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': 'The hookworm thrives on ? \nSelect and explain. \nA. Whole blood, B. Plasma, C. Serum, D. RBC', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Plasma Hook worms Ancylostoma duodenale - Old world hookworm Nector americanus - New world hook worm Habitat - Small intestine (Jejunum > duodenum > Ileum) Infective form - Filariform larva Mode of infection - Penetration of skin Plasma forms the main source of nourishment for hookworm, the red blood cells pass out from the worm practically unchanged into the lumen of host's intestine.", 'role': 'assistant'}]