Cellulitis and other Skin Infections - Post Test

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Question 1 of 10

1. Question

Which of the following signs are useful in differentiating cellulitis from alternative diagnoses?

Select one or more options.

Skin tenderness
Correct Incorrect Correct answer

Systemic upset
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Erythema
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Lymphangitis
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Unilateral swelling
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Question 2 of 10

2. Question

Which of the following organisms most commonly causes cellulitis?

Streptococcus milleri
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Group A beta-haemolytic streptococci
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Both Staphylococcus aureus and Group A beta-haemolytic streptococci
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Clostridium perfringens
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MRSA
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Question 3 of 10

3. Question

Which of the following patients with cellulitis would be suitable for outpatient management with oral antibiotics?

An elderly lady with leg cellulitis who is unable to mobilise or self-care
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A 32-year-old diabetic with facial cellulitis
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A confused patient with learning difficulties and spreading erythema of the groin
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A 70-year-old with leg cellulitis who is apyrexial and pain-free but tachycardic and feeling unwell
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A 40-year-old with cellulitis secondary to an insect bite. She is systemically well and her vital signs are normal
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Question 4 of 10

4. Question

Blood cultures are positive in what percentage of patients with uncomplicated (Class I and II) cellulitis?

Less than 5%
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20%
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40%
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60%
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80%
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Question 5 of 10

5. Question

The most effective treatment for impetigo would be?

Fucidin® H
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Mupirocin 2%
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Chloramphenicol eye ointment 1%
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Amoxicillin 125 mg orally three times a day
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Aqueous cream
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Question 6 of 10

6. Question

Which of the following statements about impetigo are correct?

Select one or more options.

Several different clinical forms exist
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Most causal organisms are resistant to mupirocin
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Staphylococcus aureus is the commonest causal organism
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Nasal carriage of causal organisms can result in recurrent impetigo
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MRSA is seen as a cause of community acquired impetigo
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Question 7 of 10

7. Question

Which of the following statements regarding recurrent cellulitis are correct?

Select one or more options.

Foot dermatophytes can provide entry ports for infection
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There is no association between lymphoedema and recurrent cellulitis
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Prophylactic antibiotic therapy has not been shown to reduce the frequency of episodes of cellulitis
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Diabetes mellitus is not a risk factor
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5% of patients who have a first episode of lower limb cellulitis will experience a recurrence
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Question 8 of 10

8. Question

Which of the following is beneficial in the management of cellulitis?

Select one or more options.

Elevation of the affected limb
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Maintaining good hydration
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Appropriate antibiotic therapy
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Examination for predisposing factors (such as diabetes mellitus, venous and arterial insufficiency, eczema)
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Effective analgesia
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Question 9 of 10

9. Question

Which of the following would suggest a diagnosis of necrotising fasciitis rather than uncomplicated cellulitis?

Erythema and oedema
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Blistering
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Lymphadenopathy
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Skin tenderness
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Severe pain despite mild skin changes
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Question 10 of 10

10. Question

In necrotising fasciitis, the most important step in diagnosis and management is:

Bacterial swab
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Surgical exploration and debridement in theatre
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MRI scan to identify gas tracking through tissue planes
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Blood cultures
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X-ray for free gas in the tissues
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2 Comments

Dr Syed Shahbaz Ahmer December 17, 2023 at 2:06 pm

Excellent Review

Dr Hanan Alsuhail (Group Leader) February 13, 2026 at 2:21 pm

so helpful module! learnt a lot. also the clinical case of the 81 yo lady with dvt history is very very similar to what i see day to day

Cellulitis and other Skin Infections – Post Test

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