5 Written Questions

1. enzyme that catalyzes reacction of co2 with water to form H+ and HCO3-
2. windpipe
3. responsible for warming and humidifying air
4. produce surfactant
5. chamber shared by respiratory and digestive systems

5 Matching Questions

1. dalton's law
2. hypocapnia
3. glottis
4. hypercapnia
5. larynx

1. a cartilagenous structure that surrounds glottis
2. b abnormally low partial pressure CO2. stimulates chemoreceptors
3. c narrow opening between pharynx and larynx through which air passes
4. d each gas contributes to the total pressure relative to its abundance
5. e increased partial pressure CO2. stimulates chemoreceptors

5 Multiple Choice Questions

1. # breaths/min x tidal volume ~6 L/min
   1. respiratory zone
   2. inspiratory reserve volume
   3. respiratory minute volume
   4. expiratory reserve volume
2. contributed by a single gas in a mixture of gases
   1. tidal volume
   2. atmospheric pressure
   3. partial pressure
   4. intrapleural pressure
3. rate and depth of respiration exceeds demands for oxygen delivery and carbon dioxide removal
   1. hypercapnia
   2. hyperventilation
   3. hypocapnia
   4. hypoventilation
4. stimulates DRG during eupnea. causes prolonged inhalation and slows breathing rate, but increases depth of breath.
   1. apneustic centers
   2. type II cells
   3. conducting zone
   4. pneumotaxic centers
5. a decrease in blood pH will cause a decrease in hemoglobin saturation
   1. surfactant
   2. bronchioles
   3. hypoxia
   4. bohr effect

5 True/False Questions

1. intrapleural pressure → contributed by a single gas in a mixture of gases

   True        False

2. total lung capacity → maximum amount of air you can expel out of lungs in single respiratory cycle (tid vol + IRV + ERV)

   True        False

3. alveoli → condition that occurs when supply of oxygen to cells is cut off

   True        False

4. residual volume → amount of air remaining in lungs after maximal exhalation

   True        False

5. eupnea → windpipe

   True        False