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Which of the following is not a layer of the epidermis?
Papillary layer
Which of the following is incorrectly paired?
Langerhans cells
: activate the immune system
Melanin
: provides protection against UV radiation
Keratinocytes
: produce a fibrous protein to protect the epidermis
NOT-Tactile cells
: anchor the skin to the body
Earwax is made by _________________
ceruminous glands.
In thick skin, you would expect the __________ to be more prominent than it is in thin skin.
stratum lucidum
Sweat is secreted by:
sudoriferous glands
What is the role of the hair matrix?
The hair matrix produces hair.
Sebum does not:
NOT-protect the skin from the damaging effects of UV radiation
slow water loss from the skin during low humidity conditions.
protect the skin from bacteria.
lubricate the skin.
Which of the following represents a difference between eccrine sweat glands and apocrine sweat glands?
The secretions of apocrine sweat glands contain more fat and protein than do the secretions of eccrine glands.
The skin consists of three main regions. From deep to superficial they are the:
hypodermis, dermis, and epidermis.
Which of the following best explains the fact that eyebrows do not grow as long as the hair on the head?
The follicles of the eyebrow are active for a few months, while the follicles of the scalp are active for years.
Which of the following does not protect the skin from bacteria?
Cathelicidins
NOT-The temperature of the skin
The low pH of the skin
The salinity of the skin
Defensins
The most common type of skin cancer is:
basal cell carcinoma.
A cancerous growth on the skin will likely exhibit
asymmetry.
What part of the dermis gives rise to friction ridges (fingerprints)?
The papillary layer.
What layer(s) of the skin is (are) damaged in a second-degree burn?
The epidermis and the superficial regions of the dermis are damaged.
Melanin helps to protect skin cell DNA from the damaging effects of ultraviolet (UV) radiation. T/F
True
False
True
The epidermis uses a modified form of cholesterol to produce a vitamin D precursor. T/F
True
False
True
Hair and nails are made primarily of calcium. T/F
True
False
False
Our skin helps us to regulate our body temperature. T/F
True
False
True
The biggest risk factor for the development of skin cancer is excessive exposure to ultraviolet light. T/F
True
False
True
Author
Anonymous
ID
133518
Card Set
A&P
Description
Integumentary
Updated
2012-02-07T19:13:17Z
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