This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': 'Hemlichs maneuver is used for ? \nSelect and explain. \nA. Upper airway obstruction by foreign body, B. BPPV, C. Eustachian tube patency test, D. Tympanic membrane integrity test', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Upper airway obstruction by foreign body Heimlich manoeuvre Abdominal thrusts, also called the Heimlich manoeuvre or Heimlich maneuver, is a first aid procedure used to treat upper airway obstructions (or choking) by foreign objects. The term Heimlich maneuver is named after Dr. Henry Heimlich, who first described it in 1974.", 'role': 'assistant'}]