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24 Cards in this Set
- Front
- Back
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The air we breathe at sea level is a mixture of what gases?
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21% oxygen
78% Nitrogen .04% Carbon dioxide |
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Why does your nose run on a cold day?
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condensation. The air in your nose is warmed and humidified, the cold air outside hits the nose and makes it condense
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What does the glottis include?
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the opening between the vocal cords, aslong with the nearbyvocal cords themselves
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CS: What was Justin diagnosed with having?
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OSA or obstructive sleep apnea
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What was the machine used to assess what was happening to Justin while he was asleep?
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polysomnography
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What did the sleep test do?
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track your heart, lungs, and brain while you sleep. The monitors record your breathing, how much oxygen is in your blood, and your arm and leg movements.
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What is responsible for controlling your metabolism? What happens if this is not functioning
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The thyroid gland in your neck.,if it's not working, you can breathe too slowly
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What makes up the trunk of the tree? The leaves?
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trachea, alveoli
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The cilia that project from epithelial cells keep the lungs clean by sweeping mucus, produced by goblet cells, and ddebris toward the pharynx, what is this called?
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The mucociliary escalator
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What is mucus produced by?
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goblet cells.
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HF: What are some short-term and long-term effects of smoking cigareetes?
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shortness of breath, nagging coughs, premautre aginnig of the skin, diminished ability to smell and taste, increased risk of sexual impotence, cancer, heart disease, aneurysms, bronchitiis, emphysema, and stroke.
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Where does smoking cause cancer?
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oral cavity, pharynx, larynx, and esophagus
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Why do smokers have smoker's cough?
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The nicotine in smoke decreases the sweeping action of cilia, so some of the poisons in the smoke remain in the lungs. (mucociliatory escalator)
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What is ETS?
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environmental tobacco smoke
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How does smoking affect pregnant women and thier babies?
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linked w/ a greater chance of miscarriage, premature delivery, stillbirth, infant death, low birth weight, and SIDS
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What is one of the treatments that you'll probably forget about for smoking?
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Antibodies bind to nicotine preventing the stimulatory effects that result in addiciton--vaccine
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What is the therapy used to treat infants whose lungs collapse due to a failure in the mechanism that lowers the surface tesnion of water?
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surfactant replacement therappy
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Why is it said that humans inhale through negaive pressure?
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air comes into the lungs because they have already opened up, air does not force the lungs open
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If you were involiving the muscles of your back, chest, and neck, what type of breathing would you be doing?
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maximum inspiratory effort
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How does the wind get knocked out of you?
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following a blow to the solar plexus, the diaphragm spasms, it's not possible to breathe when this happens. The pain and inability to breathe stop once the diaphragm relaxes
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Where does the medulla oblongota send nerve impulses while you breathe?
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To the diaphragm and external intercostal muscles
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What happens when the respiratory center stops sending signals to the diaphrgam muscles?
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You can exhale
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What is a cause of SIDS that includes infection? Giving an infant <1 year of age honey
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infant botulism
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What inhibits excessive stretching of the elastic tissue in the lungs?
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stretch receptors in the alveolar wall initiate inhibitory nerve impulses that travel from the inflated lungs to there respiratory center.
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