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1
This epidermal layer is found only in thick skin: (p. 208)
A)stratum granulosum
B)stratum lucidum
C)stratum spinosum
D)stratum basale
E)stratum corneum
2
The condition termed albinism results from: (p. 212)
A)a reduction in blood flow through the skin
B)a deficiency of glucocorticoid hormones
C)high levels of bilirubin circulating in the blood
D)a deficiency of melanin production
E)lack of oxygen circulating in the blood
3
Blonde hair (p. 217)
A)contains air in the medulla
B)normally has a flatter shaft than brown or black hair
C)has a sparse amount of melanin in the cortex
D)typically lacks a cuticle
E)is a result of a low amount of iron in the papillae
4
When you walk outside barefoot, in which part of your toenail will dirt adhere and be the most difficult to remove? (p. 219)
A)the nail body
B)the hyponychium
C)lunule
D)the nail bed
E)nail matrix
5
First-degree burns extend through the epidermis only. (p. 223)
A)True
B)False
6
Mammary glands are modified apocrine sweat glands. (p. 222)
A)True
B)False
7
Apocrine sweat has a very disagreeable odor.
A)True
B)False
8
The single layer of cells that make up the stratum basale of the epidermis contains all of the following cell types except
A)melanocytes.
B)keratinocytes.
C)merkel cells.
D)fibroblasts.
9
Which of the following types of cells divides by mitosis to replace the dead cells that exfoliate from the surface of your skin?
A)keratinocytes
B)fibroblasts
C)merkel cells
D)melanocytes
10
The dendritic, or langerhan, cells within the epidermis are sensory nerve fibers that respond to pain.
A)True
B)False
11
The deep, or reticular, layer of the dermis is composed mainly of adipocytes.
A)True
B)False
12
Most drugs are injected by hypodermic needle into the epidermis because it is highly vascular and quite absorptive.
A)True
B)False
13
Which of the following terms refers to a yellowing of the skin due to an abnormally high level of bilirubin in the blood?
A)jaundice
B)albinism
C)erythema
D)cyanosis
14
The skin serves a protective function because of all of the following except
A)the acid mantle formed by sebum.
B)the toughness of keratin.
C)the strength of epidermal desmosomes.
D)protection against ultraviolet light provided by melanin.
15
Of the three types of hair we grow during our lives, which type is pigmented?
A)lanugo
B)terminal
C)vellus
D)keratinous
16
The papilla of the bulb of each hair is vascularized and supplies the hair with its nutrition.
A)True
B)False
17
Fingernails grow about 1mm/week due to mitosis of cells in the
A)nail plate.
B)nail matrix.
C)eponychium.
D)hyponychium.
18
Which of the following statements about sweat glands is incorrect?
A)A milky perspiration containing fatty acids is secreted by merocrine sweat glands.
B)Sweat glands are simple tubular glands lined by stratified cuboidal epithelium and emptied by a duct.
C)Apocrine glands open onto hair follicles rather than a sweat pore.
D)The 500 ml of insensible perspiration that we produce each day does not produce a wetness of the skin.
19
Which of the following is a fungus infection of the skin?
A)warts
B)ringworm
C)psoriasis
D)acne
20
Skin cancer is induced by the ultraviolet rays of the sun.
A)True
B)False
21
Which of the following types of skin cancer is the least dangerous because it seldom metastasizes?
A)basal cell carcinoma
B)squamous cell carcinoma
C)malignant melanoma
D)Karposi's sarcoma
22
The layer of the epidermis where one can find melanocytes is the:
A)stratum basale
B)stratum lucidum
C)stratum granulosum
D)stratum spinosum
E)stratum corneum
23
The epidermal layer that is dead and keratinized is the:
A)stratum basale
B)stratum lucidum
C)stratum granulosum
D)stratum spinosum
E)stratum corneum
24
The major skin layer that normally has the greatest amount of adipocytes is the:
A)epidermis
B)papillary layer
C)hypodermis
D)stratum corneum
E)stratum spinosum
25
Ultraviolet light stimulates the production of:
A)bilirubin
B)melanin
C)carotene
D)vitamin C
E)sebum
26
Which of the following will not be a result from high levels of exposure to ultraviolet light in a normal person?
A)tanning
B)vitamin D synthesis started
C)sunburns
D)skin cancer
E)healthy skin
27
Cutaneous vasodilation is in response to:
A)vitamin C synthesis
B)cyanosis
C)jaundice
D)very warm conditions
E)lack of sun
28
The hair of the fetus is called:
A)lanugo
B)nonexistent
C)vellus
D)terminal
E)vibrissae
29
Smooth muscle bundles attached to the hair root sheath are called:
A)epithelial roots
B)hair receptors
C)sebaceous glands
D)arrector pili
E)merocrine glands
30
These skin glands protect the ear:
A)merocrine
B)ceruminous
C)sebaceous
D)apocrine
E)mammary
31
This most common type of skin cancer arises from the stratum basale and is unlikely to metastasize:
A)basal cell carcinoma
B)squamous cell carcinoma
C)malignant melanoma
D)polythelia
E)myoepithelial





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