Which of the following statements about a nasal cannula is true?
a. The oxygen flow rate can be adjusted anywhere from 1 LPM to 10 LPM, depending on how much oxygen the patient needs.
b. When the nasal cannula is set to the highest appropriate oxygen flow rate, it delivers 2444 percent oxygen.
c. A nasal cannula is preferred over a nonrebreather mask because the cannula administers the oxygen through the nose instead of through the mouth.
d. It is best to see how a patient tolerates a nasal cannula before attempting to place a nonrebreather mask on the patient.
Question 2
You have opened and cleared your patient's airway. While waiting for other equipment or personnel, the easiest way to maintain this state and ensure adequate breathing is to:
a. place the patient in the left lateral recumbent (recovery) position if the patient is unresponsive and spinal injury is not suspected.
b. place a suction catheter in the corner of the patient's mouth to continually remove secretions.
c. maintain the head tilt-chin lift position.
d. use the crossed finger technique.
Effects of Elevation on Heart Rate and Ventilation
Respiratory Rate Ranges of Various Age Groups
The nasal regions.
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Blood flow through the heart.