KIN 223 Chapter 6 Integumentary System
Keratinocytes of the epidermis are usually present for about _____ week(s).
4
____ glands are also called sweat glands.
Sudoriferous
True or False: The epidermis and dermis together secrete and absorb materials and play a role in immunity.
True
In the first step of wound healing, cut blood vessels release _______ into the wound.
blood
In thick skin, the layers of epidermis that contain dead keratinocytes are the stratum lucideum and stratum ______.
corneum
The _____ contain(s) the capillaries the supply nutrients to the cells of the epidermis.
dermal papillae
Third-degree burns involve the _____, dermis, and _____ layer, which often are destroyed.
epidermis/subcutaneous
Potential complications of a wound under repair include ____ loss and ______.
loss; infection
A nevus is commonly referred to as a ______. It is a harmless, localized growth of ______ forming cells.
mole; melanin
As a result of the aging process, hair follicles can actually _____ production of hairs.
stop
On many parts of the body, the components of the dermis include blood vessels, _____ glands, ______ glands, hair follicles, nail roots, sensory nerve endings, and smooth muscle tissue.
sweat; sebaceous
In the second step of wound healing, a _____ forms.
blood clot
Friction ridges on the tips of fingers are known as
fingerprints
During the process of keratinization, the cell's _______ and organelles of the cells disintegrate and the cells start to die.
nucleus
In the third step of wound healing, the cut blood vessels ______ and grow in the wound.
regenerate
Which organs are involved in making calcitriol, the active form of vitamin D?
- liver - kidney - skin
The main functions of the subcutaneous layer are which of the following?
- protects the body - acts as an energy reservoir - provides thermal insulation
In what two ways are damaged skin tissues normally repaired?
- fibrosis - regeneration
Mammary glands only become functional in which of the following conditions.
- lactating females - pregnant females