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21 Cards in this Set
- Front
- Back
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When interalvioliar pressure is higher than atmosphereic pressure, then
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air flows out (exhale)
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During inspiration, the the diaphragm _____
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pulls down, less interalviolar pressure
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Amount of air that is always left in the lungs after expiration is
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RV
residual volume |
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amount of air moving in and out of the lungs during normal breathing is
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TV
tidal volume |
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The amount of air that can be exhaled is
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VC
vital capacity |
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Amount of air that can be exhaled after normal expiration is
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ERV
expiratory reserve volume |
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Total amount of air that can be inhaled is
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IC
inspiratory capacity |
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Amount of air that can be inhaled after normal expiration is
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IRV
inspiratory reserve volume |
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_____ refers to the amount of air in the alveolar ducts not for gas exchange
______ refers to the total amount of air in the lungs that is not involved in gas exchange ____ " in brionchial tree " |
alveolar dead space
physiologic dead space anatomic dead space |
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When the dissociation curve shifts to the right it is called ____
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Bohr effect
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_____ are associated with respiratory centers, where Co2 combines with water to form _____, which in turn releases ____ in CSF
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Central Chemoreceptors
carbonic acid H |
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When the dissociation curve shifts to the left it is called ______
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Haldane effect
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______ are the carotid and aortic bodies, and they sense what?
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Peripheral Chemoreceptors
low o2 concentration and alveolar ventilation increases |
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What are all the causes of the Bohr effect?
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increased CO2 pressure
acidity of blood decreased 02 pressure rise in body temp |
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Respiratory membrane is formed by the walls of ______ and ______
both these are made of |
alvioli, capillaries
simple squamous epithelium |
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What happens when the diaphragm recoils to its original position?
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the thoracic volume decreases --> ia pressure increases --> exhalation
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When the interalviolar pressure falls below the atmospherioc pressure, then
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you inhale
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____L of air moves in n out of lungs per minute
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6
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The rhythmic area is where?
divided into 2 groups |
the medulla oblongata
dorsal: normal ventral: voluntary breathing |
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Pnuemotaxic area is where?
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Pons: sets depth duration rate
influences dorsal group |
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________ chemoreceptors are sensitive to PH of the blood, while _______ chemorecptors are sensitive to PH of CSF
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Peripheral, Medually/Central
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