Dermatology MCQs
- Which of the following is the most common type of skin cancer?
- A) Melanoma
- B) Basal cell carcinoma
- C) Squamous cell carcinoma
- D) Merkel cell carcinoma
Answer: B) Basal cell carcinoma
- What is the characteristic skin lesion of psoriasis?
- A) Macules
- B) Vesicles
- C) Papules and plaques with silvery scales
- D) Nodules
Answer: C) Papules and plaques with silvery scales
- Which of the following is the first-line treatment for atopic dermatitis in children?
- A) Oral antibiotics
- B) Topical corticosteroids
- C) Systemic immunosuppressants
- D) Phototherapy
Answer: B) Topical corticosteroids
- What is the most common presentation of acne vulgaris?
- A) Erythematous macules
- B) Comedones, papules, and pustules
- C) Blisters and ulcers
- D) Annular plaques
Answer: B) Comedones, papules, and pustules
- Which condition is characterized by a “butterfly rash” on the cheeks and nose?
- A) Rosacea
- B) Systemic lupus erythematosus (SLE)
- C) Dermatomyositis
- D) Erythema multiforme
Answer: B) Systemic lupus erythematosus (SLE)
- In which condition is the “Koebner phenomenon” typically observed?
- A) Vitiligo
- B) Psoriasis
- C) Eczema
- D) Contact dermatitis
Answer: B) Psoriasis
- What is the most common causative organism of impetigo?
- A) Pseudomonas aeruginosa
- B) Staphylococcus aureus
- C) Escherichia coli
- D) Candida albicans
Answer: B) Staphylococcus aureus
- Which of the following is a key diagnostic feature of tinea corporis (ringworm)?
- A) Vesicular lesions on an erythematous base
- B) Annular lesions with central clearing and peripheral scaling
- C) Macules with a velvet texture
- D) Papules with a “target” appearance
Answer: B) Annular lesions with central clearing and peripheral scaling
- What is the mainstay of treatment for a patient with a first-degree burn?
- A) Systemic antibiotics
- B) Topical antimicrobial ointments
- C) Moisturizing and protecting the burn with dressings
- D) Immediate surgical debridement
Answer: C) Moisturizing and protecting the burn with dressings
- Which condition is characterized by the sudden appearance of multiple, pruritic wheals and is often triggered by an allergic reaction?
- A) Eczema
- B) Urticaria (hives)
- C) Psoriasis
- D) Rosacea
Answer: B) Urticaria (hives)