This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hanging and strangulation, Subject name: Forensic Medicine
A person was brought to the emergency with a history of something stuck in his throat during his dinner which progressed to dyspnea, the probable diagnosis is: 
Select and explain. 
A. Myocardial infarction, B. Choking, C. Pulmonary embolism, D. Aoic dissection
B: Choking
Answer: B: Choking 
Explanation: Suffocation deaths: SmotheringQ Occlusion of external air passagesQby hand, pillow, plastic bag etc ChokingQ Occlusion of internal air passagesQby foreign body, food paicles etc