Most moles are harmless, but some can be dangerous. See if you know the difference between healthy and cancerous moles in this info-packed quiz.
Which type of cancer accounts for only 5 percent of skin cancer cases, yet is responsible for a large number of cancer deaths?
- squamous cell carcinoma
- basal cell carcinoma
What's the name of the skin cell that clusters to form a mole?
What percentage of freckles become cancerous?
- 1 percent
- 10 percent
- Freckles aren't likely to become cancerous.
Which acronym does the American Academy of Dermatology use to help people determine changes in a mole?
What types of border irregularities are common in melanomas?
- flaky borders
- green borders
- scalloped borders
What is the ideal maximum diameter size for a normal, healthy mole?
- 1/10 inch (2.54 mm)
- 1/4 inch (6.35 mm)
- 1/2 inch (12.70 mm)
What is a sign that a mole is evolving?
- both itching and burning
What type of test does a doctor conduct to determine whether or not a mole is cancerous?
- a blood test
- a biopsy
- a urine test
What stage of melanoma indicates the cancer has not spread beyond the upper layer of skin?
What is the 10-year survival rate for someone diagnosed with stage IV melanoma?
- 14 percent
- 32 percent
- 68 percent