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