16 Questions
What is the main cause for an increase in breathing rate?
High H+ concentration in the blood
Why does strenuous exercise lead to an increase in breathing rate?
To get rid of H+ that accompany lactate
What stimulus is needed to stimulate chemoreceptors and increase breathing?
Low O2 levels
Which gas has greater solubility in the blood?
CO2
What is hypernea?
Increased rate and depth of breathing in response to certain conditions
What is the typical starting altitude at which altitude sickness may occur?
8000 feet
What is the function of the cilia in the nose?
To push mucus and debris toward the throat
Which structure closes off the tube in the larynx when swallowing?
Epiglottis
Where does gas exchange primarily occur in the respiratory system?
Alveoli
What is the primary function of the lungs?
Performing gas exchange
Which factor plays a crucial role in pulmonary ventilation?
Atmospheric pressure
What does the transpulmonary pressure represent?
Difference between intrapleural and intra-alveolar pressure
Which muscle plays a key role in the pressure change during inspiration and exhalation?
Diaphragm
What defines the respiratory cycle?
Sequence of inspiration and expiration
What is the functional residual capacity after a normal tidal expression?
Expiratory reserve volume
What does anatomical dead space refer to in the respiratory system?
Air that never reaches the alveoli for gas exchange
This quiz covers the anatomy of the nose in the respiratory system, including its functions and structures such as the nasal septum and cilia. Learn about how the nose acts as a major entrance and exit for the respiratory system, and how cilia help in clearing mucus and debris. Test your knowledge on the conducting zone route for incoming and outgoing air through the nose.
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