Bacterial Skin Infections Practice Questions

Question 1

A healthcare worker develops fever, night sweats, and cough. Sputum shows acid-fast bacilli. What is the next diagnostic test?

Accepted Answer

NAAT for TB

Answer

Gram stain

Answer

Serology for TB

Answer

Sputum culture

Question 2

What is the diagnosis of a child with a small abrasion over the face who develops fever with chills, induration, and fiery red swelling over the face extending to the ear?

Accepted Answer

Erysipelas

Answer

Anthrax

Answer

Carbuncle

Answer

Cellulitis

Question 3

Systemic Inflammatory Response Syndrome (SIRS) is characterized by all of the following EXCEPT:

Accepted Answer

Platelet count (<1,00,000/mm3)

Answer

Hyperthermia (>38˚C)

Answer

Tachypnoea (>20/min)

Answer

Hypothermia (<36˚C)

Question 4

Which of the following are correct in respect of Systemic Inflammatory Response Syndrome (SIRS)?

1. It is caused by the release of lipopolysaccharide endotoxin from dying E. coli bacteria.
2. It is same as bacteraemia.
3. It results in Multiple Organ Dysfunction Syndrome (MODS).
4. White cell counts of more than 12 × 10^9/litre are present. Select the answer using the code given below.

Accepted Answer

1, 3 and 4

Answer

2, 3 and 4

Answer

1, 2 and 3

Answer

1, 2 and 4

Question 5

A 24-year-old woman with bacterial vaginosis is admitted to the hospital in preterm labor at 30 weeks. What is the most appropriate antibiotic regimen?

Accepted Answer

Metronidazole 500mg orally twice daily for 7 days

Answer

Metronidazole 2g orally single dose

Answer

Clindamycin 300mg orally twice daily for 7 days

Answer

Clindamycin 5g vaginal cream for 7 days

Question 6

Which one of the following statements is NOT correct regarding Necrotising Soft Tissue infections?

Accepted Answer

They are monomicrobial in nature

Answer

Treatment consists of wide local excision and appropriate antibiotics

Answer

Tissue biopsy is required for culture and diagnosis

Answer

Crepitus, skin blistering and focal skin gangrene are typical presenting features

Question 7

What is the treatment for granuloma inguinale?

Accepted Answer

Azithromycin

Answer

Tetracycline

Answer

Clarithromycin

Answer

Streptomycin

Question 8

An 18-year-old man has facial and upper back lesions that have waxed and waned for the past 6 years. On physical examination, there are 0.3- to 0.9-cm comedones, erythematous papules, nodules, and pustules most numerous on the lower face and posterior upper trunk. Other family members have been affected by this condition at a similar age. The lesions worsen during a 5-day cruise to the Adriatic. Which of the following organisms is most likely to play a key role in the pathogenesis of these lesions?

Accepted Answer

Propionibacterium acnes

Answer

Herpes simplex virus type 1

Answer

Group A β-hemolytic streptococcus

Answer

Mycobacterium leprae

Question 9

A 35-year-old obese woman presents with recurrent lesions in both axilla in summer season. Wood lamp examination is shown. The diagnosis is:

Accepted Answer

Erythrasma

Answer

Ecthyma

Answer

Impetigo contagiosa

Answer

Bullous impetigo

Question 10

Which of the following drug classes is commonly implicated in causing Stevens-Johnson syndrome?

Accepted Answer

Antibiotics

Answer

Corticosteroids

Answer

Antifungals

Answer

Proton pump inhibitors

Bacterial Skin Infections

Study Resources

Lessons

Questions

Flashcards

Lessons

Impetigo

Folliculitis, Furuncles, and Carbuncles

Ecthyma

Erysipelas and Cellulitis

Staphylococcal Scalded Skin Syndrome

Necrotizing Fasciitis

Cutaneous Tuberculosis

Leprosy

Lyme Disease

Syphilis

Antibiotic Resistance in Dermatology

Prophylaxis and Management

Practice Questions

Flashcards

About Bacterial Skin Infections for NEET-PG

Lessons in Bacterial Skin Infections

Master Bacterial Skin Infections