Capter 8 - Skin Physiology Flashcards
tiny openings that allow sweat or sebum to pass though the surface of the skin are called
pores
the study of the skin’s functions referred to as
skin physiology
which of the following provides the body with its first line of defense against infection by identifying foreign substances in the skin
immune cells
a complex mixture of fatty acids that keeps the skin soft, supple and pliable is known as
sebum
which of the following layer of skin is known as the protective layer
epidermis
the epidermis is primarily composed of
keratinocytes
with of the following is the toughest layer of the epidermis
stratum corneum
keratinocytes on the surface of the skin remain tightly interconnected by intercellular connections called
desmosomes
“spiny” irregularly shaped cells are located in the
stratum spinosum
the layer of skin in which the cells are more regularly shaped and resemble man tiny granules is the
stratum granulosum
a strong protein substance that, when broken down, forms bundles that strengthen and give structure to the skin is
collagen
which of the following is referred to as the “true skin?”
dermis
which of the following is NOT a receptor of sensation in the dermal layer of the skin
- mast cells
- Ruffini’s corpuscles
- krause’s end bulbs
- meissner’s corpuscles
what do sudoriferous glands produce
sweat
apocrine glands are located on all of the following parts of the body EXCEPT the
feet
eccrine glands are most abundant in all of the following areas EXCEPT the
underarm area
what is the male hormone that influence the production of sebum
androgen
what is the structure that insulates and acts as a shock absorber to protect the bones
subcutaneous layer
what is the name of the connective tissue that holds bones to other bones to form joints
ligaments
which of the following is not a form of tissue found in the skin
keratinocytes
which of the following is NOT a type of sensory cell
microphages
pain receptors
thermoreceptors
pacinian corpuscles
the removal of dead skin that stimulates new cell growth is called
exfoliation
which of the following refers to a change in the structure of the skin tissue
lesion
which secondary lesion is a dried mass that is the remains of an oozing sore
crust
a hereditary rash, or an inflammation of the skin, characterized by dry, sensitive, irritated skin is called
atopic dermatitis
an allergic reaction that produces an eruption of wheals is known as
hives
which of the following is a highly contagious viral infection that causes an eruptive, blister like cluster
herpes zoster
warts are most commonly found on the following areas of the body EXCEPT the
- feet
- legs
- hands
- fingers
a chronic inflammatory condition of the face in which the small capillaries of the face become dilated and inflamed is called
rosacea
acne can be caused by all of the following EXCEPT
- genetics
- emotional stress
- hormonal changes
- eating too much chocolate
what is another or a whitehead
closed comedo
which of the following is NOT a myth of acne
acne can be cleared up
which of the following is an ingredient used to dry, exfoliate and help in killing bacteria
benzoyl peroxide
a foul smelling perspiration caused by the yeast and bacteria that break down the sweat on the surface of the skin is called
bromidrosis
which of the following are small elevated growths that can easily be removed by a physician
skin tags
a birthmark or congenital mole is called a
nevus
a freckle is called a
lentigo
which of the following is a term used to identify a rapid onse of an intense and severe condition
acute
the term used to describe symptoms that are frequent and continuing is
chronic
a swelling of tissue or skin caused by an excessive accumulation of fluid in the tissues is called
edema
which of the following is the term for the buildup of skin cells on the epidermis
keratosis
an inflammation in the skin that causes severe itching, usually on undamaged skin, is known as
pruritus
which of the following describes a disease that is active internally throughout the body system
systemic disease
what does intrinsic aging indicate
natural aging process
which of the following is the number one factor in extrinsic aging
amount of sun exposure
