you go diving and hold Blood Oz levels b. Blood N, levels . Blood CO, levels wha
ID: 3472512 • Letter: Y
Question
you go diving and hold Blood Oz levels b. Blood N, levels . Blood CO, levels wha you go dving and hold your breath,c your breath, changes in the levels of which of the following force you to inhale? d. If the blood becomes basic e. All of the above answers are correct Tidal volume is decreased . decreased alveoli surfactant. decreased elasticity of the lungs. by astruction of the bronchioles by emphysema. e. all of the above. a. It is the voice box riction of the bronchioles by asthma. 1p What is the role of the pharynx? b. Ie is the site of red blood cell production To connect the mouth directly to the lungs d To provide gas exchange with body tissues . To act as a pathway for CO, to leave the body 13. Breathing increases during exercise because a. there is an increase in plasma pH. b. there is an increase in plasma CO c. inhibitory neurons in the cortex become inhibited. d. inspiratory neurons in the cortex become activated. e. the body rapidly uses up O, which decreases to 25 mm Hg in venous blood. 14. Why can a small plane fly close to 10,000 feet without having to pressurize the cabin? a. Hemoglobin will still be 90% saturated with b. Blood levels of CO: will rapidly decrease with altitude. c. The movement of the airplane through the sky will force air into the lungs d. All of the above are reasons. e. None of the above is a reason. 5. Which of the following O cO, levels are cypically found in aortic blood calues are expressed in mm Hg) lá l it possible for patients who suffer a severe trauma in their cerebral cortex to continue to breathe normally?) . Which of the following is not a normal physiolegic function of the respiratory system? ly found in aortic blood (values are expressed in mm Hg)? d. 40:45 e. 40:104 a. 160:0.3 b40:160 c. 104:40 2 Yes, as long as the brainstem is intact. b. No, breathing is directly controlled in the cerebral cortex a. Speech b. Regulation of blood pH c. Providing O2 to tissues d. Removing CO, from tissues e. Regulation of plasma volume kh of the following is the correct path that CO, must take to leave the body through the lungs? . Alveoli cell- meta-arteriole cell - lung lumen b. Alveoli cell -capillaryc reoli cell - capillary cell (no basement membranes involved) lary cell - alveoli cell (no basement membranes involved) spillary endothelial cell - capillary basement membrane- alvroli busement membrane- alveolicel k removal of surfactant. b relaxing the diaphragm. alveoli basement membrane -capillary basement membrane - capillary endothelial cell e. Capillary . Laing volume is decreased by d. decreasingbose are correct the volume of the thoracic cavity d. decreasing e. all of the above are correct 873 Chapter 22-The Respiratory System puncturing the pleural spaceExplanation / Answer
10).c. blood CO2 level
11) e. All of the above
12) d. To provide gas exchange with body tissues
13) d. Inhibitory* neurones in the cortex becomes activated
14)d all of the above are the reasons
15)d.40:45
16) a
17) e. Regulation of plasma volume
18) d
19) e
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