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Questions and Answers
What is the primary cause of cutaneous anthrax?
What is the primary cause of cutaneous anthrax?
Which of the following bacteria causes peptic ulcer?
Which of the following bacteria causes peptic ulcer?
What is the primary cause of diphtheria?
What is the primary cause of diphtheria?
What is the primary cause of UTI and neonatal meningitis?
What is the primary cause of UTI and neonatal meningitis?
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Which of the following bacteria causes Malta fever?
Which of the following bacteria causes Malta fever?
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What is the primary cause of bacillary dysentery?
What is the primary cause of bacillary dysentery?
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Which of the following bacteria causes spastic muscle paralysis?
Which of the following bacteria causes spastic muscle paralysis?
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What is the primary cause of cholera?
What is the primary cause of cholera?
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Study Notes
Positive Bacilli
- Divided into spore forming and non-spore forming
Spore Forming Positive Bacilli
- Divided into aerobic and anaerobic types
Aerobic Spore Forming Positive Bacilli
- Has 2 types: Bacillus anthracis and Bacillus cereus
- Bacillus anthracis causes cutaneous anthrax, pulmonary anthrax, and intestinal anthrax
- Bacillus cereus causes enterotoxin food poisoning
Anaerobic Spore Forming Positive Bacilli
- Has 4 types: Clostridium tetani, Clostridium botulinum, Clostridium perfringens, and Clostridium difficile
- Clostridium tetani causes spastic muscle paralysis
- Clostridium botulinum causes flaccid muscle paralysis
- Clostridium perfringens causes gas gangrene myonecrosis
- Clostridium difficile causes diarrhea and colitis due to long-term antibiotic therapy
Non-Spore Forming Positive Bacilli
- Has 2 examples: Corynebacterium and Lactobacillus
- Corynebacterium causes diphtheria
Negative Bacilli
- Divided into 4 types: rod, curved, cocci, and mycobacterium
Rod Negative Bacilli
- Divided into 2 types: lactose fermented and non-lactose fermented
Lactose Fermented Negative Bacilli
- Motile lactose fermenter example: E. coli
- E. coli causes UTI and neonatal meningitis
- Non-motile lactose fermenter examples: Klebsiella
- Klebsiella causes UTI and pneumonia
Non-Lactose Fermented Negative Bacilli
- Motile non-lactose fermenter examples: Proteus and Salmonella
- Proteus causes urease +, bacteremia, and UTI
- Salmonella causes H2S +, septicemic, enteric fever, and food poisoning
- Non-motile non-lactose fermenter example: Shigella
- Shigella causes H2S -, bacillary dysentery
Curved Negative Bacilli
- Has 3 examples: Helicobacter pylori, Vibrio cholera, and Campylobacter
- Vibrio cholera causes comma-shaped, alkaliphilic, and causes cholera
- Helicobacter pylori causes acidophilus, microphilic, and peptic ulcer
Cocci Negative Bacilli
- Has 3 examples: Brucella, Haemophilus influenza, and Pseudomonas aeruginosa
- Brucella causes Malta fever, it's capnophilic
- Haemophilus influenza causes meningitis and pneumonia in infants, it's on chocolate agar
- Pseudomonas aeruginosa causes pleomorphic, and in patients with severe burns and immunosuppressed
Mycobacterium
- A type of non-spore forming rod
- Causes Mycobacterium tuberculosis and Mycobacterium leprosy
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Description
This quiz covers the classification of Bacillus and Clostridium, including spore-forming and non-spore forming types, and their respective diseases. Learn about the different types of Bacillus and Clostridium and their effects on human health.
