Show:
Nails
Hair & Hair Follicles
Dermis
Glands
Functions of the Skin
100
What is the name of the visible portion of the nail?
What is Nail Body.
100
Where is hair located? A. Only on the scalp. B. Scalp and legs. C. Nearly all surfaces of the body.
What is C. Nearly all surfaces of the body.
100
What are the parts of the dermis?
What is hair, nails, and certain glands.
100
What gland is found in all areas of the body that have hair?
What is sebaceous gland.
100
What is a primary function of the skin?
What is protection.
200
Another name for cuticle.
What is eponychium.
200
What parts of the body does NOT grow hair.
What is Palms of the hands, soles of the feet, and lips.
200
Another term for 'stretch mark' is called what?
What is striae.
200
What is sebum?
Oily secretion from a sebaceous gland.
200
What is the first line of defense against invading organisms?
What is unbroken skin.
300
What is responsible for nail growth?
What is Nail Matrix.
300
What is hair composed of?
What is dead keratinized cells.
300
What are sensory receptors responsible for?
Changes in the environment such as heat, cold, pain, pressure, and touch.
300
What are some of the functions of sebum secretions?
1. Keeps hair and skin soft and pliable. 2. Inhibits growth of bacteria on skin. 3. Helps prevent water loss.
300
What helps protect underlying tissues from ultraviolet light?
What is melanin.
400
What is the whitish, crescent-shaped area on the nail?
What is Lunula.
400
The portion that extends beyond the surface of the epidermis called what?
What is shaft.
400
_______ form distinct patterns on the palms, finger tips, and soles of the feet.
What is papillae.
400
Where are sudoriferous glands most abundant on the body?
Palms of the hand and soles of the feet.
400
What are some of the things that take place when body temperature falls BELOW normal? (name two)
1. Sweat glands are inactive. 2. Blood vessels in the skin contract.
500
What is the nail body composed of?
What is dead stratum corneum.
500
What causes 'goose bumps'?
What is arrector pili muscle.
500
Two terms that mean the same as subcutaneous layer are?
- Hypodermis - Superfascia
500
What do merocrine sweat glands primarily secrete?
What is water (a few salts included).
500
Vitamin D is needed for what two functions?
1. Absorption of calcium and phosphorous. 2. Normal bone metabolism and muscle function.