Integumentry System Topic 9

Question 1

What two cells types make up the stratum basale of the epidermis layer

Answer 1

• Keratinocytes

- Melanocytes

Question 2

What are the levels in thick skin?

Answer 2

• Stratum basale
• Stratum spinosum
• Stratum lucidum
• Stratum coreneum

Question 3

What is only present in thick skin?

Answer 3

Stratum Lucidum

Question 4

What are the two levels of the dermis level?

Answer 4

• Papillary layer

- Reticular layer

Question 5

What tissue type is the papillary layer?

Answer 5

areolar connective tissue

Question 6

What type of tissue composes the reticular layer?

Answer 6

Dense irregular tissue

Question 7

What part of the skin contains half of the bodies insulation?

Answer 7

the adipose tissue in the hypodermis

Question 8

Where does the epitheal root sheath extend to?

Answer 8

extends into the dermis

Question 9

What part of the hair expands to the base of the root?

Answer 9

Bulb

Question 10

Where does the hair matrix derived from?

Answer 10

from basal, single layer of cells

Question 11

What is in charge of the color of hair?

Answer 11

Melanin

Question 12

What is the hair papilla do?

Answer 12

• Contains blood supply for growing hair

- Signals for regulation

Question 13

What is the root hair plexus?

Answer 13

Free nerve ending (touch)

Question 14

Where does the sebaccous oil gland open to?

Answer 14

opens into the follicle

Question 15

What causes goosbumps?

Answer 15

arrector pili muscle (SM)

Question 16

What are the 3 parts to a nail?

Answer 16

• Nail root
• Body
• Free edges

Question 17

What softens and lubricates hair, skin, antibiotic and prevents drying?

Answer 17

Sebaccous gland

Question 18

What does the suidorferous gland do?

Answer 18

• Sweat gland
• Cools body
• Waste disposal
• secortory portions in dermis thick and thin skin

Question 19

What is the modified sweat gland in the ear called?

Answer 19

ceruminous gland-produces wax

Question 20

What are the modified glands called that are in charge of producing milk?

Answer 20

Mammary glands

Question 21

What are the 4 major cutaneous sense receptors?

Answer 21

-touch
-pressure
-thermoreceptors
nociceptors

Question 22

What sensor is in charge of touch?

Answer 22

Meissners corpulscles

Question 23

What sensors are in charge of pressure?

Answer 23

Pacincan corpusises

Question 24

When you receive a third degree burn why does it not hurt?

Answer 24

-Nociceptors are destroyed which are in charge of pain