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18 Cards in this Set

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