Integumentary System

Question 1

What are the 3 layers of skin?

Answer 1

Epidermis, Dermis, and Hypothermis

Question 2

What type of tissue is epidermis layer?

Answer 2

Stratified Squamous Epithelial Tissue

Question 3

What type of tissue is dermis layer?

Answer 3

Dense Irregular Connective Tissue

Question 4

What type of tissue is hypodermis layer?

Answer 4

Adipose Connective Tissue

Question 5

What layer is beneath the dermis?

Answer 5

Subcutaneous layer

Question 6

Which type of tissue is the subcutaneous layer?

Answer 6

Areolar Connective Tissue

Question 7

What are the older epidermal cells called?

Answer 7

Keratinocytes

Question 8

What are the 5layers of the structural organization of the epidermis called?

Answer 8

1. Stratum Corneum
2. Stratum Lucidum
3. Stratum Granulosum
4. Stratum Spinosum
5. Stratum Basale

Question 9

What is the layer of keratinized, dead epithelial cells that are flattened and non nucleated called?

Answer 9

Stratum Corneum

Question 10

What layer are the cells appear clear; nuclei, organelles, and cell membranes are no longer visible called?

Answer 10

Stratum Lucidum (only present in thick skin)

Question 11

What are the 3 to 5 layers of flattened granular cells that contain shrunken fibers of keratin and shriveled nuclei called?

Answer 11

Stratum Granulosum

Question 12

What are the many layers of cells with centrally located, large, oval nuclei and developing fibers of keratin; cells becoming flattened called?

Answer 12

Stratum Spinosum

Question 13

What layer is a single row of cuboidal or columnar cells that divide and grow; this layer also includes melanocytes called?

Answer 13

Stratum Basale

Question 14

Where is the Stratum Corneum found?

Answer 14

The outmost layer of the skin

Question 15

Where is stratum lucidum found?

Answer 15

between stratum corneum and stratum granulosum on soles and palms

Question 16

Where is stratum granulosum found?

Answer 16

beneath the stratum corneum

Question 17

Where is stratum spinisum found?

Answer 17

beneath the stratum granulosum

Question 18

Where is the stratum basale found?

Answer 18

within the deepest layer of the skin

Question 19

Does the epidermis lack blood cells?

Answer 19

Yes

Question 20

What cells are found in the stratum spinosum and protects the skin and deeper tissues from pathogen invasion?

Answer 20

Dendritic Cells (Phagocytes)

Question 21

What is scattered amongst the stratum basale and corresponds with sensory nerve endings?

Answer 21

Tactile Cells (Merkel Cells)

Question 22

What are the 2 layers of the dermis?

Answer 22

1. Papillary Layer
2. Reticular Layer

Question 23

What are the specialized cells are in the epidermis called?

Answer 23

Melanocytes

Question 24

What tissue is the Papillary layer called?

Answer 24

areolar connective tissue

Question 25

What tissue is the reticular layer called?

Answer 25

Dense Irregular Connective Tissue

Question 26

What is a smooth muscle in the skin associated with a hair follicle?

Answer 26

Arrector Pili Muscle

Question 27

What contains a group of specialized epithelial cells and are usually with hair follicles?

Answer 27

Sebaceous Glands

Question 28

What is the function of the sebaceous gland?

Answer 28

keep hair soft, pilable, waterproof

Question 29

What is the function for merocrine sweat glands?

Answer 29

lower body temperature

Question 30

What type of sweat gland is the one originated deep in the dermis or subcutaneous layer and open to the surface on forehead, neck, and back?

Answer 30

Merocrine sweat gland

Question 31

What sweat gland is near hair follicles in armpit and groin?

Answer 31

Apocrine sweat gland

Question 32

What is the function for apocrine sweat glands?

Answer 32

wet skin during pain, fear, emotional upset, and sexual arousal.

Question 33

What is the function for apocrine sweat glands?

Answer 33

wet skin during pain, fear, emotional upset, and sexual arousal.

Question 34

What type of sweat gland is external acoustic meatus?

Answer 34

Ceruminous glands

Question 35

What type of sweat gland is within the breast?

Answer 35

Mammary glands

Question 36

What do ceruminous glands do?

Answer 36

secrete ear wax

Question 37

What does mammary glands do?

Answer 37

secrete milk

Question 38

What are the 5 types of glands?

Answer 38

1. Sebaceous gland
2. Merocrine sweat gland
3. Apocrine sweat gland
4. Ceruminous gland
5. mammary gland

Question 39

What system is the skin and it’s accessory organs?

Answer 39

Integumentary System

Question 40

Where are the tactile cells located in the epidermis?

Answer 40

Stratum Basale

Question 41

What is keratinization?

Answer 41

The process by which epidermal cells begin to harden

Question 42

Markel cells in the epidermis responds to _______.

Answer 42

Light touch

Question 43

the stratum cornerman of the epidermis is made of _______

Answer 43

Many layers of tough, tightly packed-, dead cells

Question 44

Cellular metabolism results in the production of ________ as energy is lost.

Answer 44

Heat

Question 45

The scaly appearance of the skin of older individuals results from changes in the protein called _______, found within epidermal cells.

Answer 45

Keratin

Question 46

Identify the 2 layers of the dermis

Answer 46

1. Papillary layer
2. Reticular layer

Question 47

The nail consists of 2 parts; a visible nail ____ that overlies a nail ____.

Answer 47

1. Plate
2. Bed