Podcast
Questions and Answers
What is the main factor that affects breathing rate?
What is the main factor that affects breathing rate?
- CO2 concentration in the blood (correct)
- Body temperature
- Oxygen concentration in the blood
- Blood pressure
What stimulates chemoreceptors to increase breathing?
What stimulates chemoreceptors to increase breathing?
- High O2 levels
- A large drop in O2 levels (correct)
- Increased blood pH
- Low CO2 levels
What is hypernea?
What is hypernea?
- Breathing cessation
- Increased rate and depth of breathing (correct)
- Decreased rate and depth of breathing
- Shortness of breath
Which type of blood has hemoglobin with a greater affinity for oxygen?
Which type of blood has hemoglobin with a greater affinity for oxygen?
At what altitude does altitude sickness typically start?
At what altitude does altitude sickness typically start?
When does the development of respiratory bronchioles begin during embryonic development?
When does the development of respiratory bronchioles begin during embryonic development?
What is the main function of the nose in the respiratory system?
What is the main function of the nose 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 while swallowing to ensure food goes to the esophagus?
Which structure closes off the trachea while swallowing to ensure food goes to the esophagus?
Where does gas exchange directly occur in the respiratory system?
Where does gas exchange directly occur in the respiratory system?
What is the primary function of alveolar macrophages in the lungs?
What is the primary function of alveolar macrophages in the lungs?
Which of the following describes the transpulmonary pressure?
Which of the following describes the transpulmonary pressure?
What causes inspiration during pulmonary ventilation?
What causes inspiration during pulmonary ventilation?
Which term refers to a sequence of inspiration and expiration?
Which term refers to a sequence of inspiration and expiration?
'Tidal volume' is best described as:
'Tidal volume' is best described as:
What does 'total lung capacity' refer to?
What does 'total lung capacity' refer to?