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': 'Which of the following parasites abundants in muscles \nSelect and explain. \nA. Trichuris trichiura, B. Trichinella spiralis, C. Schisosomiasis, D. Ancylostoma necator', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Trichinella- spiralis) (163 - Paniker 6th)MODE OF INFECTION1. By Ingestiona. Eggs Ascaris, Enterobius, Trichurisb. Larva within intermediate host - Dracunculusc. Encysted larvae in muscle - Trichinella**2. By Penetration of Skin - Ancylostoma, Necator - Strongloides3. By blood Sucking Insects - Filariae4. By Inhalation of Dust Containing Eggs - Ascaris, EnterobiusTrichinella- spiralis* Cysts are develops preferentially in muscles relatively poor in glycogen* Cysts are more abundant near the sites of attachments of muscles to tendons and bones than in other parts* They are also more frequent in the superficial muscles* The deltoid being easily accessible is chosen for taking diagnostic muscle biopsies* Brachman intradermal test, Bentonite flocculation test and latex fixation test for demonstration of antibodies', 'role': 'assistant'}]