Anatomy Exam 2-Ch 5

Chapter 5 Mastering A&P

Flashcard Set Preview

Side ASide B
Damage to elastic fibers in the skin of the elderly results in __________.
infection wrinkles skin dryness hair loss
Cell divisions within the stratum __________ replace more superficial cells which eventually die and fall off.
granulosum corneum lucidum germinativum
The epidermal layer that consists almost entirely of keratin is the __________.
stratum granulosum stratum germinativum stratum lucidum stratum corneum
Cerumen is produced by glands located in the __________.
axilla palms and soles pubic area ear canal
The layer primarily responsible for the strength of the skin is the __________ layer.
epidermal reticular hypodermal papillary
Which of these cells produce the fibers found within the reticular layer of the dermis?
fibroblasts reticulocytes mast...
Which of the following glands secretes oil into the hair follicle?
sebaceous apocrine ceruminous eccrine
Sudoriferous glands are also called __________ glands.
ceruminous sweat sebaceous mammary
The process of skin repair after injury begins with ___________.
stem cell activation formation of scar tissue formation of granulation tissue formation of a blood...
Which of the following is NOT part of the cutaneous membrane?
epidermis hypodermis reticular layer papillary layer
Which accessory structure is NOT found within the dermis?
lamellated corpuscle tactile corpuscle sebaceous gland arrector pili muscle All...
What structures do you find within the hypodermis?
fat and the cutaneous plexus sebaceous glands and sweat glands hair follicles and arrector pili...
The papillary layer is more superficial than the reticular layer of dermis. True or false?
True False
An important vitamin that is formed in the skin when it is exposed to sunlight is
vitamin B vitamin D vitamin A vitamin E vitamin C
The type of cells that form the strata in the epidermis are
dendritic cells. melanocytes. adipocytes. keratinocytes. fibroblasts.
When the arrector pili muscles contract,
"goose bumps" are formed. shivering occurs. sweat is released from sweat glands. hairs...
The dermis is composed of the papillary layer and the _______.
cutaneous plexus hypodermis reticular layer epidermis
The two components of the integumentary system are the
epidermis and dermis. epidermis and superficial fascia. cutaneous membrane and hypodermis. cutaneous...
Water loss due to evaporation of fluid that has penetrated through the skin is termed ________ perspiration
inactive sensible active insensible latent
________ are cells in the epidermis that are part of the immune system
Squamous cells Basal cells Melanocytes Dendritic cells Merkel...
The layer of stem cells that constantly divide to renew the epidermis is the
basal lamina. papillary layer. stratum granulosum. stratum corneum. stratum...
The epidermis of the skin is composed of which type of tissue?
nonkeratinized stratified squamous epithelium simple squamous epithelium transitional epithelium keratinized...
While walking barefoot on the beach, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many layers of epidermis did the thorn penetrate?
2 4 3 1 5
Melanocytes ________
manufacture melanin from the amino acid alanine secrete melanin from the basal surface store melanin in melanosomes are...
Skin exposed to ultraviolet light increases production of __________.
creatine sweat keratin melanin
The primary pigments contained in the epidermis are
melanin and chlorophyll. carotene and xanthophyll. xanthophyll and melanin. carotene...
Cyanosis signifies that a patient
has had too much sun. has been exposed to cyanide. has oxygen-starved skin. has been kept out of the...
The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.
keratin hemoglobin sebum melanin carotene
The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.
keratin hemoglobin sebum melanin carotene
Which of the following is not an effect of ultraviolet...
wrinkles increased activity by melanocytes chromosomal damage in germinative cells or melanocytes vitiligo production...
Which of the following statements about rickets is not true?
leads to weak bones prevented by vitamin D leads to skeletal deformity prevented...
The epidermis receives blood from which of the following?
epidermal arteries dermal arteries called the cutaneous plexus dermal veins called the papillary plexus dermal...
The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ________ layer.
reticular subcutaneous epidermal hypodermal papillary
The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer.
subcutaneous papillary reticular hypodermal epidermal
Skin inflammation that primarily involves the papillary layer is termed
papillitis. epidermatitis. melanocytis. superficialis. dermatitis.
The layer of soft keratin within the hair shaft is the ___________.
hair bulb cuticle medulla root
The layer of hard keratin that coats the hair is termed the
medulla. cuticle. shaft. root. hair bulb.
Variations in hair color reflect differences in the pigment produced by
soft keratin. melanocytes. dermal papillae. carotene cells. keratinocytes.
Lanugo is found
on the palms of the hands and on the soles of the feet. on the palms of the hands. on the scalp. on...
Glands that discharge an oily secretion into hair follicles are ________ glands.
mammary ceruminous apocrine sweat sebaceous merocrine sweat
The ________ glands in the axilla become active at the time of puberty.
sebaceous merocrine sweat axillary apocrine sweat ceruminous
Which of the following happens if body temperature rises above normal?
Circulation in the skin decreases. Evaporative cooling stops. Blood flow to the skin increases. The...
Fingernails grow from which structure?
lunula hyponychium nail body nail root
Fingernails grow from which structure?
lunula hyponychium nail body nail root
Collagen to repair a deep skin wound is produced by __________.
epidermal fibroblasts dermal macrophages dermal fibroblasts epidermal keratinocytes
Nail production occurs at the nail
body. hyponychium. root. bed. cuticle.
Mast cells are triggering a response to injury during which phase of repair?
maturation inflammatory proliferation migratory
In a penetrating wound, ________ divide to produce mobile cells that repair the dermis.
dendritic cells macrophages muscle cells fibroblasts granulation cells
If a fair-skinned person is sunburned, why does his or her skin turn red?
The number of red melanocytes in the skin increases. The blood supply to the skin decreases. Melanocytes...
Skin can regenerate effectively even after considerable damage has occurred because
contraction in the area of the injury brings cells of adjacent strata together. the epidermis of the skin has a rich supply...
Scar tissue is the result of
large numbers of collagen fibers and relatively few blood vessels in the injured area. a thickened stratum germinativum in...

Upgrade and get a lot more done!