Skin Structure, Growth, & Nutrition

A physician who specializes in diseases and disorders of the skin, hair, and nails is _______.

• a histologist

• a dermatologist

• an esthetician

• a pediatrician

Healthy skin has ______ texture and is smooth.

• a fine-grained

• a dry

• a rough

• an inflexible

Appendages of the skin include hair, nails, and sudoriferous and _______ glands.

• sebaceous

• endocrine

• adrenal

• exocrine

Which of the following correctly identifies the layers of skin and fat from the outermost layer to the innermost layer?

• dermis, subcutaneous, epidermis

• epidermis, subcutaneous, dermis

• dermis, epidermis, subcutaneous

• epidermis, dermis, subcutaneous

As cells die they are pushed to the surface to replace dead cells that are shed from the ____.

• stratum corneum

• stratum lucidum

• stratum germinativum

• stratum granulosum

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?

• subcutaneous tissue

• cardiac tissue

• muscle tissue

• nerve tissue

Which nerve fibers are distributed to the arrector pili muscles attached to the hair follicles?

• impulse nerve fibers

• sensory nerve fibers

• secretory nerve fibers

• 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 _____.

• motor nerve fibers

• sensory nerve fibers

• secretory nerve fibers

• impulse nerve fibers

____ fibers react to heat, cold, touch, pressure, and pain.

• motor nerve

• sensory nerve

• secretory nerve

• complex nerve

The amount and type of pigment produced in an individual is determined by his or her ______.

• genes

• gender

• sun exposure

• age