question

each of the following is a function of the integumentary system except synthesis of vitamin C

answer

maintenance of body temperature. excretion of salts and wastes. synthesis of vitamin C. protection of underlying tissue. provision of sensation.

question

stratum basale, which of the following specialize epithelial cells are sensitive to touch

answer

tackle discs

question

the two components of the the integumentary system are the

answer

cutaneous membrane and accessor structures

question

accessory structures of the skin include all the following except epidermis

answer

sweat glands. epidermis. sebaceous glands. hair follicles. lamellated corpuscles

question

the term thick and thin refer to the relative e thickness of which of the following?

answer

epidermis

question

which layer is the primary barrier against environmental hazard

answer

1

question

the intradermal injection is administered into which layer?

answer

3

question

which is true regarding skin cancers

answer

skin cancers are the most common type of cancers

question

which layer contains most of the accessory organs?

answer

3

question

which tissue is located in region 2 label?

answer

areolar connective tissue

question

while taking a 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 torn penetrate

answer

5

question

with aging hair turns gray or white due to which of the following causes

answer

decreased melanocyte activity

question

the layer of dividing cellist eh base of the epidermis is the

answer

stratum basale

question

the tough corny superficial layer of the epidermis is know as the

answer

stratum corneum

question

large quantities of keratin are found in the epidermal layer called the

answer

status corneum

question

variation in hair color reflects in structure and variations in the pigment produced by melanocyte that are located at the

answer

hair matrix

question

the layers of the skin that provides a barrier against bacteria as well as chemical and mechanical injuries

answer

epidermis

question

the skin contains 4 layers and thick skin contains 5 layers

answer

4 layer and 5 layers

question

these hormones which can be released during times of stress, loosen the connections between keratinocytes

answer

glucocorticoids

question

rickets develop in growing children who are not exposed to sunlight and have a deficiency of

answer

cholecalciferol

question

all of the following are true epidermal ridges except that they contain increased number of free nerve ending

answer

interconnect with the dermal papillae. produce patterns that are determined genetically. contain increased numbers of free nerve endings. cause ridge patterns on the surface of the skin. extend into the dermis

question

an albino lacks ability to produce

answer

melanin

question

the primary pigments contained in the epidermis are

answer

carotene and melanin

question

type of skin cancers include

answer

basal cell carcinoma and malignant melanoma

question

carotene is a pigment found in vegetable that can make the skin appear orange or yellow

answer

carotene

question

the most dangerous type of skin cancer is termed

answer

malignant melanoma

question

melanin is produced by melanocytes with in the

answer

stratum basale

question

the layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the

answer

reticular layer

question

all of the following are true of the hypodermic except attached to the dermis by basement membrane

answer

contains large amounts of adipose tissue. permits independent movement of deeper structures. contains many blood vessels. stores energy reserves. is attached to the dermis by a basement membrane.

question

the layer of skin that contains blood vessels and nerves that are close to the skin surface

answer

papillary layer

question

if a fair skinned person is sunburned why does his or her skin turn red?

answer

the blood flow toward increases and part of th inflammatory response

question

all following are assessory structure of skin except subcutaneous fat

answer

subcutaneous fat. nails. sweat glands. sebaceous glands. hair follicles.

question

the layers of hard keratin that coats the hair is termed

answer

cuticle

question

if the paella of a hair follicle is destroyed the papilla of a hair follicle is destroyed

answer

the follicle will lose its blood supply

question

each of the statement are true concerning hair are true except

answer

scalp hair grow constantly throughout life

question

glands that discharge an oil secretion into hair follicles are

answer

sebaceous glands

question

dandruff is a disorder in dry skin flakes forming on scalp. common cause of dandruff

answer

inflammation around sebaceous glands

question

from what structure does merocrine secretion occur?

answer

eccrine sweat glands

question

the substance called sebum is commonly know

answer

as skin oil

question

the apocrine sweat glands in the axilla become active at the time of puberty

answer

apocrine sweat glands

question

perspiration is produced by

answer

merocrine sweat glands

question

earwax is produced by

answer

ceruminous glands

question

merocine sweat glands are widely distributed across the body surface sebaceous glands are located whenever hair follicles exist, and procaine sweat glands are found only in few areas

answer

merocrine, sebaceous , apocrine

question

the nail body covers the

answer

nailbed

question

nail production occurs at the nail

answer

root

question

at the base of nail, keratinized skin called cuticle is also know as

answer

eponychium

question

the effects of aging on the skin include

answer

a decline in the activity of sebaceous glands

question

wrinkles in elderly individual s are the results of

answer

loss of elastic filaments in the reticular layer of the dermis

question

why would an elderly person be more prone to skin infections than a younger person?

answer

all of the above: epithelia is thinner, fewer dendritic, skin repair takes longer.,

question

vitamin D is formed in the skin when is is exposed to sunlight

answer

Vit D

question

vitamin D, formed within the skin has all of these effects on other organ system except that it

answer

junctions in the activation of plasma cells by the lymphatic system

question

scar tissue is the result of

answer

large number of collagen fibers and relatives few blood vessels in the injured area

question

a thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called

answer

a keloid

question

a fibrin clot that is formed over a skin wound is

answer

called a scab

question

the combination of fibrin clot, fibroblasts, and extensive capillary network that formed in injured skin is called

answer

granulation tissue

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