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Study Guide Answers

1.     Skin cancer occurs when ____________________________ cells begin to be produced at a(n) _______________________________ rate in the ________________________ layers of the skin.
     abnormal/ uncontrolled/ outer
2.     On what parts of the body is skin cancer most likely to occur?
     on the face, neck, hands, and arms
3.     What are the two main layers of the skin?
     the epidermis and the dermis
4.     The top layer of the skin is the _______________________________.
     epidermis
5.     What happens when skin is exposed to ultraviolet rays?
     The melanocytes produce melanin.
6.     What does melanin do?
     It acts as a natural sunscreen and reflects some of the ultraviolet rays. It makes skin look dark.
7.     What are the two types of ultraviolet radiation?
     UVA rays and UVB rays
8.     Frequent exposure to UV rays can damage the _______________________ that is found in the nuclei of skin cells.
     DNA
9.     When cells multiply out of control, a person has developed ______________________________.
     cancer
10.     What are two non-melanoma cancers?
     basal cell carcinoma/ squamous cell carcinoma
11.     ___________________________ cancers are responsible for more than 75% of all skin cancer deaths.
     Melanoma
12.     What is the most common kind of skin cancer?
     basal cell carcinoma
13.     Basal cell carcinoma quickly spreads to other parts of the body. True or false?
     false
14.     What does basal cell carcinoma resemble?
     a smooth, pearl-shaped lump
15.     ___________________________ cell carcinoma breaks down and ulcerates.
     Squamous
16.     What is the least common type of skin cancer?
     malignant melanoma
17.     What is the most dangerous type of skin cancer?
     malignant melanoma
18.     Malignant cancers can spread through the _____________________________ to other parts of a person's body.
     bloodstream
19.     Your genetic background plays a role in how your skin reacts to sun. True or false?
     true
20.     Describe a person who would be most likely to develop skin cancer.
     red or blond hair, fair-skinned and freckles easily, light eyes
21.     The sun is more intense, the _________________________ you are to the equator.
     closer
22.     The sun is more intense at [lower/higher] elevations.
     higher
23.     Certain medications can make your skin more sensitive to the sun. True or false?
     true
24.     At what age do most skin cancers appear?
     around the age of 50
25.     Most of the serious damage to your skin occurs before your ________________ birthday.
     18th
26.     If it's cloudy outside, you don't have to wear sunscreen. True or false?
     false
27.     Between what hours of the day should you avoid being outside?
     between the hours of 10 a.m. and 4 p.m.
28.     Tanning beds that are found in health clubs are perfectly safe to use. True or false?
     false
29.     How often should you examine your skin?
     every month
30.     When a doctor removes skin and has it tested, this is a(n) ______________________________.
     biopsy
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.