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: Microbiology
[{'content': 'Specific diagnosis of ascaris is made by -a) Adult worm in stool b) Egg detectionc) Antigen detectiond) Antibody detectione) Skin test \nSelect and explain. \nA. acd, B. bcd, C. abc, D. abd', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Laboratory diagnosis of Ascariasis\nParasitic diagnosis:\n\nDemonstration of characteristic Ascaris eggs in the stool: Eggs are passed in large numbers.\nConcentration of stool by Salt floatation and Formalin-ether method- light infections\nDemonstration of egg in bile (duodenal intubation)\nDemonstration of adult worm in stool/ vomitus- after treatment with antihelminthics.\nDemonstration of larvae in gastric aspirate, sputum or bronchial aspirates – pulmonary infections\nSerodiagnosis- In case extraintestinal Ascarisis\n\nAntibody detection by\n\nMicroprecipitation on the larvae\nIndirect hemagglutination test\nImmunofluorescent antibody test.', 'role': 'assistant'}]