Chapter 9 Flashcards
On what part of the body is the skin the thinnest?
A) shoulders
B) eyelids
C) scalp
D) hands
B) eyelids
Which of the following is the outer layer of the epidermis?
A)stratum granulosum
B) stratum spinosum
C) stratum corneum
D) stratum lucidum
C) stratum corneum
The epidermis contains no _____________, but has many small nerve endings.
A) melanin
B) keratin
C) fibrous protein
D) blood vessels
D) blood vessels
What epidermis layer is responsible for the growth of the epidermis?
A) stratum germinativum
B) stratum corneum
C) stratum granulosum
D) stratum spinosum
A) stratum germinativum
Subcutaneous tissue, also known as ______________ tissue, is a layer of fatty tissue found below the dermis.
A) elastic
B) fibrous
C) adipose
D) connective
C) adipose
What substance lubricates the skin and preserves the softness of the hair?
A) collagen
B) melanin
C) elastin
D) sebum
D) sebum
Which nerve fibers carry impulses from the brain to control muscle movements?
A) secretory
B) sensory
C) motor
D) receptor
C) motor
What layer of the dermis contains the lymph glands?
A) reticular
B) nasal cells
C) granular
D) papillary
A) reticular
____________ supply nourishment to the skin in the form of protein, carbohydrates, and fat.
A) sebum and lymph
B) blood and lymph
C) water and oxygen
D) blood and water
B) blood and lymph
What can occur to the skin when collagen fibers become weakened?
A) wrinkles and sagging of the skin
B) skin tags
C) fatty tissue
D) goosebumps
A) wrinkles and sagging of the skin
The color of the skin, whether fairy or dark, depends on genetics and ________________.
A) sebum
B) keratin
C) melanin
D) collagen
C) melanin
One of the most prominent characteristics of aged skin is its _________________.
A) formation of blackheads
B) oiliness
C) loss of color
D) loss of elasticity
D) loss of elasticity
What body system controls the activity of sweat glands, which regulate body temperature and help to eliminate waste products from the body?
A) circulatory
B) nervous
C) endocrine
D) lymphatic/immune
B) nervous
The outermost layer of the epidermis is covered with a thin layer of sebum, which makes skin _______________.
A) waterproof
B) taut
C) absorbent
D) sensitive
A) waterproof
What is sebum secretion affected by?
A) injury
B) pathogens
C) heat
D) hormones
D) hormones
How much do humans perspire daily?
A) 1 gallon
B) 1 to 2 cups
C) 1 to 2 pints
D) 1 to 2 quarts
C) 1 to 2 pints
________________ is a function of the skin that protects the body from the environment.
A) secretion
B) heat regulation
C) absorption
D) excretion
B) heat regulation
The skin protects the body from injury and __________________.
A) pain
B) pressure
C) pathogens
D) emotional stress
C) pathogens
A _______________ is a small blister or sac containing clear fluid, lying within or just beneath the epidermis.
A) tumor
B) nodule
C) macule
D) vesicle
D) vesicle
An example of a bulla is ______________.
A) impetigo
B) severe acne
C) lipoma
D) a liver spot
A) impetigo
Which of the following primary lesions requires a medical referral?
A) macule
B) cyst
C) papule
D) pustule
B) cyst
A wheal can be caused by _______________.
A) acne
B) poison ivy
C) a mosquito bite
D) second-degree burns
C) a mosquito bite
An abnormal mass varying in size, shape, and color is a ______________.
A) tumor
B) cyst
C) bulla
D) nodule
A) tumor
Severely cracked or chapped hands or lips is considered a(n) _____________.
A) ulcer
B) crust
C) fissure
D) keloid
C) fissure
An excoriation could be caused by ________________.
A) chicken pox
B) psoriasis
C) a post-operative repair
D) nail biting
D) nail-biting
Which of the following is a thick scar resulting from excessive growth of fibrous tissue?
A) excoriation
B) keloid
C) cicatrix
D) crust
B) keloid