ch 6integumentary system

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Within the skin, the epidermis is _____ to the dermis.

superficial

What tissues are present within the subcutaneous layer?

Adipose tissue Loose connective tissue

_______ sweat glands have ducts that empty into hair follicles while ______ sweat glands secrete their products via ducts to the surface of the skin.

Apocrine; eccrine

Indicate the changes that occur when body temperature drops

Decreased activity of sweat glands Vasoconstriction of dermal blood vessels

Which three of the following factors can affect skin color?

Diet Blood oxygenation Blood perfusion

What stratum of the epidermis is composed primarily of dead cells that eventually slough off?

Stratum corneum

Drugs can be delivered through the skin by several routes. Indicate these routes.

Subcutaneous Transdermal Intramuscular

What items describe the basement membrane of the skin?

The boundary between the dermis and epidermis Anchors the stratum basale to the dermis

Comparing the dermis to the epidermis, indicate the true statements.

The dermis is vascular, but the epidermis lacks blood vessels. The dermis is composed of several types of tissue, but the epidermis is composed of one type.

The integumentary system consists of which features?

The skin Sebaceous and sweat glands Hair and nails

What is the function of a keratinocyte?

To produce a waterproofing protein

List the epidermal layers of thin skin from the most superficial to deepest layer.

corneum granulosum spinosum basale

The epidermis of thick skin contains an extra layer called the stratum

lucidum

Holocrine glands that secrete an oily mixture into the hair follicles through ducts are called

sebaceous

The epidermis is composed of ______, while the dermis is made up mostly of ______.

stratified squamous epithelium; connective tissue


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