As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come across an article about the hazards of prolonged exposure to the sun's rays. Your curious nature leads you to research the subject further. You're fascinated to learn that minimal exposure to the sun allows your skin to manufacture vitamin D, which is important to help maintain homeostasis. You also read that although sunscreen can help protect you from the ultraviolet (UV) rays of the sun, some medications can actually increase a person's sensitivity to sunlight. What Really Causes Sunburns? Step 2: Answer all three parts of the initial prompt below: Explain your personal concerns about prolonged exposure to the sun. Explain one thing you learned from the video about what really causes the skin to burn in the sun. Describe how you will apply this new knowledge of the dangers of sun exposure to your daily life.
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Step 1
- Explain your personal concerns about prolonged exposure to the sun. - Explain one thing you learned from the video about what really causes the skin to burn in the sun. - Describe how you will apply this new knowledge of the dangers of sun exposure to your daily Show more…
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Ultraviolet (UV) radiation is known to damage the skin; excessive exposure can cause enough damage to stimulate acute inflammation (sunburn). Histologic examination of the epidermis shows a layer of keratinocytes that have undergone premature apoptosis (killed themselves before they would normally have died) and a lack of Langerhans cells in the affected region. Severe sunburns are followed several days later by non-bleeding blistering and peeling of large patches of skin. In the following weeks, the epidermis becomes thicker and darker (tan!). Hypothesize about which layers and/or sublayers of the skin are primarily affected, and why the blistering, peeling, thickening, and darkening occur. Be sure to explain your reasoning. This answer requires a logical hypothesis based on what we've learned about the specific microanatomy of the skin; it does not require "THE" correct answer.
Josee P.
According to the American Academy of Dermatology (2015) states that current estimates one in five Americans will develop skin cancer in their lifetime with a rate of one out 50 patients developing melanoma. The skin's exposure to the sun's UV rays has a tremendous health benefit on the skeletal system. What is this impact and its overall importance? Unfortunately, too much skin exposure to UV rays can have a detrimental effect one's overall health too. What skin complication(s) can result from too much exposure to the sun's UV rays? One mechanism of UV exposure for teenagers and adults are tanning beds. Should we outlaw the use of tanning beds to help prevent these health complications? Put limitations on them, such as make it prescription based? Why or why not? What is the solution with the use of tanning beds for teenagers and adults to limit UV ray exposure?
Jennifer S.
The American Academy of Dermatology (2018) states that skin cancer is the most common cancer in the United States. One in five Americans will develop skin cancer in their lifetime. Protecting our skin from harmful ultraviolet rays is imperative. However, the human body does benefit from a mild to moderate amount of UV radiation. What is the best way to protect your skin from sun-related damage? What are the advantages and disadvantages to sunscreens containing common active ingredients such as oxybenzone, octocrylene, and homosalate? Are there benefits to using mineral sunscreens, such as zinc oxide or titanium dioxide? How effective are natural sunscreens, such as coconut oil or shea butter? If a sunscreen product is not regulated by the FDA, how can you determine if the product’s claims are true?
Madhur L.
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