Chapter 22 - The Respiratory System

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Chapter 22 - The Respiratory System
Respiratory Anatomy
Mechanisms of Breathing
Gas Exchange
Gas Transport
Control of Respiration
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FINAL ROUND
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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
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. Boyles
• b. Daltons
• c. Frank-Starling
• d. Henrys

ANSWER
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27
Gas Exchange 300 Answer

• Hyperbaric chambers are clinical applications of
  which gas law?
• a. Boyles
• b. Daltons
• c. Frank-Starling
• d. Henrys

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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
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
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 hemoglobins
  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 hemoglobins
  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