BIO251 FINAL EXAM 3 CHAMBERLAIN
UNIVERSITY EXAM QUESTIONS WITH
100% CORRECT ANSWERS | LATEST
VERSION 2025/2026.
Structure of skin
epidermis, dermis, hypodermis
What are the functions of the skin?
protection, vitamin D synthesis, sensation, thermoregulation, nonverbal communication
Accessory structures of the skin
hair, skin, sweat glands, and nails
Main fibers found in dermis
collagen, elastic, and reticular fibers
What does the collagen fiber provide for the dermis?
strength
What does the elastic fiber provide for the dermis?
Stretch recoil
arrector pili muscle
Causes hair to stand on end and goose bumps to appear
sebaceous glands
secrete sebum, lubricates skin and hair, controls bacteria
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Sudariferous glands
sweat glands
Medulla
Inner most layer of hair
cortex
The middle layer of the hair provides strength, color, and texture
Cuticle (Hair)
tough, clear outside covering of the hair shaft
Dermal papilla
groves that form finger prints
papillary layer of dermis
upper layer of dermis, Made of areolar tissue, supplies nutrients to epidermis, helps regulate
temperature
reticular layer of dermis
deeper, thicker layer of dermis, made of dense irregular CT, full of fibers for strength, elasticity
subcutaneous layer (hypodermis)
The lowest layer of skin, Consists of loose connective tissue (adipose, areolar)
thick skin
Covers the palms of the hands and soles of the feet
Has 5 layers of keratinocytes
thin skin
Covers most of the body
Has 4 layers of keratinocytes
Eccerine sweat glands
All over, abundant in palms, soles, forehead, Cool body
appocrine glands
Thicker milky sweat, respondes to stress and sexual stimulation, found in groin and armpits
anagen phase
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
UNIVERSITY EXAM QUESTIONS WITH
100% CORRECT ANSWERS | LATEST
VERSION 2025/2026.
Structure of skin
epidermis, dermis, hypodermis
What are the functions of the skin?
protection, vitamin D synthesis, sensation, thermoregulation, nonverbal communication
Accessory structures of the skin
hair, skin, sweat glands, and nails
Main fibers found in dermis
collagen, elastic, and reticular fibers
What does the collagen fiber provide for the dermis?
strength
What does the elastic fiber provide for the dermis?
Stretch recoil
arrector pili muscle
Causes hair to stand on end and goose bumps to appear
sebaceous glands
secrete sebum, lubricates skin and hair, controls bacteria
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Sudariferous glands
sweat glands
Medulla
Inner most layer of hair
cortex
The middle layer of the hair provides strength, color, and texture
Cuticle (Hair)
tough, clear outside covering of the hair shaft
Dermal papilla
groves that form finger prints
papillary layer of dermis
upper layer of dermis, Made of areolar tissue, supplies nutrients to epidermis, helps regulate
temperature
reticular layer of dermis
deeper, thicker layer of dermis, made of dense irregular CT, full of fibers for strength, elasticity
subcutaneous layer (hypodermis)
The lowest layer of skin, Consists of loose connective tissue (adipose, areolar)
thick skin
Covers the palms of the hands and soles of the feet
Has 5 layers of keratinocytes
thin skin
Covers most of the body
Has 4 layers of keratinocytes
Eccerine sweat glands
All over, abundant in palms, soles, forehead, Cool body
appocrine glands
Thicker milky sweat, respondes to stress and sexual stimulation, found in groin and armpits
anagen phase
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
