillaries b. alveoli d. arteries 5. The order in which food processing occurs in most organisms, including humans, is a. ingestion, digestion, absorption, egestion b. ingestion, absorption, digestion, egestion c. absorption, ingestion, digestion, egestion d. ingestion, egestion, digestion, absorption 6. The exchange of gases takes place in the a. bronchioles c. bronchi b. alveoli d. all of the above 7. Which of the following is not an effect of alcohol consumption? a. oxygen delivery to tissues is decreased b. increased urination c. slower pulse d. all of the above are effects of alcohol 8. Choose the correct order of blood vessels used as blood leaves the heart for a systemic circuit. a. arteries, arterioles, capillaries, veins, venules b. arteries, arterioles, capillaries, venules, veins c. veins, venules, capillaries, arterioles, arteries d. arterioles, arteries, capillaries, venules, veins 9. Only one type of muscle is able to contract and relax for very long time periods without fatigue. This type of muscle is known as a. voluntary c. cardiac b. involuntary d. smooth 10. The male gonads are known as a. epididymis c. vas deferens b. testes d. ovaries 11. Which of the following is the pathway taken by food through the digestive tube? a. esophagus, stomach, large intestine, small intestine b. esophagus, stomach, liver, pancreas, small intestine. large intestine

2 c. esophagus, stomach, small intestine, large intestine d. esophagus, liver, pancreas, stomach, small intestine, large intestine 12. The structures found wherever materials transfer between the bloodstream and an organ are a. arteries c. veins b. capillaries d. alveoli 13. After urine has been formed, it is stored in the a. kidneys c. urethra b. bladder d. ureter 14. Urine is carried out of the kidney by the a. urethra c. ureter b. renal artery d. renal vein 15. Which of the following structures is not part of the excretory system? a. all of these are part of the excretory system b. kidneys c. liver d. ureter 16. The process during which the sperm cell unites with an egg cell to form a zygote is known as a. fertilization c. reproduction b. intercourse d. all of the above 17. During the process of exhaling, the a. diaphragm contracts, and the intercostal muscles contract b. diaphragm contracts, and the intercostal muscles relax c. diaphragm relaxes, and the intercostal muscles relax d. diaphragm relaxes, and the intercostal muscles contract 18. The female gonads are known as the a. uterus c. testes b. fallopian tubes d. ovaries 19. The pathway taken by air entering the lungs is a. nasal cavity, trachea, bronchi b. nasal cavity, esophagus, trachea, bronchi c. nasal cavity, trachea, esophagus, bronchi d. nasal cavity, esophagus, bronchi 20. Different tissues working together to perform a function are known as a. tissues c. organs b. cells d. organisms 21. What is/are the functions of the nasal cavity in the breathing process? a. warm and moisten the incoming air c. gas exchange b. filter the incoming air d. a and b only 22. Which of the following organs is not a part of the digestive system? a. liver c. pancreas b. kidneys d. intestines 23. The blood vessels carrying blood into the kidneys are the a. renal arteries c. renal veins b. ureters d. aortas 24. Gas exchange between the blood and air in the lungs takes place because of

3 a. diffusion c. blood pressure b. air pressure d. none of the above 25. Which of the following indicates the direction of a nerve impulse? a. axon, cell body, dendrite c. dendrite, cell body, axon b. dendrite, axon, cell body d. cell body, dendrite, axon Matching Match the digestive organ with what happens to the food in that organ. a. mouth d. large intestine b. stomach e. duodenum c. small intestine 26. absorption of water, dissolved minerals, and some vitamins 27. absorption of most nutrients 28. most chemical digestion and addition of liver and pancreatic secretions 29. physical digestion and start of carbohydrate digestion 30. start of protein digestion and absorption of some simple materials The nervous system has several divisions. Match the system with the best description. a. somatic nervous system d. central nervous system b. sympathetic nervous system e. peripheral nervous system c. parasympathetic nervous system 31. function without conscious control to prepare the body for danger 32. function without conscious control to return body to normal state after stress 33. motor neurons under conscious control 34. brain and spinal cord 35. all nerves except the brain and spinal cord Match the organ system with its major function. a. digestive e. excretory b. circulatory f. locomotion c. respiratory g. endocrine d. reproductive h. nervous 36. removal of wastes 37. transportation of nutrients, gases, and wastes 38. chemical regulation of body activities 39. movement of the body 40. breakdown of food 41. gas exchange There are many diagnostic tools available to medical specialists. Match the tool to the clue provided. a. X-ray e. endoscope b. CT scan f. sphygmomanometer c. nuclear imaging g. ECG d. MRI h. spirometer

4 42. detects high blood pressure 43. provides non-invasive information about structure and function 44. provides minimally-invasive and detailed view of body structure 45. provides 3-D structural information 46. shows heart rate and rhythm 47. measures air exchanged during breathing When recording normal levels for body system activity, it is important to use the correct units. Match the unit with the measurement. a. % (percent) d. beats/min b. ºC e. breaths/min c. ph unit f. mm Hg 48. pulse 49. blood pressure 50. blood glucose 51. blood acidity 52. temperature Match each of the blood components with its function. a. plasma b. erythrocyte (red blood cell) c. leukocyte, lymphocyte (white blood cell) d. platelet 53. fights infection or provides immunity 54. initiates blood clotting 55. carries oxygen 56. acts as solvent for materials to be transported Short Answer 57. What are the major functions of the human endocrine system? ( 1mark ) 58. What is the function of motor neurons? ( 1 mark ) 59. Which two organ systems work together to allow human locomotion to take place?

5 ( 1mark ) Modified True/False Indicate whether the sentence or statement is true or false. If false, change the identified word or phrase to make the sentence or statement true. 60. Cells similar in shape and function work together as organs. 61. A compound released by one type of cell that has an effect on other cells of the body is known as a(n) enzyme. 62. The structure that prevents food from entering the trachea and getting into the lungs is the larynx. 63. The contraction phase of the heart is known medically as diastole. 64. The maintenance of a healthy balance of all chemical reactions in an organism is known as negative feedback. 65. In humans, the heart, blood vessels, and blood make up the cardiovascular system. 66. The function of most of the small intestine in humans is absorption. 67. Cellulose found in plant cell walls is important for proper function of the large intestine. Cellulose in the diet is called fibre. 68. Each kidney is made up of approximately one million microscopic tubules called nephrons. 69. The system responsible for chemical regulation of body activities is the nervous system. 70. Gas exchange takes place in millions of tiny structures known as bronchioles. 71. During exercise, the heart rate increases and the blood pressure decreases. 72. To listen to the sounds of the heart, a doctor uses a(n) electrocardiograph.