Histology Of The Skin

Question 1

The medical branch of science that deals with the study of the skin and it’s nature, structure, functions, diseases, and treatment is called ______.

Answer 1

Dermatology

Question 2

The skin varies in thickness and is found to be the thinnest on ________.

Answer 2

Eyelids

Question 3

 The skin is the thickest on the _____.

Answer 3

Palms and soles

Question 4

The outer most layer of the skin which is commonly called the cuticle or scarf skin is technically the ______.

Answer 4

Epidermis

Question 5

The horny layer of the skin which contains scale like cells which are continuously shed is called the _______.

Answer 5

Stratum Corneum

Question 6

The clear layer of the epidermis that consists of small, transparent cells through which light can pass is called the

Answer 6

Stratum lucidum

Question 7

The layer formally known as stratum mucosum which is composed of several layers of different shaped cells and contains dark skin pigment is called the

Answer 7

Stratum Germinativum

Question 8

The underlying or inner layer of the skin, which is also called the corium, cutis or true skin is the _____.

Answer 8

Dermis

Question 9

The dermis is made up of two layers: 

Answer 9

Papillary & Reticular

Question 10

The fatty layer found beneath the dermis is called _____.

Answer 10

Subcutaneous

Question 11

Nerve fibers which are distributed to the arrector pili muscles attached to hair follicles are the ______.

Answer 11

Motor Nerve Fibers

Question 12

Nerve fibers which react to heat, cold, touch, pressure and pain are the _____.

Answer 12

Sensory Nerve Fibers

Question 13

Nerve fibers which are distributed to the sweat and oil glands of the skin and regulate the excretion of perspiration and control the flow of sebum to the skin surface are the _____.

Answer 13

Secretory Nerve Fibers

Question 14

Nerve endings are most abundant in the _____.

Answer 14

Fingertips

Question 15

As we age, elastin fibers naturally weaken, causing a loss of ______.

Answer 15

Elasticity

Question 16

The skin contains two types of duck glands that extract materials from the blood to form new substances. They are ______ & _____.

Answer 16

Sudoriferous & Sebaceous glands

Question 17

Sweat glands consist of a coiled base or _____ and a tubelike duck that terminates at the skin surface to form the sweat pour.

Answer 17

Fundus

Question 18

The principal functions of the skin are protection, sensation, heat regulation and _________, __________, & _________.

Answer 18

Excretion
Secretion
Absorption

Question 19

Approximately _______ of the skins aging is caused by the rays of the sun.

Answer 19

80% - 85%

Question 20

90% - 95% of the suns ultraviolet rays that reach the earth surface are called _____ rays

Answer 20

UVA

Question 21

While they can be damaging to the skin, _____ rays do contribute to the body’s synthesis of vitamin D and other important materials. 

Answer 21

UVB

Question 22

Children under the age of ___ should not be exposed to the sun.

Answer 22

6 months

Question 23

A small, discolored spot or patch on the surface of the skin, such as a freckle, is a _____.

Answer 23

Macule

Question 24

An abnormal cell mass varying in size, shape and color is a _____.

Answer 24

Tumor

Question 25

A closed, abnormally developed sac, containing fluid, semi fluid, or morbid matter, above or below the skin is a _____.

Answer 25

Cyst

Question 26

An accumulation of epidermal flakes, dry or greasy, is known as a _____.

Answer 26

Scale

Question 27

A skin sore or abrasion produced by scratching or scraping is known as a ______.

Answer 27

Excoriation

Question 28

A thick scar resulting from excessive growth of fibrous tissue is called ____.

Answer 28

Keloid

Question 29

And inflamed pimple containing pus is known as a ______.

Answer 29

Pustule

Question 30

A crack in the skin that penetrates the dermis is a ______.

Answer 30

Fissure

Question 31

The technical term for whiteheads is _____.

Answer 31

Milia

Question 32

The technical term for excessive perspiration is _____.

Answer 32

Hyperhidrosis

Question 33

The technical term for freckles is _____.

Answer 33

Lentigines

Question 34

Congenital absence of melanin pigment of the body is known as ______.

Answer 34

Albinism

Question 35

The technical term for birthmark is _____.

Answer 35

Nevus

Question 36

The technical term for callus is _____.

Answer 36

Keratoma

Question 37

A small brownish spot or blemish on the skin ranging in color from pale, tans, brown, or bluish black is a _____.

Answer 37

Mole

Question 38

The technical term for wart is ____.

Answer 38

Verruca

Question 39

Fatal skin cancer that starts with a mole is _____.

Answer 39

Malignant melanoma

Question 40

A skin disease characterized by red patches covered with white – silver scales usually found on the scalp, elbows, knees, chest, and lower back is _______.

Answer 40

Psoriasis

Question 41

An inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions, is known as _____.

Answer 41

Eczema

Question 42

The recurring virus infection commonly called fever blisters is known as _____.

Answer 42

Herpes Simplex

Question 43

A sebaceous cyst which is a subcutaneous tumor of the sebaceous gland is known as _______.

Answer 43

Steatoma

Question 44

A condition of dry, scaly skin due to a deficiency or absence of sebum, caused by aging and exposure to the cold is ____.

Answer 44

Asteatosis

Question 45

A chronic inflammatory congestion of the cheeks and nose which is characterized by redness, dilation of the blood vessels and the formation of papules and pustules is known as ____.

Answer 45

Rosacea

Question 46

A condition characterized by increased pigmentation on the skin, in spots that are not elevated, is known as ______.

Answer 46

Chloasma

Question 47

An erruptive skin infection caused by contact with irritating substances such as chemicals or tints is _______.

Answer 47

Dermatitis Venenata

Question 48

A skin disordered characterized by light abnormal patches; caused by a burn or congenital disease that destroys the pigment – producing cells is called

Answer 48

Leukoderma

Question 49

________ plays an important role in the skins health, often aiding in healing, softening and fighting diseases of the skin.

Answer 49

Vitamins

Question 50

It is estimated that ____ percent of Americans are chronically dehydrated. 

Answer 50

75%