Integumentary System

Question 1

Organ covering the external surface of the body

Answer 1

Skin

Question 2

Major Tissue Layer of Skin

Answer 2

Epidermis
Dermis

Question 3

Most superficial layer of skin
Layer of epithelial Tissue

Answer 3

Epidermis

Question 4

prevents water loss and resist abrasion

Answer 4

Epidermis

Question 5

thickness of epidermis and dermis varies, rests on the

Answer 5

Dermis

Question 6

consists primarily of cell known as ____ which synthesize ____

Answer 6

Epidermis
Keratinocytes
Keratin

Question 7

Cell change shape and chemical composition

Answer 7

Keratinization

Question 8

Layer of dense connective tissue depending on the location

Answer 8

Dermis

Question 9

On average, the dermis is __ to __ than epidermis

Answer 9

10 to 20 times thicker

Question 10

responsible for most of the skin’s structural strength

Answer 10

Dermis

Question 11

Where the skin rests which is also a layer of connective tissue

Answer 11

Subcotaneous Tissue

Question 12

Deepest layer of epidermis
Consists cell undergoing cell division

Answer 12

Stratum basale

Question 13

consists of cuboidal or
columnar cells that undergo
mitotic divisions about every
19 days

Answer 13

Stratum basale

Question 14

consists of lipid-filled
vesicles called lamellar
bodies.

Answer 14

Stratum spinusom

Question 15

composed of flat,
diamond-shaped cells that
accumulate more keratin and
release contents of lamellar
bodies to the extracellular
space.

Answer 15

stratum granulosum

Question 16

thin clear zone between the
stratum granulosum and
stratum corneum

Answer 16

stratum lucidum

Question 17

most superficial stratum of the epidermis
consists of dead squamous cells filled with keratin
Keratin gives the stratum its structural
strength.
cells are also coated and
surrounded by lipids, which
help prevent fluid loss
through the skin.

Answer 17

Stratum corneum

Question 18

Excessive sloughing of stratum corneum cells from the surface of the scalp

Answer 18

Dandruff

Question 19

Over a bony prominence, the stratum corneum can thicken to form a cone-shaped structure

Answer 19

corn

Question 20

skin subjected to friction, the number of layers in the stratum corneum greatly increases, producing a thickened area

Answer 20

Callus (Hard Skin)

Question 21

composed of dense collagenous connective tissue containing fibroblasts, adipocytes, and macrophages
Nerves, hair follicles, smooth muscles, glands, and lymphatic vessels extend into the dermis.

Answer 21

Dermis

Question 22

Layer of Dermis

Answer 22

Papillary Layer
Reticular Layer