NURS 5433 Family 1 Mock Exam– 50 Question & Answers:
Complete Solution
Family Nurse Practitioner
Dermatology
A 7-year-old presents with honey-colored crusted lesions around the nose and
mouth. Which is the most likely diagnosis?
Answer: Impetigo
Explanation: Caused by Staph aureus or Strep pyogenes. Classic finding = honey-
colored crusts.
A patient presents with a herald patch followed by a diffuse 'Christmas tree' rash
along the trunk. Most likely diagnosis?
Answer: Pityriasis rosea
Explanation: Herald patch then smaller lesions in a Christmas tree distribution. Self-
limited.
A pearly papule with telangiectasia on the nose is most consistent with?
Answer: Basal cell carcinoma
Explanation: Most common skin cancer, slow growing, rarely metastasizes.
A patient presents with scaly, ulcerated lesion on the lip. Most likely diagnosis?
Answer: Squamous cell carcinoma
Explanation: Associated with actinic keratosis, more likely than BCC to metastasize.
Which skin lesion follows the ABCDE mnemonic?
Answer: Melanoma
Explanation: Asymmetry, Border, Color, Diameter, Evolution.
Well-demarcated erythematous plaques with silvery scales on extensor surfaces
suggest?
Answer: Psoriasis
Explanation: Chronic autoimmune condition, nail pitting common.
Purple, polygonal, pruritic papules on wrists and shins are classic for?
Answer: Lichen planus
, Explanation: Associated with Hepatitis C infection.
Circular lesion with central clearing and raised red border is most likely?
Answer: Tinea corporis
Explanation: Dermatophyte infection, treated with topical antifungals.
Flushing and papules on the central face with telangiectasias indicate?
Answer: Rosacea
Explanation: Treated with topical metronidazole.
Target lesions following HSV infection indicate?
Answer: Erythema multiforme
Explanation: Hypersensitivity reaction, often to HSV or medications.
Intensely pruritic burrows, worse at night, especially in finger webs, are due to?
Answer: Scabies
Explanation: Caused by Sarcoptes scabiei, treated with permethrin.
Eczematous rash in flexural areas is most consistent with?
Answer: Atopic dermatitis
Explanation: Associated with atopic triad: asthma, allergic rhinitis, eczema.
A rough, scaly lesion on sun-exposed skin that may progress to SCC is?
Answer: Actinic keratosis
Explanation: Premalignant lesion.
Unilateral dermatomal vesicular rash with pain
is? Answer: Herpes zoster (shingles)
Explanation: Reactivation of varicella zoster virus.
A wood’s lamp showing green fluorescence on scalp lesion suggests?
Answer: Tinea capitis
Explanation: Fungal infection of scalp.
A child with fever and 'slapped cheek' rash has which viral illness?
Answer: Fifth disease (Parvovirus B19)
Complete Solution
Family Nurse Practitioner
Dermatology
A 7-year-old presents with honey-colored crusted lesions around the nose and
mouth. Which is the most likely diagnosis?
Answer: Impetigo
Explanation: Caused by Staph aureus or Strep pyogenes. Classic finding = honey-
colored crusts.
A patient presents with a herald patch followed by a diffuse 'Christmas tree' rash
along the trunk. Most likely diagnosis?
Answer: Pityriasis rosea
Explanation: Herald patch then smaller lesions in a Christmas tree distribution. Self-
limited.
A pearly papule with telangiectasia on the nose is most consistent with?
Answer: Basal cell carcinoma
Explanation: Most common skin cancer, slow growing, rarely metastasizes.
A patient presents with scaly, ulcerated lesion on the lip. Most likely diagnosis?
Answer: Squamous cell carcinoma
Explanation: Associated with actinic keratosis, more likely than BCC to metastasize.
Which skin lesion follows the ABCDE mnemonic?
Answer: Melanoma
Explanation: Asymmetry, Border, Color, Diameter, Evolution.
Well-demarcated erythematous plaques with silvery scales on extensor surfaces
suggest?
Answer: Psoriasis
Explanation: Chronic autoimmune condition, nail pitting common.
Purple, polygonal, pruritic papules on wrists and shins are classic for?
Answer: Lichen planus
, Explanation: Associated with Hepatitis C infection.
Circular lesion with central clearing and raised red border is most likely?
Answer: Tinea corporis
Explanation: Dermatophyte infection, treated with topical antifungals.
Flushing and papules on the central face with telangiectasias indicate?
Answer: Rosacea
Explanation: Treated with topical metronidazole.
Target lesions following HSV infection indicate?
Answer: Erythema multiforme
Explanation: Hypersensitivity reaction, often to HSV or medications.
Intensely pruritic burrows, worse at night, especially in finger webs, are due to?
Answer: Scabies
Explanation: Caused by Sarcoptes scabiei, treated with permethrin.
Eczematous rash in flexural areas is most consistent with?
Answer: Atopic dermatitis
Explanation: Associated with atopic triad: asthma, allergic rhinitis, eczema.
A rough, scaly lesion on sun-exposed skin that may progress to SCC is?
Answer: Actinic keratosis
Explanation: Premalignant lesion.
Unilateral dermatomal vesicular rash with pain
is? Answer: Herpes zoster (shingles)
Explanation: Reactivation of varicella zoster virus.
A wood’s lamp showing green fluorescence on scalp lesion suggests?
Answer: Tinea capitis
Explanation: Fungal infection of scalp.
A child with fever and 'slapped cheek' rash has which viral illness?
Answer: Fifth disease (Parvovirus B19)
