29 Questions
What is the primary function of the respiratory system?
To exchange carbon dioxide and oxygen between the body's cells and the environment
What are the three processes involved in respiration?
Pulmonary Ventilation, Internal Respiration, and External Respiration
What is the function of the hairs in the nasal cavity?
To trap dust and debris
What is the function of the Eustachian tube?
To connect the nasal cavity to the middle ear
What is the function of the concha in the nasal cavity?
To cause the inhaled air to swirl in the nasal cavity
What is the name of the part of the pharynx behind the nasal cavity?
Nasopharynx
What is the function of the eustachian tube?
To allow infections to spread from the nasal cavity to the ear
What is the thyroid cartilage commonly known as?
The adam's apple
What is the function of the epiglottis?
To cover the top of the larynx during swallowing
What are the two types of vocal cords?
True and false vocal cords
What is the larynx commonly known as?
The voice box
What is the function of the false cords in the human body?
To close off the airway and keep food out
What is the trachea lined with?
Ciliated mucus membrane
What is the structure of the primary bronchi similar to?
Trachea
What is the size of the bronchioles?
1 mm in diameter
What is the location of the apex of the lungs?
Above the clavicle
How many lobes does the left lung have?
2 lobes
What is the primary function of the alveoli in the lungs?
To facilitate the exchange of oxygen and carbon dioxide
Which type of cell is responsible for secreting surfactant in the alveoli?
Type II septal cells
What is the role of the visceral pleura in the lungs?
To cover the outer surface of the lung
What is the term for the area of the medial surface of the lung where primary bronchi, pulmonary vessels, lymphatic vessels, and nerve fibers enter and exit the lung?
Hilus
What is the path of oxygen diffusion in the lungs?
From the alveolus into the pulmonary capillaries
What is the function of the alveolar macrophages in the lungs?
To engulf bacteria and other foreign particles
What percentage of oxygen is carried bound to hemoglobin?
98%
What is the primary form of carbon dioxide transport in the blood?
As bicarbonate
What is the total lung capacity in milliliters?
6000ml
What is the process by which carbon dioxide is safely carried in the blood?
All of the above
What is the term for the amount of air that is always in the lungs unless the lungs are damaged?
Residual volume
What is the device used to measure air volume exchange during breathing?
Spirometer
Test your understanding of the respiratory system, its functions, and the processes involved in respiration. This quiz covers the movement of air, pulmonary ventilation, internal respiration, and external respiration. Identify the different parts of the upper respiratory system and explore how they work together.
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