Integumentary System

Question 1

What are the steps in tissue repair?

Answer 1

Inflammation, organization and restored blood supply, and regeneration and fibrosis

Question 2

Cutaneous sensations

Answer 2

temperature, touch & pain

Question 3

Metabolic functions

Answer 3

synthesis of vitamin from the sun

Question 4

Blood reservoir

Answer 4

holds up to 5% body’s blood volume.

Question 5

excretion

Answer 5

wastes and salt in sweat

Question 6

Epidermis

Answer 6

superficial reason

Question 7

Dermis

Answer 7

middle region

Question 8

Hypodermis

Answer 8

deepest region (superficial fascia)

Question 9

Epidermis

Answer 9

thin outer layer

Question 10

Keratinocytes

Answer 10

produce fibrous protein keratin

Question 11

Melanocytes

Answer 11

produce pigment melanin

Question 12

Dermis

Answer 12

strong, flexible connective tissue

Question 13

Collagen fiber provide

Answer 13

strength and resiliency

Question 14

Elastic fibers provide

Answer 14

stretch-recoil properties

Question 15

Melanin

Answer 15

yellow to reddish-brown to black, responsible for dark skin colors.

Question 16

Melanin

Answer 16

freckles and pigmented moles

Question 17

Carotene

Answer 17

yellow to orange. most obvious in the palms and soles

Question 18

Appendages of the skin

Answer 18

• Sweat glands
• oil glands
• hairs and hair follicles
• nails

Question 19

Eccrine

Answer 19

sweat glands; function in thermoregulation (temperature)

Question 20

Apocrine sweat glands

Answer 20

confined to axillary and anogenital areas

Question 21

hair pigments

Answer 21

melanin

Question 22

arrector pili

Answer 22

responsible for goosebumps

Question 23

structure of a nail

Answer 23

scalelike modification of the epidermis on the distal, dorsal surface fingers and toes

Question 24

Basal cell carcinoma

Answer 24

least malignant, most common

Question 25

melanoma

Answer 25

most dangerous, cured by surgical excision (cutting) 99% of cases squamous cell carcinoma.

Question 26

Melanoma is

Answer 26

highly metastatic and resistant to chemotherapy.

Question 27

Melanoma characters (A: asymmetry)

Answer 27

the two sides of the pigmented area do not match.

Question 28

Melanoma characters (B: border..)

Answer 28

exhibits indentations

Question 29

Melanoma characters (C: color)

Answer 29

color is black, brown, tan, and sometimes red or blue.

Question 30

Melanoma characters (D: diameter)

Answer 30

larger than 6 mm (size of a pencil eraser.

Question 31

Partial thickness burns (1)

Answer 31

first degree, epidermal damage only, localized redness, edema (swelling), and pain.

Question 32

Partial thickness burns (2)

Answer 32

epidermal and upper dermal damage, blisters appear

Question 33

Full thickness burns (3)

Answer 33

third degree, entire thickness of skin is damaged.