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20 Cards in this Set
- Front
- Back
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what is the pharynx
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the throat, lymphoid tissue called the tonsils on both side, and it contains the opening to the esophagus and trachea.
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Where is the most common site for airway obstruction?
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the larynx due to it is the smallest portion of the upper airway.
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What is a larynospasm?
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when the muscles of the upper airway constrict and close of the lower airway completly creating respiratory emergency.
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what is a bronchospasm?
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when the cris crossed muscles of the bronchi and bronchiols become constricted and obsrtuct the airways.
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what is alveoli?
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tiny air sacs that are responsable for gas exchange in the lungs, with a fine network of capillaries for transport.
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What is surfactant?
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It is the lipoprotein that lowers the surface tension with in the alveoli and prevents their wall from sticking together.
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What produces surfactant?
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type II alveolar cells
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What are the fuctions of type I alveolar cells?
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they are the gas exchange cell and what allows gas exchange to take place in th e alveoli
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What happens if the plural fills with water or the chest cavity is opened?
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the lungs will not be in contact with the chest which will alter the function of the pulmonary function.
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what is venalation?
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movement of air into and out of the lungs, breating.
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what is respiration?
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that exchange of gases in the lungs.
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Where does oxygen diffues into the blood cells?
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alveolar-capillary membrane
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What is hypoemia?
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when blood is not adequately oxygenated at the alveolar capillary membrane.
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What is perfusion?
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takes place in the cardiovascular system and is the circulation of boold to all body systems.
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what is hypoxia?
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poor oxygenation levels in the tissues and organs.
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What happnens with poor ventilation?
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insufficient amount of oxygen in the lungs for diffusion into the blood.
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what is the mayjor muscle in breathing?
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the diaphram
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what is hyperventilation?
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when a persons rate and depth increase to move large amounts of air into the lungs. happens when a person is experiances hypoxemia.
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what is hypoventilation?
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is when there is a decrease rate and depth of breathing and moves a small amount of air into and out of the lungs. hypoxemia is a result of this due to there is less air carring oxygen into the lungs.
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what is lung compliance?
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refers to the ease of lung inflation
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