Tetanus And Gas Gangrene Multiple Choice Questions

Tetanus And Gas Gangrene Multiple Choice Questions

Question 1. Which of the following statements regarding tetanus is false?

1. Exotoxins are produced by Clostridium tetani
2. The toxin gets fixed to the motor cells of anterior horn cells
3. It stimulates the release of cholinesterase
4. The period of onset is more important than the incubation period

Answer: 3. It stimulates the release of cholinesteraseQuestion

Question 2. Favourable conditions for the development of tetanus include all of the following:

1. Injury
2. Foreign body
3. Devitalised tissues
4. Aerobic conditions

Answer: 4. Aerobic conditions

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Question 3. Hyperbaric oxygen may be used in all of the following conditions except:

1. Gas gangrene
2. Decompression sickness
3. Carbon monoxide poisoning
4. Necrotising fasciitis

Answer: 4. Necrotising fasciitis

Question 4. The following facts are true regarding gas gangrene:

1. It is caused by Clostridium welch
2. Severe myonecrosis is a feature
3. Brownish fluid has a foul odour
4. The alpha toxin causes cell membrane damage

Answer: 3. Brownish fluid has a foul odour

Question 5. Positive Nagler reaction in gas gangrene is caused by:

1. Lecithinase
2. Beta toxin
3. Proteinase
4. Hyaluronidase

Answer: 1. Lecithinase

Question 6. Sponge-like consistency of the part is typically seen in which condition?

1. Necrotising fasciitis
2. Diabetic leg ulcer
3. Gas gangrene
4. Pyomyositis

Answer: 3. Gas gangrene

Question 7. The following are true regarding Clostridium welch:

1. Anaerobic
2. Gram-positive
3. Nonspore-bearing
4. Produces toxins

Answer: 3. Nonspore-bearing

Question 8. The following are the clinical features of gas gangrene:

1. Crepitus
2. Khaki coloured skin
3. Low-grade fever
4. Hypertension

Answer: 4. Hypertension

Question 9. The following are features of necrotising fasciitis type 2:

1. It is monomicrobial—β-haemolytic streptococci
2. It may also occur in young and healthy individuals
3. Organism is Clostridium perfringens
4. It may give rise to toxic shock syndrome

Answer: 3. Organism is Clostridium perfringens

Question 10. Which of the following is false regarding gas gangrene prevention?

1. Antigas gangrene for risk groups
2. Prophylactic antibiotics
3. Blood sugar level should be maintained within 200 mg/dl
4. Avoid tourniquets while operating on crushed wounds in the legs

Answer: 3. Blood sugar level should be maintained within 200 mg/dl