integumentary test

Question 1

what is the 3 main layers of the integumentary system

Answer 1

1. epidermis
2. dermis
3. hypodermis

Question 2

what are the different glands

Answer 2

sweat gland and sebaceous gland
1. sweat: eccrine sweat and aprocrine odor glands help with temp regulation
2. sebaceous: produces oil to keep skin moist and keep pathogens away

Question 3

what does the integumentary system include?

Answer 3

hair, skin, nails, sweat glands, sebaceous glands

Question 4

what does the integumentary system do for the body

Answer 4

1. provides a protection from the outside world
2. regulating body temperature
3. sensing the world around you

Question 5

which layer of skin is respnsible for skin temperature?

Answer 5

2. dermis layer

Question 6

what type of gland is most responsible for the prodcution of sweat?

Answer 6

eccrine gland

Question 7

what is the main function of the epidermis layer

Answer 7

protection

Question 8

when the body is too hot, what is done to satisfy the need of cooling down?

Answer 8

• sweating

Question 9

TorF: the dermis contains sweat glands and hair follicles.

Answer 9

• true

Question 10

TorF: the integumentary system does not aid in the immune system

Answer 10

• false

Question 11

what is melanin? what does it do for the skin?

Answer 11

• melanin is the creation of pigment in a persons skin. more melanin = more colour.
• it absorbs uv rays to keep it from harming the skin and potentially getting skin cancer

Question 12

what is keratine?

Answer 12

• the structure material of proteinthat helps make the hair, nails, and skin

Question 13

which type of skin cell is primarily responsbiel for making keratine?

Answer 13

• keratinocytes

Question 14

what is the purpose of the sebaceous gland?

Answer 14

• produce oil to keep the skin moisturized

Question 15

TorF: cartilage is part of the integumentary system.

Answer 15

• false

Question 16

what is the function of the hypodermis?

Answer 16

to produce insulation and store energy

Question 17

why does body odor occur?

Answer 17

• bacteria thrives in the moisture of sweat and breaks down the chemicals

Question 18

how does the integumentary system contribute to homeostasis in the body?

Answer 18

• the integumentary system regulates temperature, prevents water loss, produces vitamin D, and provides a barrier against the outside world.

Question 19

how does vitamin a help the skin?

Answer 19

• vitamin a is needed to prevent skin damage, and potentially skin cancer

Question 20

how does aging effect the integ. system?

Answer 20

• there is less collagen being produced, which can lead to thinner skin and reduced elasticity.

Question 21

what cells are responsible for prodcing melanin?

Answer 21

• melinocytes

Question 22

what are the tissues that do not contain blood?

Answer 22

• avascular

Question 23

what role do sensory receptors play in the integ. system?

Answer 23

• it detects enviromental changes, detects pain and pressure

Question 24

what percentage is melanocytes and keratinocytes made up of?

Answer 24

keratinocytes: 90%
melanocytes: 8%

Question 25

how do you know if a part of your body has a lot of melanin?

Answer 25

- moles and freckles means there is a lot of melanin in a specific spot.

Question 26

what are some skin conditions found in the epidermis?

Answer 26

- dandruff, eczima, in-grown, acne, skin cancer

Question 27

what is more sensitive, hypodermis, epidermis, or dermis?

Answer 27

- the dermis layer

Question 28

what does dermis contain of?

Answer 28

- dermis contains the hair follicle, sweat glands, connective tissues, nerve endings, collagen, and elastin

Question 29

what does hypodermis do?

Answer 29

- insulation for your body (main fat layer) - most blood vessels -cushion/absorber

Question 30

what does blanching mean?

Answer 30

- blanching is when your skin turns white, and it is because you are afraid, sick, or have low blood pressure

Question 31

what are the three types of cancer?

Answer 31

- malignant metanoma, squamous cell carcinoma, basal cell carcinoma

Question 32

what is basal cell carcinoma?

Answer 32

- most common type, but least dangerous and most treatable type of cancer, and is small, red, and flattened bumps which are red and pale. - effects the epidermis

Question 33

what is squamous cell carcinoma

Answer 33

- the least common type of cancer, but more dangerous than basal cell carcinoma cancer.

Question 34

what is malignant melanoma?

Answer 34

- the most dangerous type of cancer and affects the melinocytes. the fastest spreading cancer

Question 35

TorF: the integ. system is responsible for the creation of red blood cells

Answer 35

F; the red lood cells are produced by bone marrow

Question 36

TorF: eccrine glands are responsible for odor

Answer 36

f; apocrine glands are responsible for body odor

Question 37

what tissues are finger nails made out of?

Answer 37

- they are made out of keratine, and are considered dead cells

Question 38

what is acne caused by?

Answer 38

- the overproduction of sebum, and clogged pores

Question 39

is albinism caused by a lack or exess amount of melanin?

Answer 39

- lack