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Equipment Theory for Respiratory Care Chapter 4 questions with answers.
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Equipment Theory for Respiratory Care Chapter 4 questions with answers.
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Equipment Theory for Respiratory CareChapter 4 questions with answers.
Inspiratory spirometry (IS) ANS -1. Mode of therapy commonly used to promote deep breathing and
coughing
2. Disposable snd permanent equipment are available
3. Effective in the prevention and reversal of atelectasis and promotion of coughing in postoperative
patients
Flow dependent methods (IS) ANS -1. A flow of gas applied to the top of a tube will create a sub-ambient
pressure inside the tube.
2. A float inside the tube will rise overcoming gravity
3. The weight of the float and diameter of the tube determine how much flow is required to raise it.
4. A know flow rate can translate into volume
Flow rate into volume ANS -(Flow rate)(time) =volume
Volume displacement (IS) ANS -1. Patients who inspire air from a bellows cause it to collapse and gas is
removed
2. Since one side is fixed and cannot move, the displacement of the bellow is proportional to the
inspired volume
Needle valves ANS -1. Common devices used to regulate gas flow.
2. Adjusting the valve moves the needle away from the valve seat opening and increasing gas flow.
(Operates like a water faucet)
Inspiratory spirometry and positive airway pressure adjunctive therapy techniques ANS -1. Both rely on
patient's ability to accomplish the clinical goal.
2. Requires patient to be alert, able to follow directions, and able to voluntarily accomplish desired
breathing pattern.
3. Prevent or reverse atelectasis
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