system UPDATED ACTUAL Questions and
CORRECT Answers
Integumentary System - CORRECT ANSWER - Skin and accessory structures: glands,
hair, and nails.
The Epidermis - CORRECT ANSWER - contains no blood vessels (avascular).
Dermis - CORRECT ANSWER - connective tissue portion the cutaneous membranes,
contains many blood vessels, nerve endings and glands
The epidermis outermost cells are constantly lost through - CORRECT ANSWER - wear
and tear
The cells in the epidermis are nourished by - CORRECT ANSWER - capillaries in the
underlying dermis.
New epidermal cells are produced from - CORRECT ANSWER - stem cells in the deepest
layer, which is closest to the dermis.
The cells in the deepest layer of epidermis is called - CORRECT ANSWER - stratum
basale
Stratum Basale are constantly - CORRECT ANSWER - dividing and producing new cells,
which are then pushed upward toward the skin surface.
By the time epidermal cells from Stratum Basale approach surface, they have become flat and
keratinized, or cornified, forming the uppermost layer of the epidermis, - CORRECT
ANSWER - Stratum Corneum
, The Stratum Corneum is a - CORRECT ANSWER - protective layer and is more
prominent in thick skin than in thin skin.
Melanin - CORRECT ANSWER - dark pigment that colors skin and protects it from
sunlight's harmful rays.
-produced by some cells in the deepest layer of epidermis.
Melanocytes - CORRECT ANSWER - Cells that produce pigment (melanin)
The Dermis has - CORRECT ANSWER - a frame work of dense irregular connective
tissue and is well supplied with blood vessels and nerves.
The skin's accessory structures, sweat glands, oil glands, and the hair are located in - CORRECT
ANSWER - the dermis and may extend into the subcutaneous layer under the skin
Dermal Papillae - CORRECT ANSWER - portions of the dermis extending upwards into
the epidermis, allowing blood vessels to get closer to the superficial cells.
Dermal papillae can be - CORRECT ANSWER - seen on the surface of thick skin, such as
at the tips of fingers and toes
-they form a distinct patter of ridges that help to prevent slipping.
The subcutaneous layer consists of _____________________ and variable amounts of
_____________________. - CORRECT ANSWER - 1. areolar connective tissue
2. adipose tissue
The adipose tissue in subcutaneous layer serves as - CORRECT ANSWER - insulation and
as a reserve energy supply.