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: Medicine
A 22-year-old woman is brought to the emergency department because of repeated bouts of vomiting. Physical examination shows dental caries, tooth erosion, and enlarged parotid glands. Laboratory studies show hypokalemia. metabolic alkalosis and increased serum bicarbonate. A chest radiograph reveals air in the mediastinum. 
Which of the following will most likely be present in this patient? 
Select and explain. 
A. Full thickness, distal esophageal rupture, B. Lacerations in the mucosa at the junction of the stomach and the esophagus, C. Venous dilation in the submucosa, D. Visible rings and furrows in the esophagus
A: Full thickness, distal esophageal rupture
Answer: A: Full thickness, distal esophageal rupture 
Explanation: None