30 Questions
What is the uppermost part of the lung called?
Apex
What is the indentation through which blood vessels, main bronchi, lymphatic vessels, and nerves enter and leave the lungs?
Hilum
What is the concavity in the left lung that accommodates the heart?
Cardiac notch
What is the smallest visible lung subdivision?
Lobule
What type of tissue supports the lung's functional structures?
Stroma
What is the surface of the lung in contact with the thoracic wall called?
Costal surface
What is the outer part of the balloon representative of in the analogy?
Parietal pleura
What is the function of the pleural fluid in the pleural cavity?
To act as a lubricant, ensuring minimal friction during breathing
How many chambers does the Pleura divide the thoracic cavity into?
3
What is the visceral pleura a part of?
The same membrane as the parietal pleura
What type of epithelium is found in the superior portion of the larynx?
Stratified squamous
What is the space between the two layers of pleurae?
Pleural cavity
What type of cartilage is the epiglottis composed of?
Elastic cartilage
What is the function of the vocal ligaments?
To attach the arytenoid cartilages to the thyroid cartilage
What is the inner part of the balloon representative of in the analogy?
Visceral pleura
What determines the pitch of a person's voice?
The length and tension of the vocal cords
What is the function of the glottis?
To allow air to pass through the vocal cords
What is the purpose of Valsalva's maneuver?
All of the above
What is the primary function of internal respiration?
Producing energy by oxidizing glucose or other small molecules
What is the term for the process of taking oxygen from the air and returning carbon dioxide?
External respiration
How many times does a relaxed adult breathe on average per minute?
15 times
What is the primary function of the respiratory system in relation to the circulatory system?
Providing oxygen to the bloodstream and removing carbon dioxide
What is the term for the process of exchanging oxygen and carbon dioxide between the air and the blood in the lungs?
Gas exchange
What is the approximate volume of air ventilated by a relaxed adult in one minute?
6 liters
What is one of the functions of the separation between the thoracic cavity and the abdominal cavity?
To help prevent the mobile organs from interfering with each other
What is the name of the tubes that originate from the primary bronchi and supply air to the lobes of the lungs?
Secondary bronchi
Which of the following statements about the primary bronchi is TRUE?
They are supported by incomplete rings of cartilage
What is the name of the smallest airways that eventually lead to the alveoli?
Respiratory bronchioles
How many lobes and secondary bronchi does the right lung have?
Three lobes and three secondary bronchi
What is the name of the structure that the primary bronchi enter the lungs with?
Hilum
This quiz covers the introduction to the respiratory system, including internal and external respiration, and the basic functions of the respiratory system.
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