Exam 8: Cancer

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Malignant tumours are classified according to

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C

Breast cancer is linked to alcohol consumption.

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Define carcinogen; give four examples of carcinogens and describe how they may cause cancer.

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A carcinogen is any substance or agent that is capable of causing cancer in living tissues. Carcinogens can be found in various forms such as chemicals, radiation, and certain viruses. They can cause cancer by damaging the DNA in cells, which can lead to mutations and uncontrolled cell growth.

Four examples of carcinogens include:
1. Tobacco smoke: The chemicals in tobacco smoke can damage the DNA in cells, leading to mutations that can cause lung, throat, and other types of cancer.
2. Ultraviolet (UV) radiation: UV radiation from the sun or tanning beds can cause DNA damage in skin cells, leading to skin cancer.
3. Asbestos: Exposure to asbestos fibers can cause DNA damage in lung cells, leading to lung cancer and mesothelioma.
4. Benzene: This chemical, found in products such as gasoline and industrial solvents, can cause DNA damage in blood cells, leading to leukemia.

Overall, carcinogens can cause cancer by directly damaging DNA, interfering with the cell's ability to repair DNA damage, or disrupting the normal cell growth and division processes. It's important to minimize exposure to known carcinogens and take precautions to protect against their harmful effects.

Which of the following statements regarding testicle self-examination is FALSE?

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What do obesity and alcohol use have in common that increases breast cancer risk?

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Choose one of the common cancers described in your text. Briefly describe the cancer, its risk factors, signs/symptoms, and treatment. List at least three lifestyle strategies for prevention.

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Jen has fair skin, and both her mother and her aunt have been treated for skin cancer. This coming weekend, Jen and her friends are planning an all-day outdoor hike near a high-mountain lake; she expects there will be a mix of sun and shade on the trail and at the lakeshore beach. She is looking forward to the hike, but she wants to avoid getting a sunburn or any sun damage. The group is tentatively planning to have a noon lunch on the lakeshore beach. To protect her skin at lunchtime, Jen's best strategy would be to

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To obtain nutrients, cancer cells signal the body to produce new blood vessels, a process called

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A physician who specializes in the study of tumours is known as a(n)

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The most common cause of cancer death in North America is

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Monoterpenes are found in which of the following foods:

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The most common form of cancer in women is cancer; the most common cause of cancer death in women is _.

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Melanoma usually appears at the site of a preexisting mole.

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Cancer of the lining of the uterus is called cancer.

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Which of the following is TRUE about cancer death rates since 1991?

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Jen has fair skin, and both her mother and her aunt have been treated for skin cancer. This coming weekend, Jen and her friends are planning an all-day outdoor hike near a high-mountain lake; she expects there will be a mix of sun and shade on the trail and at the lakeshore beach. She is looking forward to the hike, but she wants to avoid getting a sunburn or any sun damage. Jen is wearing a shirt with a UPF rating of 25. This means

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The travelling and seeding of cancer cells beyond their site of origin is called metastasis.

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Which of the following statements is TRUE about brain cancer?

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Jen has fair skin, and both her mother and her aunt have been treated for skin cancer. This coming weekend, Jen and her friends are planning an all-day outdoor hike near a high-mountain lake; she expects there will be a mix of sun and shade on the trail and at the lakeshore beach. She is looking forward to the hike, but she wants to avoid getting a sunburn or any sun damage. Jen should do all of the following before leaving for the hike, EXCEPT

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The most dangerous form of skin cancer is

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