A&P Chap 6
the main functions of the subcutaneous layers are which of the following act as an energy Reservoir protects the body to provide the skin with melanin to protect it from sunlight provides thermal insulation
act as an energy Reservoir protects the body provides thermal insulation
the epidermis lacks which of the following select all that apply adipose tissue collagen fibers blood vessels epithelial tissue
adipose tissue collagen fibers blood vessels
tactile cells are described best by which of the following. select all that apply also called Merkel cells can be stimulated by heat large epithelial cells can be stimulated by pressure can be stimulated by light touch can be stimulated by light pressure
also called Merkel cells large epithelial cells can be stimulated by light touch can be stimulated by light pressure
in Thin and Thick skin the layers that contain living cells are the stratum ___ stratum ____ and stratum ___
basale spinosum granulosum
A hemangioma is a congenital anomaly that results in skin discoloration due to blank that proliferate and form a benign tumor blood vessels cartilage cells connective tissue epidermal cells
blood vessels
the visible part of each nail consists of two parts a pinkish nail ___ which appears pink because of blood flowing through underlying ___ and the distal whitish free ___ which appears white because there are no underlying capillaries
body capillaries Edge
women often accumulate subcutaneous fat in the ___, ___ hips and thighs neck and lower back breasts and buttocks lower back and upper arms neck and abdomen
breasts and buttocks
there are two types of hemangiomas, ___ and ___. cavernous and artery capillary and cavernous capillary and artery
capillary cavernous
cerminous glands secrete their waxy substance into the external ear canal. there's a creation is called ___. sebum cerumen lysozme sweat
cerumen
many cells in the epidermis produce blank when exposed to UV radiation calcium phosphate cholecalciferol keratin vitamin D3
cholecalciferol vitamin D3
the reason the cells of the stratum spinosum have a spiny appearance when viewed under a microscope is due to the shrinkage of the ___ during slide presentation while the intercellular attachments called ___ and cytoskeletal elements remain intact.
cytoplasm desmosomes
friction ridges are located on the skin in four regions of the body ___, ___, ___, and toes
fingers Palms Souls
the skin contains the following accessories nails, hair ___, ___ glands, and sebaceous glands
follicles sweat
which is a possible description of the Skins Form and Function indicator of Health self-renewing produces vitamin C barrier
indicator of Health self-renewing barrier
which protein provides the epidermis with its water resistance elastin keratin reticulin collagen
keratin
the stratum corneum consists of about 20 to 30 layers of dead scaly interlocking keratinized cells called ___.
keratinocytes
the whitish semilunar area of the proximal end of the nail body is called the ___ semi-lunar lunar eclipse lunula
lunula
normal skin color results from a combination of factors mainly pigments called ___, ___, and ___.
melanin carotene hemoglobin
the color of hair is the result of hemoglobin protein production melanin production carotene production
melanin production
during the process of keratinization the ___ and organelles of the cells disintegrate and the cell starts to die. also their membranes become thicker and less ___ to water
nucleus permeable
sebaceous glands produce a blank material that coats hair shafts and the epidermal surface watery slippery slimy oily
oily
mammary glands only become functional in pregnant females adult males adolescent females lactating females adolescent males
pregnant females lactating females
the major functions of merocrine sweat glands are ___ secretion thermoregulation vitamin production protection
secretion thermoregulation protection
sebaceous glands are activated primarily by blank during puberty in both sexes emotions cold stress sex hormones Heat
sex hormones
Merocrine sweat glands are classified as ___ glands that release their secretion into the surface of the skin simple branched tubular compound tubuloacinar simple coiled tubular compound aciner
simple coiled tubular
skin is classified as either thick or thin on two parameters the number of ___ in the epidermis and the relative ___ all the epidermis rather than the thickness of the entire integument
strata thickness
classify the tissue type of epidermis keratinized ___ ___ epithelium
stratified squamous
true or false the acidic pH of merocrine sweat helps prevent the growth of some pathogenic bacteria
true
in children which hair type is the primary human hair and is found on most of the body vellus lanugo terminal
vellus
among the stimuli detected by the sensory receptors of the skin are ___? vibration cold pressure sound light
vibration cold pressure
many cells in the epidermis produce blank when exposed to UV radiation check all that apply vitamin D3 phosphate keratin calcium cholecalciferol
vitamin D3 cholecalciferol
keratinocytes of the epidermis are usually present for about ___ weeks 4 10 8 1
4
cold can result in blood vessel ___, in the dermis to ___ blood flow which allows the body to conserve Heat
Construction reduce