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Exam 5: The Integumentary System

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Question 31

True/False

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The reason that the nail bed appears pink is the presence of a large number of melanocytes in the underlying dermis.

A) True
B) False

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Question 32

Multiple Choice

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The function of the root hair plexus is to _ .

A) serve as a source for new epidermal cells for hair growth after the resting stage has passed
B) cause apocrine gland secretion into the hair follicle
C) bind the hair root to the dermis
D) allow the hair to assist in touch sensation

E) None of the above
F) B) and D)

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Question 33

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Balding men have tried all kinds of remedies, including hair transplants, to restore their lost locks. Explain the cause of male pattern baldness.

Which of the following cutaneous receptors is specialized for the reception of touch or light pressure?

The dermis is rich in blood vessels and nerve fibers.

When a patient is said to have "third- degree burns," this indicates that the patient has burns that cover approximately one- third or more of the body.

Figure 5.1Using Figure 5.1, match the following: -Where capillary loops are found.

Name the four kinds of sudoriferous glands and give their locations.

Betty, an 83 year old woman, is bedfast due to a severely broken hip. Unfortunately, she has developed a decubitus ulcer. What is a decubitus ulcer and what may have caused it to occur?

Regardless of race, all human beings have about the same number of melanocytes.

Cradle cap in infants is called .

Changes in the color of skin are often an indication of a homeostatic imbalance. Which of the following changes would suggest that a patient is suffering from Addison's disease?

The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The superficial surface has structures called:

6) Ceruminous glands are modified merocrine glands.

Figure 5.1Using Figure 5.1, match the following: -Responsible for shock absorption and located in the hypodermis.

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?

Vernix caseosa is a _ .

The single most important risk for skin cancer is _ _

Figure 5.1Using Figure 5.1, match the following: -Site of the dermal ridges that produce epidermal ridges on the epidermal surfaces of the fingers.

Figure 5.1Using Figure 5.1, match the following: -Why is profuse sweating on a hot day good, and yet a potential problem?