This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'Larvae of Ascaris lumbricoidis most commonly causes- \nSelect and explain. \nA. Cardiac symptoms, B. Respiratory symptoms, C. Genitourinary symptoms, D. Cerebral symptoms', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Respiratory symptoms [Ref: Harrison 18th/ep. 1739, 1740\\o Clinical manifestations of ascariasis can be divided into two groups :-Due to adult worm : Adult worm causes malnutrition, abdominal pain, anorexia, intestinal obstruction, appendicitis, obstructive jaundice, pancreatitis, intestinal perforation and allergic manifestations.Due to migrating larva : Loefflers syndrome (eosinophilic pneumonia).", 'role': 'assistant'}]