13 Questions
What is the main factor that affects breathing rate?
Carbon dioxide concentration in the blood
What triggers an increase in breathing rate during strenuous exercise?
Accumulation of lactate in tissues
At what altitude does altitude sickness typically start?
Around 8000 feet
Which gas has greater solubility in the blood?
Carbon dioxide
What is hypernea?
Increased rate and depth of breathing
What is the function of fetal breathing movements in utero?
The function is not clear
What is the main function of the conductive zone in the respiratory system?
Remove debris and pathogens
In the nose, what is the role of cilia?
To push mucus and debris towards the throat
Which structure closes off the trachea during swallowing to ensure food goes to the esophagus?
Epiglottis
Where does the gas exchange primarily occur in the respiratory system?
Alveoli
What is the main function of the respiratory membrane in the lungs?
To allow gases to cross via simple diffusion
Which term describes the act of moving air in and out of the lungs?
Pulmonary ventilation
What causes inspiration and exhalation during breathing?
Contraction of diaphragm and intercostal muscles
Test your knowledge on the anatomy and functions of the nose and pharynx in the respiratory system. Learn about the conducting zone route for air, the role of cilia in the nose, and how the nose acts as the major entrance and exit for the respiratory system.
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