Botulism caused by Clostridium botulinum affects the :
Correct answer: B. Central nervous system
- A. Lymph glands
- B. Central nervous system
- C. Spleen
- D. Intestine
Explanation
Clostridium is a genus of gram-positive bacteria. They are obligate anaerobes capable of producing endospores. Individual cells are rod-shaped. Foodborne disease caused by C. botulinum is referred to as botulism (a muscle-paralyzing disease). It is caused by the ingestion of a neurotoxin (botulinum) produced by the microorganism in the food. Botulinum blocks nerve function, leading to respiratory and musculoskeletal paralysis. Symptoms of botulism include weakness, fatigue, and dizziness, followed by blurred vision and progressive difficulty in speaking and swallowing. Weakening of the respiratory muscles is also observed, and death may occur due to respiratory failure.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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