Which bacterial toxin causes the rigid muscular spasms characteristic of tetanus in animals?
Correct answer: A. Tetanospasmin
- A. Tetanospasmin
- B. Botulinum toxin
- C. Staphylococcal enterotoxin
- D. Cholera toxin
Explanation
Tetanospasmin is the neurotoxin produced by Clostridium tetani and causes spastic paralysis by blocking inhibitory neurotransmission. Botulinum toxin produces flaccid paralysis, making it the main neighboring concept confused with tetanospasmin.
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About Veterinary Microbiology and Immunology
Covers the structure, classification, growth and transmission of bacteria, viruses, fungi and other disease causing microorganisms in animals. It explains innate and acquired immunity, antibodies, antigens, vaccination, hypersensitivity and diagnostic methods, while distinguishing infectious agents from the immune responses they produce.
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