Answer:
The correct answer is - option B.
Explanation:
The head tilt or lift chin maneuver is the method that helps in the prevention of the blocking the airways by obstructions due to tongue more often. It is the procedure which is performed by the lifting the chin backwards or tilting the head towards back so the applied pressure that cause the ventilation normal again in the patient. If the person is not showing any improvement one should ease his/ her head forward a little so the pressure could be released.
Thus, the correct answer is - option B.