CHAPTER 7: SKIN STRUCTURE, GROWTH, & NUTRITION Flashcards
A physician who specializes in disease and disorders of the skin, hair, and nails is _________.
a. a histologists
b. a dermatologist
c. an esthetician
d. a pediatrician
b. a dermatologist
Healthy skin has ______ texture and is smooth.
a. a fine-grained
b. a dry
c. a rough
d. an inflexible
a. a fine-grained
Appendages of the skin include hair, nails, and sudoriferous and __________ glands.
a. sebaceous
b. endocrine
c. adrenal
d. exocrine
a. sebaceous
Which of the following correctly identifies the layers of skin and fat from the outermost layer to the innermost layer?
a. Dermis, subcutaneous, epidermis
b. Epidermis, subcutaneous, dermis
c. Dermis, epidermis, subcutaneous
d. Epidermis, dermis, subcutaneous
d. Epidermis, dermis, subcutaneous
As cells die they are pushed to the surface to replace dead cells that are shed from the _______.
a. stratum corneum
b. stratum lucidum
c. stratum germinativum
d. stratum granulosum
a. stratum corneum
The layer directly beneath the epidermis is the ___________.
a. reticular layer
b. stratum spinosum
c. papillary layer
d. subcutaneous tissue
c. papillary layer
Which type of tissue gives smoothness and contour to the body, contains fats for use as energy, and also acts as a protective cushion for the skin?
a. Subcutaneous tissue
b. Cardiac tissue
c. Muscle tissue
d. Nerve tissue
a. Subcutaneous tissue
Which nerve fibers are distributed to the arrector pili muscle attached to the hair follicles?
a. impulse nerve fibers
b. Sensory nerve fibers
c. Secretory nerve fibers
d. Motor nerve fibers
d. Motor nerve fibers
Nerves that regulate the excretion of perspiration from the sudoriferous glands and control the flow of sebum to the surface of the skin are ______.
a. motor nerve fibers
b. sensory nerve fibers
c. secretory nerve fibers
d. impulsive nerve fibers
c. secretory nerve fibers
____________ fibers react to heat, cold, touch, pressure, and pain.
a. motor nerve
b. sensory nerve
c. secretory nerve
d. complex nerve
b. sensory nerve
The amount and type of pigment produced in an individual is determined by his or her __________.
a. genes
b. gender
c. sun exposure
d. age
a. genes
Skin gets its strength, form, and flexibility from _________.
a. collagen and keratin
b. sebum and melanin
c. keratin and elastin
d. collagen and elastin
d. collagen and elastin
The sudoriferous glands excrete perspiration, detoxify the body, and ___________.
a. preserve the softness of the hair
b. lubricate the skin
c. produce collagen
d. regulate body temperature
d. regulate body temperature
To keep your body healthy, you must be sure that what you eat helps to ___________.
a. prevent hydration
b. cause fatigue
c. delay the rate of aging
d. regulate the overall functions of your cells
d. regulate the overall functions of your cells
Which vitamin aids in and accelerated the skin’s healing processes and is vitally important in fighting the aging process?
a. Vitamin a
b. Vitamin c
c. Vitamin d
d. Vitamin e
b. Vitamin c