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What is the function of the air passages beneath the conchae that create turbulence within the nasal cavity?
They ensure that air is warmed and humidified.
The smallest passageways in the lung to have ciliated epithelia are ______________
Which of the following is NOT a function of the respiratory system?
It helps to transport gases to tissues.
A molecule of oxygen must pass each of these structures in order to get to the alveoi of the lungs. Which sequence is correct?
nose - throat - trachea - lungs
What is the name of the area that lies posterior to the choana and superior to the soft palate?
The attachment of the vocal folds posteriorly is to these cartilages. What are the names of these cartilages?
What is the name of the structure that connects the cricoid cartilage to the primary bronchi?
The point of division of the trachea into the right and left primary bronchi is called the _______________.
The walls of the primary, secondary and tertiary bronchi all contain _____________________.
The functional units for the exchange of oxygen and carbon dioxide are the ___________________________.
Why are there rings of hyaline cartilage in the trachea?
To keep the passageway open for the continuous flow of air.
The cessation of breathing for 10 seconds or longer during sleep is called sleep _____________.
Respiratory distress syndrome (RSD) in premature infants is most often due to __________________.
lack of surfactant
Damage to the brain stem and the automatic respiratory centers can produce an inability to remember to breathe called ______________.
The inspiratory and expiratory centers are located within the ________________ of the brain.
On one side of the respiratory membrane are the alveoli and on the other are ________________________.
The great (type II) alveolar cells that are found in an alveolus repair the epithelium and secrete _____________________.
The structures that enter and leave the lung do so by passing through an area called the __________________________.
Throughout the nasal and bronchial tree this layer of _________________ is used to entrap particulate matter.
Normally the distance from the thyroid to the arytenoid cartilages is ________________.
longer in males
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