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Questions and Answers
The papillary layer of the skin contains a large number of adipocytes.
The papillary layer of the skin contains a large number of adipocytes.
False
Meissner corpuscles are found in the dermal layer of the skin.
Meissner corpuscles are found in the dermal layer of the skin.
False
Friction ridges do not increase the surface area of the epidermis.
Friction ridges do not increase the surface area of the epidermis.
False
The ducts of sweat glands open on the sides of the epidermal ridges.
The ducts of sweat glands open on the sides of the epidermal ridges.
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The papillary layer does not contain nerve fibers.
The papillary layer does not contain nerve fibers.
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Phagocytes are not involved in fighting infections in the skin.
Phagocytes are not involved in fighting infections in the skin.
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Vitiligo is a condition characterized by the complete loss of melanocytes from the entire skin.
Vitiligo is a condition characterized by the complete loss of melanocytes from the entire skin.
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Carotene is stored in the epidermis in response to excessive dietary intake.
Carotene is stored in the epidermis in response to excessive dietary intake.
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Albinism is a condition characterized by the inability to produce tyrosinase.
Albinism is a condition characterized by the inability to produce tyrosinase.
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Dark-skinned individuals have little melanin in the epidermis.
Dark-skinned individuals have little melanin in the epidermis.
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A tan is lost when the melanin-containing melanocytes are shed from the stratum corneum.
A tan is lost when the melanin-containing melanocytes are shed from the stratum corneum.
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Albinism is a condition characterized by the partial loss of melanocytes from patches of skin.
Albinism is a condition characterized by the partial loss of melanocytes from patches of skin.
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The skin appears yellow due to the buildup of the pigment hemoglobin in the skin.
The skin appears yellow due to the buildup of the pigment hemoglobin in the skin.
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Pallor, or paleness of the skin, may occur in conditions such as anemia and shock.
Pallor, or paleness of the skin, may occur in conditions such as anemia and shock.
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The oxygen content of the blood moving through capillaries in the dermis affects the skin's translucency.
The oxygen content of the blood moving through capillaries in the dermis affects the skin's translucency.
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Erythema, or redness of the skin, is caused by a lack of oxygen in the blood.
Erythema, or redness of the skin, is caused by a lack of oxygen in the blood.
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Jaundice is a condition that gives a reddish appearance to the skin and the whites of the eyes.
Jaundice is a condition that gives a reddish appearance to the skin and the whites of the eyes.
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Skin color changes are more easily observable in people with darker skin.
Skin color changes are more easily observable in people with darker skin.
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Apocrine sweat glands start to function soon after birth.
Apocrine sweat glands start to function soon after birth.
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Antiperspirants use a hormone-based compound to stop sweat.
Antiperspirants use a hormone-based compound to stop sweat.
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Sebaceous glands are only found in the skin of the palms and soles.
Sebaceous glands are only found in the skin of the palms and soles.
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Sebum generated by sebaceous glands helps to dry out the skin.
Sebum generated by sebaceous glands helps to dry out the skin.
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Eccrine sweat glands are responsible for producing body odor.
Eccrine sweat glands are responsible for producing body odor.
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Sweat secreted from apocrine sweat glands is initially odorous.
Sweat secreted from apocrine sweat glands is initially odorous.
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The hair root plexus surrounding each hair follicle is insensitive to touch.
The hair root plexus surrounding each hair follicle is insensitive to touch.
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The anagen phase is the stage where the hair follicle is at rest and no new growth occurs.
The anagen phase is the stage where the hair follicle is at rest and no new growth occurs.
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The catagen phase is the longest stage of the hair growth cycle.
The catagen phase is the longest stage of the hair growth cycle.
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The length of the anagen phase can last from 2 to 7 months.
The length of the anagen phase can last from 2 to 7 months.
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During the telogen phase, the hair follicle is active and grows rapidly.
During the telogen phase, the hair follicle is active and grows rapidly.
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The contraction of the arrector pili muscle causes the hair shaft to move upward, producing goosebumps.
The contraction of the arrector pili muscle causes the hair shaft to move upward, producing goosebumps.
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