LESSON 5: INTEGUMENTARY

Question 1

consists of the skin and accessory structures, such as hair, glands, and nails

Answer 1

integumentary system

Question 2

the skin is made up for two major tissue layers: 1. & 2.

Answer 2

1. Epidermis
2. Dermis

Question 3

is the most superficial layer of the skin. it is a layer of epithelial tissue.

Answer 3

epidermis

Question 4

two layers of dermis

Answer 4

1. papillary (superficial) compised of areolar connective tissue
2. reticular (deep) composed of dense irregular connective tissue

Question 5

the skin rests on the ______ which is also a layer of connective tissue.

Answer 5

subcutaneous tissue

Question 6

during their movement, the cells change shape and chemical composition, a process called _____

Answer 6

keratinization

Question 7

the term keratinization reflects the fact that the cells become filled with the protein called ______

Answer 7

keratin

Question 8

what is the major cell type in epidermis?

Answer 8

keratinocyte

Question 9

dermis has two layers, name them

Answer 9

papillary (superficial) composed of areolar connective tissue & reticular (deep), composed of deep irregular connective tissue

Question 10

5 layers of skin

Answer 10

1. Stratum Corneum
2. Stratum Lucidum (absent in THIN SKIN)
3. Stratum Granulosum
4. Stratum Spinosum
5. Stratum Basale

Question 11

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

Answer 11

Stratum Basale

Question 12

epidermis is composed of

Answer 12

keratinized stratified squamous epithelium