Skin Cancer & Melanoma ABCDE Detection Quiz

1. When counseling patients on skin cancer prevention, the most effective recommendation is:

Use sunscreen SPF 15 daily

Avoid sun exposure between 10am-4pm and use SPF 30+

Tanning is safe in moderation

Sunscreen alone provides complete protection

2. Which population has the highest incidence of melanoma?

African Americans

Hispanics

Caucasians

Asian Americans

3. A lesion with a diameter of 8mm, irregular borders, and three different colors meets how many ABCDE criteria?

One criterion

Two criteria

Three criteria

Four criteria

4. Which statement about UV exposure and skin cancer is correct?

Only UVB rays cause melanoma

Both UVA and UVB contribute to skin cancer risk

UV exposure has no cumulative effect

Indoor tanning beds are safer than sunlight

5. Which clinical feature suggests a lesion may be melanoma rather than a benign nevus?

Stable appearance for years

Uniform light brown color

Recent rapid growth and color change

Diameter

6. Which feature is NOT part of the ABCDE criteria for melanoma screening?

Asymmetry

Bleeding

Color variation

Diameter >6mm

Submit

8. Merkel cell carcinoma is a rare neuroendocrine skin cancer associated with which virus?

Human papillomavirus

Merkel cell polyomavirus

Varicella-zoster virus

Herpes simplex virus

9. Actinic keratosis is a precancerous lesion most commonly caused by:

Viral infection

Chronic sun exposure

Genetic predisposition alone

Occupational chemicals

10. A patient with a history of melanoma should undergo skin surveillance how often?

Annually

Every 2 years

Every 3-6 months

Only when symptomatic

11. Which statement about melanoma prognosis is accurate?

Depth of invasion has no impact on survival

Breslow thickness is the strongest prognostic indicator

Stage at diagnosis does not affect outcomes

All melanomas have similar mortality rates

12. Squamous cell carcinoma is associated with chronic exposure to which factor?

Humidity

Cold temperatures

Ultraviolet radiation

Indoor lighting

13. A patient has a 2mm brown macule with uniform color on the forearm. This is most consistent with:

Melanoma

Benign lentigo

Basal cell carcinoma

Seborrheic keratosis

14. Which risk factor is most strongly associated with melanoma development?

Smoking history

History of severe sunburns

Fair skin and blue eyes

Occupational chemical exposure

15. Basal cell carcinoma most commonly appears as which type of lesion?

Deeply pigmented nodule

Pearly papule with central ulceration

Scaly red plaque

Blue-black macule

16. A patient reports a mole that has been itching and bleeding spontaneously. What is your priority action?

Reassure and monitor

Refer to dermatology immediately

Apply topical antibiotic

Recommend over-the-counter cream

17. What is the most common site for melanoma in men?

Lower extremities

Back and shoulders

Face and neck

Palms and soles

18. A lesion with irregular borders and mixed colors (brown, black, tan) is concerning for which condition?

Benign nevus