Bio251 Final Exam 3 Chamberlain University
questions and answers graded A+ updated
1. Structure of skin epidermis, dermis, hypodermis
2. What are the functions of the skin? protection, vitamin D synthesis,
sensa-
tion, thermoregulation, nonverbal
com- munication
3. Accessory structures of the skin hair, skin, sweat glands, and nails
4. Main fibers found in dermis collagen, elastic, and reticular fibers
5. What does the collagen fiber provide strength
for the dermis?
6. What does the elastic fiber provide Stretch recoil
for the dermis?
7. arrector pili muscle Causes hair to stand on end and
goose bumps to appear
8. sebaceous glands secrete sebum, lubricates skin and
hair, controls bacteria
1/
34
,Bio251 Final Exam 3 Chamberlain University
questions and answers graded A+ updated
9. Sudariferous glands sweat glands
10. Medulla Inner most layer of hair
11. cortex The middle layer of the hair
provides
strength, color, and texture
12. Cuticle (Hair) tough, clear outside covering of
the hair shaft
13. Dermal papilla groves that form finger prints
14. papillary layer of dermis upper layer of dermis, Made of
areolar tissue, supplies nutrients to
epidermis, helps regulate
temperature
15. reticular layer of dermis deeper, thicker layer of dermis,
made of dense irregular CT, full
of fibers for strength, elasticity
16. subcutaneous layer (hypodermis) The lowest layer of skin, Consists of
loose connective tissue (adipose, areo-
2/
34
,Bio251 Final Exam 3 Chamberlain University
questions and answers graded A+ updated
lar)
3/
34
, Bio251 Final Exam 3 Chamberlain
University
17. thick skin Covers the palms of the hands
and soles of the feet
Has 5 layers of keratinocytes
18. thin skin Covers most of the body
Has 4 layers of keratinocytes
19. Eccerine sweat glands All over, abundant in palms, soles,
fore- head, Cool body
20. appocrine glands Thicker milky sweat, respondes to
stress and sexual stimulation,
found in groin and armpits
21. anagen phase Growth phase 6-8 years
22. Catagen Phase Mitosis stop, Transition stage,
2-3 weeks
23. Telogen phase of hair growth Resting phase, 1-3 months
24. basal cell carcinoma most common type of skin cancer,
ap- pears as shiny small bump
4/
34
questions and answers graded A+ updated
1. Structure of skin epidermis, dermis, hypodermis
2. What are the functions of the skin? protection, vitamin D synthesis,
sensa-
tion, thermoregulation, nonverbal
com- munication
3. Accessory structures of the skin hair, skin, sweat glands, and nails
4. Main fibers found in dermis collagen, elastic, and reticular fibers
5. What does the collagen fiber provide strength
for the dermis?
6. What does the elastic fiber provide Stretch recoil
for the dermis?
7. arrector pili muscle Causes hair to stand on end and
goose bumps to appear
8. sebaceous glands secrete sebum, lubricates skin and
hair, controls bacteria
1/
34
,Bio251 Final Exam 3 Chamberlain University
questions and answers graded A+ updated
9. Sudariferous glands sweat glands
10. Medulla Inner most layer of hair
11. cortex The middle layer of the hair
provides
strength, color, and texture
12. Cuticle (Hair) tough, clear outside covering of
the hair shaft
13. Dermal papilla groves that form finger prints
14. papillary layer of dermis upper layer of dermis, Made of
areolar tissue, supplies nutrients to
epidermis, helps regulate
temperature
15. reticular layer of dermis deeper, thicker layer of dermis,
made of dense irregular CT, full
of fibers for strength, elasticity
16. subcutaneous layer (hypodermis) The lowest layer of skin, Consists of
loose connective tissue (adipose, areo-
2/
34
,Bio251 Final Exam 3 Chamberlain University
questions and answers graded A+ updated
lar)
3/
34
, Bio251 Final Exam 3 Chamberlain
University
17. thick skin Covers the palms of the hands
and soles of the feet
Has 5 layers of keratinocytes
18. thin skin Covers most of the body
Has 4 layers of keratinocytes
19. Eccerine sweat glands All over, abundant in palms, soles,
fore- head, Cool body
20. appocrine glands Thicker milky sweat, respondes to
stress and sexual stimulation,
found in groin and armpits
21. anagen phase Growth phase 6-8 years
22. Catagen Phase Mitosis stop, Transition stage,
2-3 weeks
23. Telogen phase of hair growth Resting phase, 1-3 months
24. basal cell carcinoma most common type of skin cancer,
ap- pears as shiny small bump
4/
34
