Tissues and Skin

Question 1

What are the tissues types which make up the integumentary system?

Answer 1

Epithelial, connective, muscle, nervous

Question 2

Describe epithelial tissue

Answer 2

Covers most internal and external organs

Question 3

What is the function of epithelial tissue?

Answer 3

Protection - epidermis of the skin
Sensory - skin eyes and ears
Secretion - substances such as enzymes and hormones
Absorption - nutrients from the digestive system
Excretion - waste products

Question 4

What is connective tissue

Answer 4

Most abundant and widely distributed tissue

Question 5

What is the function of connective tissue?

Answer 5

• Binds tissues and organs together
• Supports organs in their location
• Storage site for nutrients

Question 6

Describe muscle tissue

Answer 6

Enables voluntary and involuntary movement

Question 7

Describe nervous tissue

Answer 7

Highly specialised cells that receive and transmit electrical impulses

Question 8

Describe the Membranes?

Answer 8

• Thin like structures that cover and protect surfaces and interiors of the body
• Divide into epithelial and connective membranes

Question 9

Describe epithelial membranes

Answer 9

Cutaneous - cover body surfaces that are exposed to external environment
Mucous - line body cavities that open to exterior
Serous - line body cavities that do not open to the exterior

Question 10

What forms the integumentary system?

Answer 10

Skin, hair, nails, glands, blood vessels, muscles and nervous

Question 11

What layers make up the Integumentary system?

Answer 11

Epidermis, dermis, hypodermis

Question 12

What does the dermis contain?

Answer 12

Sebaceous glands, dermal arterioles, hair follicles

Question 13

Three pigments that affect skin colour

Answer 13

Melanin, carotene and haemoglobin

Question 14

Functions of the skin

Answer 14

Protection, sensory, excretion, vitamin D synthesis, stores blood, temperature regulation

Question 15

Which layer of the skin is composed of connective tissue?

Answer 15

Dermis

Question 16

The layer of the skin that is composed of epithelial tissue is the:

Answer 16

Epidermis

Question 17

What is produced by the sebaceous glands to moisten and softens skin?

Answer 17

Sebum

Question 18

Sensory neurons that detect touch, vibration, tickle, heat, cold and pain are located in which layer of the skin?

Answer 18

Dermis

Question 19

The portion of hair that is responsible for its growth is

Answer 19

Matrix

Question 20

The hypodermis (subcutaneous layer) consists of

Answer 20

areolar and adipose tissue

Question 21

Which layer of skin has no blood vessels

Answer 21

Epidermis

Question 22

Which layer of the skin functions as a blood reservoir

Answer 22

dermis

Question 23

What is the epidermis made up of?

Answer 23

Stratified squamous epithelial tissue

Question 24

What is your skin responsible for?

Answer 24

Your skin protects your body against infections and extreme temperatures, maintains your balance of fluid and synthesis vitamin D for your own personal use

Question 25

What do melanocyte do and where are they located?

Answer 25

Located in the epidermis and responsible for the synthesis of melanin, the pigment which gives skin its colour

Question 26

What are Langerhans cells and where are they located?

Answer 26

Located in the epidermis and responsible for ingesting the unwanted invaders

Question 27

What are Merkel cells and where are they located

Answer 27

Located down at the boundary between the epidermis and dermis where they combined with nerve ending to create a sensory receptor for touch

Question 28

What are the layers in the epidermis?

Answer 28

stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum and stratum basale layer (CLGSB)

Question 29

What are the layers of the dermis?

Answer 29

Papillary layer, reticular layer, hypodermis