Multiple Choice
A pulse oximeter on a patient with a tracheostomy shows 89% saturation.The patient has a heated humidifier with a 40% air-entrainment tracheostomy collar.A rapid assessment shows no secretion production and equal breath sounds.Which of the following is the most appropriate first step?
A) Increase the oxygen delivered through the flowmeter.
B) Increase the air-entrainment device to 60%.
C) Apply positive pressure with bag-valve ventilation.
D) Check to see whether water is collected in the gas-delivery tube.
Correct Answer:

Verified
Correct Answer:
Verified
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