Regarding germs found in the environment, or as part of the normal flora of animals or causing diseases in animals, occasionally, under certain con...
Regarding germs found in the environment, or as part of the normal flora of animals or causing diseases in animals, occasionally, under certain conditions, can cause serious infections in humans. Among the alternatives below, choose the one that is in accordance with them.
I- The Bacillus anthracis is a facultative anaerobic bacterium that causes infections in cattle and horses and can affect humans with a severe infection.
II- The anaerobic spore-forming bacilli of the genus Clostridium, including C. tetani and C. perfringens, which cause tetanus and gas gangrene, respectively, are Gram-negative and grow only under anaerobic conditions.
III- The diagnosis of tetanus is preferably made after the isolation of C. tetani.
IV- The C. botulinum toxin is thermolabile and can be destroyed at 80°C for 4 minutes, and can be isolated from food.
A) Only I is correct.
B) Only II is correct.
C) Only III is correct.
D) Only IV is correct.
E) I, II, III, and IV are correct.
I- The Bacillus anthracis is a facultative anaerobic bacterium that causes infections in cattle and horses and can affect humans with a severe infection.
II- The anaerobic spore-forming bacilli of the genus Clostridium, including C. tetani and C. perfringens, which cause tetanus and gas gangrene, respectively, are Gram-negative and grow only under anaerobic conditions.
III- The diagnosis of tetanus is preferably made after the isolation of C. tetani.
IV- The C. botulinum toxin is thermolabile and can be destroyed at 80°C for 4 minutes, and can be isolated from food.
A) Only I is correct.
B) Only II is correct.
C) Only III is correct.
D) Only IV is correct.
E) I, II, III, and IV are correct.
💡 1 Resposta
Ed 
A alternativa correta é a letra E) I, II, III e IV estão corretas. I - O Bacillus anthracis é uma bactéria anaeróbia facultativa que causa infecções em bovinos e cavalos e pode afetar humanos com uma infecção grave. II - Os bacilos esporulados anaeróbios do gênero Clostridium, incluindo C. tetani e C. perfringens, que causam tétano e gangrena gasosa, respectivamente, são Gram-negativos e crescem apenas em condições anaeróbias. III - O diagnóstico de tétano é preferencialmente feito após o isolamento de C. tetani. IV - A toxina C. botulinum é termolábil e pode ser destruída a 80°C por 4 minutos e pode ser isolada de alimentos.
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