Podcast
Questions and Answers
What primarily causes an increase in breathing rate?
What primarily causes an increase in breathing rate?
- Elevated levels of H+ due to high CO2 concentration (correct)
- High levels of oxygen in the blood
- Low blood pressure
- Increased pH from a decrease in CO2 concentration
What is the main cause for the body to increase breathing rate during strenuous exercise?
What is the main cause for the body to increase breathing rate during strenuous exercise?
- Elevated body temperature
- High O2 levels in the blood
- Increased CO2 levels in the muscles
- H+ ions resulting from lactate production (correct)
What stimulates chemoreceptors to increase breathing rate?
What stimulates chemoreceptors to increase breathing rate?
- Increase in blood pH
- High oxygen levels in the blood
- Significant drop in oxygen levels (correct)
- Low pressure of all gases in the air
How is most oxygen transported in the blood?
How is most oxygen transported in the blood?
What is the primary function of fetal breathing movements?
What is the primary function of fetal breathing movements?
What causes altitude sickness to occur typically above 8000 feet?
What causes altitude sickness to occur typically above 8000 feet?
What is the main function of the conducting zone in the respiratory system?
What is the main function of the conducting zone in the respiratory system?
Where does gas exchange primarily occur in the respiratory system?
Where does gas exchange primarily occur in the respiratory system?
What is the function of cilia in the nose?
What is the function of cilia in the nose?
Which structure closes off the trachea during swallowing to ensure food goes to the esophagus?
Which structure closes off the trachea during swallowing to ensure food goes to the esophagus?
What is the purpose of alveolar macrophages in the lungs?
What is the purpose of alveolar macrophages in the lungs?
A special nerve at the carina induces violent coughing when a foreign body is present. Which nerve is responsible for this response?
A special nerve at the carina induces violent coughing when a foreign body is present. Which nerve is responsible for this response?
Which of the following describes the primary function of pulmonary ventilation?
Which of the following describes the primary function of pulmonary ventilation?
What is the role of visceral pleura in lung anatomy?
What is the role of visceral pleura in lung anatomy?
Which term describes the maximum amount of air a person can inhale after taking a normal breath?
Which term describes the maximum amount of air a person can inhale after taking a normal breath?
