PANRE Dermatology 2

Question 1

A 55-year-old male presents with a pearly, translucent papule with rolled borders and telangiectasias on his nose. What is the most likely diagnosis?

Accepted Answer

Basal cell carcinoma

Answer

Basal cell carcinoma classically presents as a pearly papule with rolled borders and surface telangiectasias, most commonly on sun-exposed areas.

Question 2

Which topical agent is first-line for treating impetigo in a child with a small, localized area of honey-crusted lesions?

Accepted Answer

Topical mupirocin

Answer

Topical mupirocin is first-line for localized impetigo caused by Staphylococcus aureus or Streptococcus pyogenes.

Question 3

A 30-year-old woman develops a butterfly-shaped rash across her cheeks and nasal bridge that spares the nasolabial folds. Which test is most specific for confirming systemic lupus erythematosus?

Accepted Answer

Anti-dsDNA

Answer

Anti-dsDNA antibodies are highly specific for SLE (>95%) and correlate with disease activity, particularly lupus nephritis.

Question 4

A patient presents with sudden-onset urticaria and angioedema 20 minutes after eating shellfish. Blood pressure is 80/50 mmHg and heart rate is 120 bpm. What is the immediate treatment?

Accepted Answer

Epinephrine 1:1000 IM 0.3mg

Answer

Epinephrine 1:1000 IM (0.3–0.5 mg in the anterolateral thigh) is the first-line treatment for anaphylaxis due to its rapid vasopressor and bronchodilator effects.

Question 5

A 70-year-old man presents with a scaly, erythematous plaque on his lower lip that has been present for 8 months. Biopsy reveals full-thickness dysplasia. What is this condition?

Accepted Answer

Actinic cheilitis

Answer

Actinic cheilitis is a premalignant condition caused by chronic UV exposure, presenting as scaly, atrophic changes on the lower lip with risk of SCC transformation.

PANRE Test Practice Test

PANRE Test Practice Test

PANRE Dermatology 2