Question

question 4
20 points
which person is at highest risk of developing a cutaneous carcinoma?
a an eighty - year - old who spends most of her time indoors
b a light - complexioned man age 52 who goes to the beach on summer weekends and does not use sunblock because he likes to be tan
c a black woman who spends most of her time in her office
d a twenty - two - year - old college student who is outdoors often and uses sunblock

Explanation:

• Risk factors for cutaneous carcinoma include light skin (less melanin protection), sun exposure (UV radiation is a carcinogen), and lack of sunblock use.
• Option A: Limited sun exposure reduces risk.
• Option B: Light - complexion (less melanin), middle - aged (increased cumulative sun exposure over years), beach visits (sun exposure), no sunblock (no protection).
• Option C: Dark skin (more melanin, protective), office - based (limited sun exposure).
• Option D: Uses sunblock (protective).

Answer:

B. a light - complexioned man age 52 who goes to the beach on summer weekends and does not use sunblock because he likes to be tan