Hygiene Flashcards
Hygiene definition
Conditions or practices of cleanliness conductive to health
What is the first line of defense?
Skin
skin/mucosal cells essential to health of the body
What is the body’s largest organ?
Skin
What are the functions of the skin?
Protection
Secretion
Excretion
Temperature Regulation
Sensation
Epidermis
Several thin layers of epithelial cells
Shield underlying cells
Dermis
Support epidermis and contains collagen, nerve fibers, blood vessels, glands, hair follicles
What glands are in the dermis?
Sweat and sebaceous
Sebaceous glands
Secrete sebum (oily, odorless fluid into hair follicles) which softens, lubricates skin, slows water loss, bacterial action
Subcutaneous tissue
Nerves, blood vessels, nerves, lymph, and connective tissue filled with fat tissue/cells
- Fat insulates
- Cushions upper layers
- Loosely secure skin to underlying tissues
Normal nails look like
Transparent, smooth, and convex
Pink nail bed and translucent white tip
What does normal mucosa look like?
Light pink, soft, moist, smooth , no lesions
Xerostomia
Dry mouth
Gingivitis
Inflammation of gums
Dental caries
Tooth decay
What can impair salivary secretion?
Medications
Exposure to radiation
Mouth breathing