You are assisting at an Outdoor Emergency Care course. One of the students asks you how the head tilt-chin lift airway maneuver works to open the airway. Your best response is:
a. It opens the airway by lifting the tongue from the back of the throat.
b. It creates an open airway by separating the lips, thereby allowing air to enter.
c. It stimulates the patient to begin taking deeper breaths, thereby moving air into the lungs.
d. It opens the airway by relaxing and expanding the size of the throat.
Question 2
You are by the side of a patient who is unresponsive and has a history of heart failure. When assessing the airway, which one of the following observations best indicates a patent airway?
a. You can hear normal respirations and see the chest rise and fall.
b. She has a pulse of 80 per minute.
c. Her mouth is open and you can hear gurgling sounds.
d. You can see that her tongue has not fallen back where it would block the airway.
Formation of head in arthropod subphyla.
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