Exam 2-Integumentary System

Question 1

Function of the skin

Answer 1

Excretion
Protection
Synthesis of vitamin D3
Thermoregulation
Sensory information
Insulation

Question 2

four distinct types of cells in the epidermis

Answer 2

Keratinocytes
Melanocyte
Merkel
Langerhan

Question 3

Produce keratin, form the protective outer layer, prevent water loss, and protect against physical damage

Answer 3

Keratinocytes

Question 4

Produce melanin to protect against UV radiation and determine skin color

Answer 4

Melanocytes

Question 5

Act as mechanoreceptors for light touch and pressure sensation

Answer 5

Merkel

Question 6

Function as immune cells by capturing pathogens and presenting them to the immune system

Answer 6

Langerhan

Question 7

List the layers of the epidermis from deep to superficial
Boys, Say Girls Like Candy

Answer 7

Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum

Question 8

Keratinocyte, Melanocytes, Merkel cells

Answer 8

Stratum basale

Question 9

Keratinocytes, Langerhans cells

Answer 9

Stratum spinosum

Question 10

Keratinocytes

Answer 10

Stratum granulosum

Question 11

Stratum lucidum ( thick skin only)

Answer 11

Keratinocytes

Question 12

Dead keratinocytes

Answer 12

Stratum corneum

Question 13

The dermis is rich in BLANK and BLANK fibers, which provide strength and elasticity.

Answer 13

collagen, elastin

Question 14

layer of skin located beneath the epidermis, providing strength, flexibility, and structural support

Answer 14

Dermis

Question 15

The uppermost part of the dermis, adjacent to the epidermis

Answer 15

Papillary

Question 16

Below the papillary layer, making up the majority of the dermis

Answer 16

Reticular Layer

Question 17

Tissue types in the Dermis

Answer 17

Loose areolar connective tissue
Dense irregular connective tissue

Question 18

BLANK in the papillary layer, which has loosely organized fibers allowing mobility of immune cells and other cells.

Answer 18

Loose areolar connective tissue

Question 19

BLANK in the reticular layer, containing thick bundles of collagen fibers and elastin arranged irregularly to resist tension in multiple directions

Answer 19

Dense irregular connective tissue

Question 20

Cell of the Dermis

Answer 20

Fibroblast
Macrophages
Mast cells
Adipocytes
Lymphocytes

Question 21

Sebaceous glands mainly focus on BLANK and BLANK

Answer 21

lubrication, protection

Question 22

BLANK glands are crucial for temperature regulation and excretion

Answer 22

sweat

Question 23

Affect only the epidermis, the outermost layer of skin.
Redness and minor swelling
Painful to touch
Skin may be dry and peeling

Answer 23

First degree Burns (superficial burns)

Question 24

Affect both the epidermis and part of the dermis.
Red, swollen skin with blisters.
Severe pain and sensitivity to touch
Skin may appear shiny and wet due to fluid loss from blisters

Answer 24

Second degree burns ( Partial thickness Burns)

Question 25

Extend through the entire dermis and affect deeper tissues. skin may appear white, charred, leathery, or waxy. Nerve endings are damaged, which may result in a lack of pain in the burn area. Swelling may be present, but blisters are typically absent.

Answer 25

Third-Degree Burns (full thickness burns)