Consider the following causes of alopecia: 1. Androgenetic alopecia 2. Alopecia areata 3. Telogen effluvium 4. Lichen planopilaris. Which among the following causes non-scarring alopecia?
A1, 2 and 3
BOnly 4
C3 and 4
D2, 3 and 4
Which of the following best describes the current understanding of rosacea pathogenesis?
APrimarily caused by increased sebum production similar to acne vulgaris
BSolely due to increased reactivity of cutaneous blood vessels to vasodilators
CMultifactorial etiology with no single definitive cause established
DResults from bacterial infection affecting the entire face and back
Recalcitrant acne is treated by:
ASteroids
BRetinoids
COral erythromycin
DOral tetracycline
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