Integumentary System

Question 1

What are four body components that make up the Integumentary System?

Answer 1

1. Skin
2. Hair
3. Nails
4. Cutaneous Glands

Question 2

How do you calculate how much your skin weighs?

Answer 2

Body weight multiplied by 15%.

Question 3

What are six functions of the skin?

Answer 3

1. Resistance to trauma and infection
2. Serves as a barrier to water, ultraviolet radiation, and other harmful chemicals
3. Involved in the synthesis of Vitamin D
4. Involved in sensation to heat, cold, touch, texture, pressure and vibration
5. Thermoregulation - vasoconstriction, vasodilation and sweating
6. Social functions including non-verbal expression, self image, and emotional state

Question 4

What is the definition of Dermatology?

Answer 4

The study and medical treatment of the integumentary system.

Question 5

What is the definition of Hyperthermia?

Answer 5

Abnormally high body temperature.

Question 6

What is the definition of Hypothermia?

Answer 6

Abnormally low body temperature.

Question 7

What is the definition of Sebum?

Answer 7

An oily secretion of the sebaceous glands.

Question 8

What is the definition of Autograft?

Answer 8

Transfer of skin from one part of the body to another.

Question 9

What is the definition of Homograft?

Answer 9

Transplant of skin from one person to another.

Question 10

What is the definition of Xenograft?

Answer 10

Transplant from an animal to a human.

Question 11

What are three layers of the skin?

Answer 11

1. Epidermis
2. Dermis
3. Hypodermis

Question 12

Which layer of skin contains hair follicle sebaceous glands, sweat glands, blood vessels, and nerve endings?

Answer 12

The dermis

Question 13

Which layer of skin contains adipose tissues?

Answer 13

The hypodermis (subcutaneous)

Question 14

What are three types of hair texture?

Answer 14

1. Straight
2. Wavy
3. Tight curly

Question 15

What is responsible for Black/Brown hair?

Answer 15

Rich in eumelanin.

Question 16

What is responsible for Red hair?

Answer 16

Little eumelanin and high in pheomelanin.

Question 17

What is responsible for Blond hair?

Answer 17

Intermediate pheomelanin and little eumelanin.

Question 18

What is responsible for Gray/White hair?

Answer 18

Little or no melanin.

Question 19

What are four major parts of the fingernail?

Answer 19

1. Protective covering
2. Nail plate
3. Nail bed
4. Lunula

Question 20

What are three factors that affect skin color?

Answer 20

1. Genetic
2. Environmental
3. Physiological

Question 21

What are the four degrees of classification of skin burns?

Answer 21

First degree burn – superficial partial-thickness
Second degree burn – deep partial-thickness
Third degree and Fourth degree burn – full-thickness requiring transplant

Question 22

What color would the skin be for someone suffering from Jaundice?

Answer 22

Yellowish

Question 23

What color would the skin be for someone suffering from Cyanosis?

Answer 23

Bluish