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Chapter 16: Questions With Answers
Respiratory Physiology
1. The serous fluid between the pleural membranes keeps the membranes together and:
a. exchanges gases
b. creates friction
c. destroys pathogens
*d. prevents friction
2. In the alveoli, the partial pressures of oxygen and carbon dioxide are:
a. low Po2 and high Pco2
*b. high Po2 and low Pco2
c. high Po2 and high Pco2
d. low Po2 and low Pco2
3. Irritants on the mucosa of the larynx are removed by:
a. a deep breath
b. yawning
c. the sneeze reflex
*d. the cough reflex
4. Where does gas exchange take place?
a. Bronchioles
b. Conchae
*c. Pulmonary Capillaries
d. Roots of the Lungs
5. Which of these occur(s) during hypoxemia?
a. Increased ventilation
b. Increased production of 2,3-DPG
c. Increased production of erythropoietin
*d. all of the above
6. Hyperbaric oxygen therapy, is used to treat which common respiratory illness or injury?
a. Monoxide poisoning
b. Decompression sickness
c. Kill anaerobic bacteria
*d. All the above
7. Air enters the human lungs because.
a. atmospheric pressure is lower than the pressure inside the lungs
*b. atmospheric pressure is greater than the pressure inside the lungs.
c. although the pressures are the same inside and outside,the partial pressure of oxygen is lower within the lungs.
d. the residual air in the lungs causes the partial pressure of oxygen to be lower than it is outside.
8. This is total lung capacity
a. Vital capacity
b. Tidal volume
c. Expiratory reserve volume
d. Inspiratory reserve volume
*e. None of the above
9. Involuntary breathing is caused by the
a. Pituitary gland
b. Exocrine gland
c. Cerebral cortex
*d. Medulla oblongata
e. Endocrine gland
10. When does hyperventilation occur?
a. Too much Oxygen
b. Too much Carbon-dioxide
c. Too Little Carbon-dioxide
d. Too little Oxygen
*e. Both b & d
11. Internal respiration refers to
a. The exchange of gases between alveolar air and the blood in the lungs.
b. The movement of air into the lungs.
*c. The exchange of gases between the blood and tissue fluid.
d. Cellular respiration, resulting in the production of ATP.
12. The chemical reaction that converts carbon dioxide to a bicarbonate ion takes place in
a. the blood plasma
*b. red blood cells
c. the alveolus
d. the hemoglobin molecule
13. In humans, the respiratory center
a. is stimulated by carbon dioxide.
b. is located in the medulla oblongata.
c. controls the rate of breathing.
*d. All of these are correct.
14. A puncture wound on the right side of the chest would cause
a. both the right and left lung to collapse
b. no effect to the lungs
*c. the right lung to collapse
d. the left lung to collapse
15. What causes the lungs to not shrink completely
*a. Negative pressure between lungs and body wall
b. positive pressure between lungs and body wall
c. Anatomical dead space
d. forced expiratory volume
16. The maximum amount of air that can be expired after a maximum inspiration is
a. the tidal volume
b. the forced expiratory volume
*c. the vital capacity
d. the maximum expiratory flow rate
17. Which is a sign of carbon monoxide poisoning
a. headache
b. vomiting
c. flush cheeks
d. drowsiness
*e. all of the above
18. Monoclonal Antibodies are used for
a. rapid pregnancy tests
b. treatment of rheumatoid arthritis
c. rapid strep tests
d. treatment for psoriasis
*e. All of the above
camanda |
Latest page update: made by camanda
, Nov 21 2007, 1:19 AM EST
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