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18 Cards in this Set
- Front
- Back
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What is the purpose of respiration?
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To provide for the exchange of oxygen and carbon dioxide between the atmosphere and the blood.
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What is the purpose of inhalation?
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Diaphragm descends and the lungs expand, causing air containing oxygen to move from the atmosphere into the lungs.
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What is the purpose of exhalation?
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Removes the carbon dioxide from the body.
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What is included in one complete respiration?
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One inhalation and one exhalation
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The exchange of oxygen and carbon dioxide between the body cells and blood is known as
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internal respiration
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What is the name of the control center for involuntary respiration?
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Medulla oblongata
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Why must respiration be taken without the patient's awareness?
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Because the patient might change their normal respirations
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What is the normal respiration rate (range) for a normal adult?
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12 - 20 respirations / minute
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Describe a normal rhythm for respiration
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even and regular
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What can cause hyperventilation?
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acute anxiety
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What type of patient may experience hypopnea?
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sleep disorders
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Where is cyanosis first observed?
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nail beds and lips
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What can cause cyanosis?
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Advanced emphysema or cardiac arrest
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What are two conditions in which dyspnea may occur?
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Normally - vigorous physical activity
Abnormally - in patients with asthma and emphysema |
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Describe the character of normal breath sounds
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Quiet and barely audible
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Abnormal breathing: Crackles
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Dry or wet intermittent sounds that vary in pitch (like rubbing hair together, next to your ear).
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Abnormal breathing: Rhonchi
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Deep, low-pitched, rumbling sound
more audible during expiration |
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Abnormal breathing: Wheezes
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Continuous, high-pitched, whistling musical sounds heard during inspiration and expiration
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