Skin Structure, Growth And Nutrition: Quiz!
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- 1.People with dark-colored skin mostly produce?
- A.
Primary melanin
- B.
Pheomelanin
- C.
Eumelanin
- D.
Secondary melanin
- 2.What is the medical branch of science that deals with the study of skin?
- A.
Neurology
- B.
Osteology
- C.
Dermatology
- D.
Cardiology
- 3.Impulses are carried from the brain to the muscle by ___________ nerve fibers.
- A.
Motor
- B.
Secretory
- C.
Passive
- D.
Sensory
- 4.Where are the melanocytes located?
- A.
Stratum Lucidum
- B.
Stratum Granulosum
- C.
Stratum Corneum
- D.
Stratum Germinativum
- 5.Skin color depends on tiny grains of pigment or coloring matter, called?
- A.
Collagen
- B.
Melanin
- C.
Papule
- D.
Sebum
- 6.The outermost layer of the skin is the?
- A.
Reticular
- B.
Epidermis
- C.
Dermis
- D.
Papillary
- 7.The specialist who provides cleansing treatments for the skin is a(n)?
- A.
Esthetician
- B.
Pedicurist
- C.
Dermatologist
- D.
Manicurist
- 8.What is NOT one of the principal functions of the skin?
- A.
Sensation
- B.
Heat Regulation
- C.
Excretion
- D.
Digestion
- 9.The body needs ___________ for many body functions, including hormones & sebum production.
- A.
Fats
- B.
Carbohydrates
- C.
Minerals
- D.
Proteins
- 10.Continued, repeated pressure on any part of the skin can cause it to thicken and develop into a?
- A.
Comedo
- B.
Papule
- C.
Callus
- D.
Pustule
- 11.What are the two layers of the dermis?
- A.
Reticular & tactile
- B.
Papillary & Subcutaneous
- C.
Papillary & Reticular
- D.
Reticular & Subcutaneous
- 12.What is the principal component of hair & nails?
- A.
Elastin
- B.
Melanin
- C.
Keratin
- D.
Collagen
- 13.What is the oily secretion that lubricates the skin & preserves the softness of the hair?
- A.
Elastin
- B.
Collagen
- C.
Perspiration
- D.
Sebum
- 14.If the skin of an average adult were stretched out, it would cover more than how many square inches?
- A.
1,500
- B.
3,000
- C.
2,000
- D.
5,000
- 15.The horny layer or outer covering of the epidermis, is the?
- A.
Stratum corneum
- B.
Stratum Granulosum
- C.
Stratum Germinativum
- D.
Stratum Spinosum
- 16.The clear fluid that bathes skin cells, removes toxins & cellular waste, and has immune functions is called?
- A.
Collagen
- B.
Lymph
- C.
Blood
- D.
Adipose
- 17.The small, cone-shaped elevations at the bottom of hair follicles are called the?
- A.
Melanocytes
- B.
Sebaceous Glands
- C.
Tactile Corpuscles
- D.
Dermal Papillae
- 18.The fibrous protein that gives skin form & strength is?
- A.
Keratin
- B.
Elastin
- C.
Pheomelanin
- D.
Collagen
- 19.Which vitamin is vital in fighting the aging process & promoting the production of collagen?
- A.
Vitamin A
- B.
Vitamin D
- C.
Vitamin C
- D.
Vitamin E
- 20.Which layer of the epidermis is also known as the basal cell layer?
- A.
Stratum Corneum
- B.
Stratum Spinosum
- C.
Stratum Germinativum
- D.
Stratum Granulosum
- 21.Which nerve fibers react to heat, cold, touch, pressure & pain?
- A.
Sensory
- B.
Secretory
- C.
Passive
- D.
Motor
- 22.The pigment produced to protect the skin from the effects of ultraviolet sun rays is called?
- A.
Elastin
- B.
Collagen
- C.
Keratin
- D.
Melanin
- 23.The surface of healthy skin should?
- A.
Be slightly acidic
- B.
Have a neutral pH
- C.
Be slightly alkaline
- D.
Be highly acidic
- 24.Subcutaneous tissue does all of the following EXCEPT?
- A.
Gives smoothness & contour to the body
- B.
Contains fats for use as energy
- C.
Produces melanin
- D.
Acts as a protective cushion for the skin
- 25.What is NOT a characteristic of healthy skin?
- A.
Slightly moist
- B.
Fine-grained texture
- C.
Rigid
- D.
Soft
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