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24 Cards in this Set

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  • Back
The air we breathe at sea level is a mixture of what gases?
21% oxygen
78% Nitrogen
.04% Carbon dioxide
Why does your nose run on a cold day?
condensation. The air in your nose is warmed and humidified, the cold air outside hits the nose and makes it condense
What does the glottis include?
the opening between the vocal cords, aslong with the nearbyvocal cords themselves
CS: What was Justin diagnosed with having?
OSA or obstructive sleep apnea
What was the machine used to assess what was happening to Justin while he was asleep?
polysomnography
What did the sleep test do?
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.
What is responsible for controlling your metabolism? What happens if this is not functioning
The thyroid gland in your neck.,if it's not working, you can breathe too slowly
What makes up the trunk of the tree? The leaves?
trachea, alveoli
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?
The mucociliary escalator
What is mucus produced by?
goblet cells.
HF: What are some short-term and long-term effects of smoking cigareetes?
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.
Where does smoking cause cancer?
oral cavity, pharynx, larynx, and esophagus
Why do smokers have smoker's cough?
The nicotine in smoke decreases the sweeping action of cilia, so some of the poisons in the smoke remain in the lungs. (mucociliatory escalator)
What is ETS?
environmental tobacco smoke
How does smoking affect pregnant women and thier babies?
linked w/ a greater chance of miscarriage, premature delivery, stillbirth, infant death, low birth weight, and SIDS
What is one of the treatments that you'll probably forget about for smoking?
Antibodies bind to nicotine preventing the stimulatory effects that result in addiciton--vaccine
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?
surfactant replacement therappy
Why is it said that humans inhale through negaive pressure?
air comes into the lungs because they have already opened up, air does not force the lungs open
If you were involiving the muscles of your back, chest, and neck, what type of breathing would you be doing?
maximum inspiratory effort
How does the wind get knocked out of you?
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
Where does the medulla oblongota send nerve impulses while you breathe?
To the diaphragm and external intercostal muscles
What happens when the respiratory center stops sending signals to the diaphrgam muscles?
You can exhale
What is a cause of SIDS that includes infection? Giving an infant <1 year of age honey
infant botulism
What inhibits excessive stretching of the elastic tissue in the lungs?
stretch receptors in the alveolar wall initiate inhibitory nerve impulses that travel from the inflated lungs to there respiratory center.