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Dark-skinned peoplehave more melanocytes than light-skinned peopleare less likely than light skinned people to get sunburnedare less likely to develop skin canceral...

Question

Dark-skinned peoplehave more melanocytes than light-skinned peopleare less likely than light skinned people to get sunburnedare less likely to develop skin cancerall of the above

Dark-skinned people have more melanocytes than light-skinned people are less likely than light skinned people to get sunburned are less likely to develop skin cancer all of the above



Answers

Which of the following statements regarding skin cancer is true? a. Chemical carcinogens contribute more to the development of skin cancer than UV radiation. b. Sun exposure during childhood does not impact the development of skin cancer later in life. c. Tanning booths enable safer tanning because the UV exposure from lamps is not likely to contribute to the development of skin cancer. d. Skin cancer can develop from cumulative sun exposure, even in the absence of sunburns.

This question asks. In general, skin cancers are which of the following easily treatable and not a major health concern occurred due to poor hygiene can be reduced by limiting exposure to the sun and the fact only the epidermis. So let's start off with, ah effect only the epidermis. And actually it kind of leads to choice as well. If we are to think about a skin cancer, Yes, usually you would see the skin cancer developing on the epidermal A. Uh, also, you see it in Derm away or not so much in the high Podemos, but in the epidemics and the Durmus. That is where you would see the development of skin cancer. But the problem is the skin cancer, usually in that area in the dermal layer on the epidermis. Usually that will not be riel threat toe life. However, the danger is when it begins to spread and this is known as metastasizing. So when our cancer, the skin cancer, is going to metastasize through a process known as metastases, that is where we're going to see a movement of the cancer from the original point to the blood stream and subsequent systems. So this skin cancer can eventually end up in the brain if it is going to follow all of the wiring that we have oh, that the the whole circulatory system and cannot eventually end up in the brain. All these cancerous cells. And this because a problem. Because now we have a brain cancer from a skin cancer that was left untreated, so to say that is easily treatable. Sure, it couldn't be treated. But it is definitely a major health concern because any cancer can metastasize and move to a different location, so choice they will be incorrect in That also goes along with Choice D, which only affects only epidemics. Well, maybe my starting the evidence, but then it can move and affecting such a DeLong's. The heart, uh, deliver the kidneys. It can metastasizing move to a whole different body system, and then the fact that occurs due to poor hygiene. That is not necessarily true because of the answer, which is the number one cause of skin cancer will be exposure to ultraviolet radiation, so ultraviolet radiation it causes what are known as timing dime ear's in the DNA, and that will lead to mutations that can eventually become cancer causing, so it's important to know ultraviolet radiation. If we are to limit that, then we will significantly reduce our risk of cancer. So choice see will be the correct answer here.

In this video, we're gonna be talking about a process called A to Fiji. So essentially what this process is um your cell is trying to get rid of any components that it doesn't want. And how does this is, it's actually going to um get all those components that it doesn't want and create something called an auto focus zone. So auto fact is um right here, which has the components that you don't want. That bicycle, right? This bicycle is going to fuse with an organ called a license um which has a lot of enzymes that is going to break down these components. So when these two fused together, you're going to create something called auto life zone. And then it's going to return these broken down components back into the cytoplasm. And this process is thought to be um a key contributor to why there are different skin colors. Why there is a diverse right array of skin colors um that exists. Some people have lighter skin, some people have darker skin. Um, and we already know that, yeah, the differences in skin color is attributed to the concentration of melanin in your skin, which is a pigment than essentially absorbs sunlight. So the more that you have, so the more melon and you have the darker your skin, the lower concentrations the letter of your skin. And it turns out that in melanocytes, which are the cells that produce melanin, you have these organelles cod milano zones. So, um it's hypothesized that people with darker skin colors have more milano zones. And uh, my guess is that um it's still not confirmed, but people with letter skin have more of have more Takaji occurring in these melanocytes where these milano zones, right? Um that are making melon in this melanin is going to be broken down more in these individuals with letter skin, which explains why their skin is light. They don't have enough. They don't have as much Melanie and relative to the people with darker skin

This question asks, What could be inferred from Sun tans France Choices are sunning for the purpose of tanning produces held your skin a tan might indicate sun damage to the skin. Tanning strengthens the elastic in the skin, making the skin feel tight. And tanning promotes skin that has a more youthful appearance. Well, we know that although tanning is favorable in are given culture, we see that, uh, most often with Tan's. There will be a risk of DNA damage due to ultraviolet radiation, because what happens is for our sunlight. We usually see these ultraviolet rays, which will cause de any damage in our skin cells, which could eventually lead to cancer. So, for example, ah, you could get a melanoma or a skin cancer. So although it would, uh, perhaps make you feel more youthful, it would not really promote that youthful experience. Youthful appearance, because suntanning does produce wrinkles, so there is going to be an increased likelihood of wrinkles. And actually, you could say of premature wrinkles because once again there's this DNA damage, and progressively our skin would get weaker. So to say that it strengthens it would also be incorrect because, like we said there is going to be this weakening of skin and the cells in the skin as well, um, and then as well as healthier skin. Well, as we said, there is a risk of cancer. So to say that, well, it's going to be healthier. That is not necessarily true either. So the correct answer here is going to be choice. Be because it may indicate sun damage to the skin, as we said due to this ultraviolet radiation.

We know that ultraviolet light have hi energy for dawns So ultra violet entre voil it light Ultraviolet light light is high energy photons. It has got high energy. Hi and her See high energy high energy for dawns phone tones. Okay, but that's not the case for visible light. That's not the case for visible light. Visible, visible light. Visible light. Um, four tones of visible light have less energy than, uh, the energy of photons off onto a violent lines so they have less energy. They have less amount of energies lace energy. It's comfort to enjoin it light, they have less energy. Visible light have, uh, less energy. Since ultraviolet light has high energy photons, they can penetrate deep inside our skin and cause some bones. But with the light cannot passed through our skin, it is absorbed by the very first later for skin. Therefore, visible light does not constantly son bon. Where is ultraviolet light causing sudden bonds. And if the problem thank you


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