Respiratory System Anatomy: Nose Functions and Structure
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Questions and Answers

What is the main factor that affects breathing rate?

  • Oxygen concentration in the blood
  • Carbon dioxide concentration in the blood (correct)
  • Carbon monoxide concentration in the air
  • Nitrogen concentration in the air
  • What causes an increase in breathing rate during strenuous exercise?

  • Rising pH levels
  • Higher O2 levels in the blood
  • Lower H+ levels in the blood
  • Increased CO2 in the blood (correct)
  • What happens to the respiratory rate during a large drop in oxygen levels?

  • It remains constant
  • It decreases
  • It fluctuates
  • It increases (correct)
  • Which gas has a greater solubility among O2 and CO2?

    <p>Carbon dioxide (CO2)</p> Signup and view all the answers

    What is hypernea?

    <p>Increased rate and depth of breathing in response to various stimuli</p> Signup and view all the answers

    At what altitude does altitude sickness typically start, as mentioned in the text?

    <p>8000 feet</p> Signup and view all the answers

    What is the major entrance and exit for the respiratory system?

    <p>Nose</p> Signup and view all the answers

    Which structure in the respiratory system closes off the tube to ensure food goes to the esophagus?

    <p>Epiglottis</p> Signup and view all the answers

    Where does the gas exchange directly occur in the respiratory system?

    <p>Alveoli</p> Signup and view all the answers

    Which structure connects the bronchial tree to the pharynx?

    <p>Larynx</p> Signup and view all the answers

    What is the primary function of cilia in the nose?

    <p>To aid in swallowing debris and mucus</p> Signup and view all the answers

    Which part of the lung helps prevent alveoli collapse after maximal expansion?

    <p>Residual volume</p> Signup and view all the answers

    What is responsible for inducing violent coughing if a foreign body is present in the airway?

    <p>Carina nerve</p> Signup and view all the answers

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