This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Clostridium, Subject name: Microbiology
[{'content': 'Drum stick is characteristic of: \nSelect and explain. \nA. Corynebacterium diphtheriae, B. Clostridium tetani, C. Neisseria meningitides, D. Strep Pneumoniae', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Clostridium tetaniRef: Microbiology by Ananthanarayan and Paniker 8th ed. 1249-54* There are species of Clostridium that bears terminal spores which appears as drumstick shaped under microscope.* Clostridium tetani is a gram positive obligate anaerobe which is the causative agent of tetanus, bears spores which are spherical, terminal and twice the diameter of vegetative cells. This gives it a drumstick appearance upon viewing under microscope.BacteriaAppearance* Clostridium tetaniDrumstick appearance* Corynebacterium diphtheriaChinese letter pattern* Neisseria meningitidesD- shaped* N. GonorrheaKidney shaped appearance* Strep PneumoniaeFlame shaped appearance', 'role': 'assistant'}]