Integumentary System

Question 1

6 functions of Epidermis

Answer 1

-protection
-absorption
-excretion
-secretion
-regulation
-sensation

Question 2

Order & Qualities for skin layer in Epidermis

Answer 2

Come Lets Get Sun Burned
-Stratum Corneum
-Stratum Lucidum
-Stratum Granulosum
-Stratum Spinosum
-Stratum Basale

Question 3

How does melanin protect the skin?

Answer 3

Sunscreen scatters & absorbs the UV rays before penetrating through the epidermis.

Question 4

How the Epidermis contributes to skin color & tanning?

Answer 4

Melanin granules are pushed out into the neighboring skin cells, the result in tanning.

Question 5

Structure & Function for Dermis

Answer 5

-Structure & Function
Contains two layers
Papillary layer & Reticular Layer.

Question 6

Three sensory detector

Answer 6

Meissner receptors, Pacinian Corpuscle, & Free Nerve endings.

Question 7

Sebaceous glands

Answer 7

Location: Located all over the body except for palms of hands and soles of feet

Function: Produce oily substance called sebum

Question 8

Sudoriferous glands

Answer 8

Location: On genitals and armpits.
Function: To produce sweat when temperatures rise and evaporation cooling reduces body temperature.

Question 9

Hair follicles

Answer 9

Hair Color: Melanocytes in the follicle produce the pigment that gives it hair color
Hair Texture: The shape of the hair follicle
Goosebumps: When cold or frightened the arrector pili muscles contract to pull the hair up.

Question 10

Three Nail Structures

Answer 10

Nail bed, Nail matrix, & Lunule

Question 11

Hypodermis

Answer 11

Structure: Made of adipose tissue
Function: Source of energy

Question 12

Three types of Cancer

Answer 12

Basal Cell Carcinoma, Squamous Cell Carcinoma, & Malignant Melanoma

Question 13

Similarities and differences between degree burns.

Answer 13

First degree and second degree burn can place a cool wet compress on burnt area. For third degree burn you would need surgical procedure.

Question 14

Rule of nines

Answer 14

9% for both anterior and posterior of the head and neck (4.5% per side)
18% for the anterior torso and 18% for the posterior of the torso. 9% for both the anterior and posterior of each arm (4.5% per side) 18% for both anterior and posterior of each leg (9% per side) 1% for genital region.

Question 15

How does melanin protect the skin from UV rays?

Answer 15

Melanin functions as sunscreen by scatters and absorbs the UV rays.