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Questions and Answers
What is one of the main indications for suctioning as mentioned in the text?
What is one of the main indications for suctioning as mentioned in the text?
- To remove bacteria from the airway
- To obtain a sample for testing (correct)
- To establish blood recycle
- To repair damaged organs
Which of the following is NOT an essential part of a suction apparatus according to the text?
Which of the following is NOT an essential part of a suction apparatus according to the text?
- The bacterial filter (correct)
- The delivery tubing
- The reservoir
- The source of vacuum
What can be added as a refinement to a suction apparatus based on the text?
What can be added as a refinement to a suction apparatus based on the text?
- Air freshener dispenser
- Intravenous drip chamber
- Antibiotic injection port
- Cut-off valve (correct)
Which factor does NOT influence the efficiency of a suction apparatus according to the text?
Which factor does NOT influence the efficiency of a suction apparatus according to the text?
What does the efficiency of a suction apparatus depend on, as per the text?
What does the efficiency of a suction apparatus depend on, as per the text?
What is the main purpose of establishing airway patency before suctioning?
What is the main purpose of establishing airway patency before suctioning?
Which component is essential in a suction apparatus to measure the volume of air moved by the pump?
Which component is essential in a suction apparatus to measure the volume of air moved by the pump?
Why is a vacuum gauge considered a valuable addition to a suction apparatus?
Why is a vacuum gauge considered a valuable addition to a suction apparatus?
How does the length and diameter of the delivery tube affect the efficiency of a suction apparatus?
How does the length and diameter of the delivery tube affect the efficiency of a suction apparatus?
Which feature directly impacts how quickly a suction pump can achieve negative pressure?
Which feature directly impacts how quickly a suction pump can achieve negative pressure?
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Study Notes
Indications for Suctioning
- Establish airway patency
- Remove secretions (saliva, vomit, blood)
- Obtain a sample
- Cell salvage (blood recycle)
Essential Parts of a Suction Apparatus
- Source of vacuum
- Reservoir
- Delivery tubing (may include nozzle or catheter)
Refinements of a Suction Apparatus
- Cut-off valve
- Bacterial filter
- Vacuum control valve
- Vacuum gauge
- Stop valve
Efficiency of a Suction Apparatus
- Dependent on displacement (volume of air moved at atmospheric pressure, expressed in liters/minute)
- Dependent on degree of negative (sub-atmospheric) pressure produced by the pump
- Dependent on time taken to achieve negative pressure
- Dependent on length and diameter of the delivery tube
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