1. Chapter 22 - The Respiratory System
Respiratory Anatomy
Mechanisms of Breathing
Gas Exchange
Gas Transport
Control of Respiration
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FINAL ROUND

2. Respiratory Anatomy: $100 Question
Air passing from the pharynx to the trachea must pass through the:
a. nasal cavity.
b. bronchi.
c. larynx.
d. diaphragm.
ANSWER
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3. Respiratory Anatomy: $100 Answer
Air passing from the pharynx to the trachea must pass through the:
a. nasal cavity.
b. bronchi.
c. larynx.
d. diaphragm.
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4. Respiratory Anatomy: $200 Question
This structure prevents food from entering the airway.
a. Vestibular fold
b. Urula
c. Laryngopharynx
d. Epiglottis
ANSWER
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5. Respiratory Anatomy: $200 Answer
This structure prevents food from entering the airway.
a. Vestibular fold
b. Urula
c. Laryngopharynx
d. Epiglottis
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6. Respiratory Anatomy: $300 Question
The membrane that adheres to the outer surface of the lungs is the:
a. respiratory membrane.
b. visceral pleura.
c. parietal pleura.
d. mucosa.
ANSWER
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7. Respiratory Anatomy: $300 Answer
The membrane that adheres to the outer surface of the lungs is the:
a. respiratory membrane.
b. visceral pleura.
c. parietal pleura.
d. mucosa.
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8. Respiratory Anatomy: $400 Question
Which of the following delivers air to the lobes of the lungs?
a. Primary bronchi
b. Secondary bronchi
c. Tertiary bronchi
d. Terminal bronchioles
ANSWER
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9. Respiratory Anatomy: $400 Answer
Which of the following delivers air to the lobes of the lungs?
a. Primary bronchi
b. Secondary bronchi
c. Tertiary bronchi
d. Terminal bronchioles
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10. Respiratory Anatomy: $500 Question
All of the following are part of the conduction zone except:
a. main bronchi.
b. respiratory bronchioles.
c. segmental bronchioles.
d. terminal bronchioles.
ANSWER
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11. Respiratory Anatomy: $500 Answer
All of the following are part of the conduction zone except:
a. main bronchi.
b. respiratory bronchioles.
c. segmental bronchioles.
d. terminal bronchioles.
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12. Mechanisms of Breathing: $100 Question
An increase in the volume of a container filled with air would have what effect on the pressure of the container?
a. Increase the pressure
b. Decrease the pressure
c. No effect
d. A temporary effect
ANSWER
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13. Mechanisms of Breathing: $100 Answer
An increase in the volume of a container filled with air would have what effect on the pressure of the container?
a. Increase the pressure
b. Decrease the pressure
c. No effect
d. A temporary effect
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14. Mechanisms of Breathing: $200 Question
Surfactant decreases the __________ in the alveoli.
a. surface tension
b. pressure
c. compliance
d. volume
ANSWER
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15. Mechanisms of Breathing: $200 Answer
Surfactant decreases the __________ in the alveoli.
a. surface tension
b. pressure
c. compliance
d. volume
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16. Mechanisms of Breathing: $300 Question
This volume of air remains in the lungs after maximal expiration.
a. Vital capacity
b. Expiratory reserve volume
c. Tidal volume
d. Residual volume
ANSWER
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17. Mechanisms of Breathing: $300 Answer
This volume of air remains in the lungs after maximal expiration.
a. Vital capacity
b. Expiratory reserve volume
c. Tidal volume
d. Residual volume
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18. Mechanisms of Breathing: $400 Question
All of the following statements are true of inspiration except:
a. the rib cage is elevated.
b. the diaphragm is relaxed.
c. volume in the thoracic cavity has increased.
d. intrapulmonary pressure has decreased.
ANSWER
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19. Mechanisms of Breathing: $400 Answer
All of the following statements are true of inspiration except:
a. the rib cage is elevated.
b. the diaphragm is relaxed.
c. volume in the thoracic cavity has increased.
d. intrapulmonary pressure has decreased.
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20. Mechanisms of Breathing: $500 Question
Which of the following is responsible for keeping the lungs from collapsing?
a. Surfactant
b. Intrapulmonary pressure
c. Transpulmonary pressure
d. Intrapleural pressure
ANSWER
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21. Mechanisms of Breathing: $500 Answer
Which of the following is responsible for keeping the lungs from collapsing?
a. Surfactant
b. Intrapulmonary pressure
c. Transpulmonary pressure
d. Intrapleural pressure
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22. Gas Exchange: $100 Question
Which of the following is the most abundant gas in our air?
a. Oxygen
b. Hydrogen
c. Nitrogen
d. Argon
ANSWER
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23. Which of the following is the most abundant gas in our air?
Gas Exchange: $100 Answer
Which of the following is the most abundant gas in our air?
a. Oxygen
b. Hydrogen
c. Nitrogen
d. Argon
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24. Gas Exchange: $200 Question
The pressure exerted by each type of gas in a gas mixture is the __________ of that gas.
a. partial force
b. partial percentage
c. partial volume
d. partial pressure
ANSWER
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25. Gas Exchange: $200 Answer
The pressure exerted by each type of gas in a gas mixture is the __________ of that gas.
a. partial force
b. partial percentage
c. partial volume
d. partial pressure
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26. Gas Exchange: $300 Question
Hyperbaric chambers are clinical applications of which gas law?
a. Boyle’s
b. Dalton’s
c. Frank-Starling
d. Henry’s
ANSWER
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27. Hyperbaric chambers are clinical applications of which gas law?
Gas Exchange: $300 Answer
Hyperbaric chambers are clinical applications of which gas law?
a. Boyle’s
b. Dalton’s
c. Frank-Starling
d. Henry’s
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28. Gas Exchange: $400 Question
The rate of oxygen diffusion across the respiratory membrane depends upon all of the following except:
a. the thickness of the respiratory membrane.
b. partial pressure of oxygen in the alveoli.
c. partial pressure of oxygen in the blood.
d. partial pressure of carbon dioxide in the blood.
ANSWER
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29. a. the thickness of the respiratory membrane.
Gas Exchange: $400 Answer
The rate of oxygen diffusion across the respiratory membrane depends upon all of the following except:
a. the thickness of the respiratory membrane.
b. partial pressure of oxygen in the alveoli.
c. partial pressure of oxygen in the blood.
d. partial pressure of carbon dioxide in the blood.
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30. Gas Exchange: $500 Question
Low PO2 and high PCO2 in the alveoli will cause:
a. constriction of pulmonary capillaries and bronchioles.
b. dilation of pulmonary capillaries and bronchioles.
c. constriction of pulmonary capillaries and dilation of bronchioles.
d. dilation of pulmonary capillaries and constriction of bronchioles.
ANSWER
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31. Low PO2 and high PCO2 in the alveoli will cause:
Gas Exchange: $500 Answer
Low PO2 and high PCO2 in the alveoli will cause:
a. constriction of pulmonary capillaries and bronchioles.
b. dilation of pulmonary capillaries and bronchioles.
c. constriction of pulmonary capillaries and dilation of bronchioles.
d. dilation of pulmonary capillaries and constriction of bronchioles.
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32. Gas Transport: $100 Question
The majority of carbon dioxide is transported:
a. bound to hemoglobin.
b. dissolved in the plasma.
c. as bicarbonate ions.
d. as carbonic acid.
ANSWER
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33. Gas Transport: $100 Answer
The majority of carbon dioxide is transported:
a. bound to hemoglobin.
b. dissolved in the plasma.
c. as bicarbonate ions.
d. as carbonic acid.
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34. Gas Transport: $200 Question
Hemoglobin has the highest affinity for which of the following?
a. O2
b. CO2
c. CO
d. H+
ANSWER
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35. Gas Transport: $200 Answer
Hemoglobin has the highest affinity for which of the following?
a. O2
b. CO2
c. CO
d. H+
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36. Gas Transport: $300 Question
In the tissues, hemoglobin will release some oxygen and bind to:
a. carbonic acid.
b. hydrogen ions.
c. chloride ions.
d. bicarbonate ions.
ANSWER
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37. Gas Transport: $300 Answer
In the tissues, hemoglobin will release some oxygen and bind to:
a. carbonic acid.
b. hydrogen ions.
c. chloride ions.
d. bicarbonate ions.
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38. Gas Transport: $400 Question
The chloride shift refers to:
a. chloride ions binding to hemoglobin.
b. chloride ions moving into or out of the red blood cell.
c. chloride ions combining with bicarbonate ions.
d. chloride ions being released from hemoglobin.
ANSWER
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39. Gas Transport: $400 Answer
The chloride shift refers to:
a. chloride ions binding to hemoglobin.
b. chloride ions moving into or out of the red blood cell.
c. chloride ions combining with bicarbonate ions.
d. chloride ions being released from hemoglobin.
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40. Gas Transport: $500 Question
Which of the following will increase hemoglobin’s affinity for oxygen?
a. A decrease in pH
b. An increase in PCO2
c. An increase in temperature
d. The presence of some O2 already bound to the hemoglobin
ANSWER
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41. Gas Transport: $500 Answer
Which of the following will increase hemoglobin’s affinity for oxygen?
a. A decrease in pH
b. An increase in PCO2
c. An increase in temperature
d. The presence of some O2 already bound to the hemoglobin
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42. Control of Respiration: $100 Question
Normal quiet respiration is controlled by the:
a. dorsal respiratory group.
b. ventral respiratory group.
c. pontine respiratory group.
d. cerebral cortex.
ANSWER
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43. Control of Respiration: $100 Answer
Normal quiet respiration is controlled by the:
a. dorsal respiratory group.
b. ventral respiratory group.
c. pontine respiratory group.
d. cerebral cortex.
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44. Control of Respiration: $200 Question
A decrease in pH will have what effect on the respiration rate?
a. Decrease
b. Increase
c. No effect
d. No effect unless lung damage is present
ANSWER
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45. Control of Respiration: $200 Answer
A decrease in pH will have what effect on the respiration rate?
a. Decrease
b. Increase
c. No effect
d. No effect unless lung damage is present
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46. Control of Respiration: $300 Question
The inflation reflex depends upon stimulation of which type of receptor?
a. Nociceptors
b. Chemoreceptors
c. Mechanoreceptors
d. Thermoreceptors
ANSWER
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47. Control of Respiration: $300 Answer
The inflation reflex depends upon stimulation of which type of receptor?
a. Nociceptors
b. Chemoreceptors
c. Mechanoreceptors
d. Thermoreceptors
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48. Control of Respiration: $400 Question
Apneustic breathing occurs as a result of damage to which respiratory center?
a. Dorsal respiratory group
b. Ventral respiratory group
c. Pontine respiratory group
d. Eupnea respiratory group
ANSWER
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49. Control of Respiration: $400 Answer
Apneustic breathing occurs as a result of damage to which respiratory center?
a. Dorsal respiratory group
b. Ventral respiratory group
c. Pontine respiratory group
d. Eupnea respiratory group
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50. Control of Respiration: $500 Question
Which of the following has the greatest effect on respiration rate?
a. PO2
b. PCO2
c. PN2
d. Both a and b have an equal effect
ANSWER
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51. Control of Respiration: $500 Answer
Which of the following has the greatest effect on respiration rate?
a. PO2
b. PCO2
c. PN2
d. Both a and b have an equal effect
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52. FINAL ROUND Question
When holding our breath for a long time we get the urge to breathe due to:
a. a decrease in N2.
b. a decrease in O2.
c. an increase in CO2.
d. an increase in pH.
ANSWER
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53. FINAL ROUND Answer
When holding our breath for a long time we get the urge to breathe due to:
a. a decrease in N2.
b. a decrease in O2.
c. an increase in CO2.
d. an increase in pH.
BACK TO GAME