The major components of the integumentary system are;
the dermis, epidermis and the accessory structures
the epidermis and the hypodermis
the hair and nails
the dermis and the subcutaneous layer
The protein that permits stretch and recoil of the skin is;
collagen
melanin
keratin
elastin
The primary pigments contained in the epidermis are;
carotene and xanthophylls
carotene and melanin
melanin and chlorophyll
xanthophylls and melanin
The accessory structures of the integument include the;
hair follicles, nails, sebaceous glands and sweat glands
blood vessels, glands, muscles and nerves
merkel cells, lamellated corpuscles and tactile corpuscles
hair, skin and nails
What is sebum?
oil
skin
sweat
an epidermal layer
What are eccrine and apocrine glands?
sweat glands
endocrine glands
sebaceous glands
lacrimal glands
What is keratin?
protein
carbohydrate
Which of the following vitamins is synthesized by the skin?
vit A
vit B
vit C
vit D
When the arrector pili muscle contract;
'goose bumps' form on the skin
the body is able to lose heat
the hair on your arms and legs begin to curl
the sweat gland empty their contents onto the surface of the skin
Which of the following statements describes the dermis?
contains no blood vessels
functions as padding and insulation
is divided into three distinct layers
is responsible for most of the skin's structural strength
