Question 1

Billions of consumer dollars are spent for deodorants and antiperspirants each year. Explain the production of body odors frequently associated with axillary skin.

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Question 2

Explain why soap that has an alkaline base may not be healthy for some patients to use daily.

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Question 3

We are told that every surface we touch is teeming with bacteria, and bacteria are found in the pools we swim in, the water we wash with, and on the hands of friends. Why are we not inundated with bacterial infections on our skin?

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Question 4

What complications might be anticipated from the loss of large areas of skin surfaces?

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Question 5

The 68-year-old patient was admitted to the hospital medical floor with a diagnosis of chronic bronchitis. His wife asks the nurse why his skin looks blue. How would you explain cyanosis to the patient and his wife?

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Question 6

Robert, a surfer, has a mole that has changed its shape and size. His doctor, applying the ABCDE rule, diagnosed a melanoma. What do the letters ABCDE represent?

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Question 7

John, a younger teenager, notices that he is experiencing a lot of pimples and blackheads, which frequently become infected. What is causing this problem?

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Question 8

Why are the apocrine sweat glands fairly unimportant in thermal regulation?

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Question 9

The temperature yesterday was an uncomfortable 98°F. You unwisely chose to play tennis at noon, counting on your body's internal defenses to protect you against heat exhaustion. How did your body respond to this distress?

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Question 10

Janet, a 28-year-old lawyer, bought a brand new pair of shoes for her first court appearance. After wearing them for the first time, she noticed pain on her heel and a fluid-filled lesion. Explain what has happened.

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Question 11

What is the function of skin dermal folds and deep skin creases?

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Question 12

Why is profuse sweating on a hot day good, and yet a potential problem?

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Question 13

The Waldorf family was caught in a fire but escaped. Unfortunately, the father and daughter suffered burns.
The father had second-degree burns on his entire chest, abdomen, and both arms, and third-degree burns on his entire left lower extremity. The daughter suffered first-degree burns on her whole head and neck and second-degree burns throughout both lower extremities.
a. What percentage of the father's body was covered by burns?
b. What percentage of the daughter's body received first-degree burns?
c. What part of the daughter's body has both the dermis and epidermis involved?
d. The father experiences a good deal of pain in the area of the chest and abdomen, but little pain in the leg. Why?

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Question 14

Mary noticed a large, brown spot on her skin. She has been playing tennis in the sun for several years without sun protection. She reported the discovery to a friend, who told her to apply the ABCD rule to determine whether or not she had malignant melanoma. Her friend told her that if her answer was "no" to the questions that were asked by the ABCD rule, she had nothing to worry about. What is the ABCD rule and should she ignore the spot if her answers are negative?

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Question 15

Melanoma is a form of skin cancer that arises from melanocytes. Melanoma is most common in Caucasians between 40 and 70 years of age. Explain why Caucasians would have a greater incidence of melanoma.

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Quiz 5: The Integumentary System