Tissue: The Living Fabric

Question 1

What is the nervous system in charge of?

Answer 1

Internal communication

Question 2

What is the purpose of muscle tissue?

Answer 2

Contract to cause muscle movement

Question 3

What is the purpose of the epithelial tissue?

Answer 3

To form boundaries between different environments, protect, secrete, absorb and filter

Question 4

What is the purpose of connective tissue?

Answer 4

To support protect and bind other tissues together

Question 5

What type of organisms do everything needed to survive themselves?

Answer 5

Unicellular organisms

Question 6

True or False. The individual cells in the body are specialized.

Answer 6

True

Question 7

What is a group of cells of similar structure and function?

Answer 7

Tissues

Question 8

What are the 4 basic tissue types?

Answer 8

Epithelial, connective, muscle and nervous

Question 9

How do you remember the 4 basic tissue types?

Answer 9

Energetic cats make noise!

Question 10

What is a sheet of cells that covers body surfaces or cavities and forms boundaries between different environments?

Answer 10

Epithelial Tissue

Question 11

What are the two main forms of epithelial tissue?

Answer 11

Covering/lining epithelia and grandular tissue

Question 12

Where do you find covering and lining epithelia?

Answer 12

On external and internal surfaces

Question 13

Where do you find glandular epithelia?

Answer 13

Secretory tissues in salivary glands?

Question 14

What are the 5 distinguishing characteristics of epithelial tissue?

Answer 14

1. Polarity
2. Specialized contacts
3. Supported by connective tissues
4. Avascular, but innervated
5. Regeneration

Question 15

True or false. Cells have a distinct top and bottom.

Answer 15

True

Question 16

What is the top of the cell called?

Answer 16

Apical surface

Question 17

What is the bottom of the cell called?

Answer 17

Basal surface

Question 18

What are the lateral contact points that bind adjacent epithelial cells together?

Answer 18

Tight junctions and desmosomes

Question 19

What reinforces the epithelial sheet?

Answer 19

Basement membrane

Question 20

True or False. Blood vessels are not found in epithelial tissue, but epithelium is supplied by nerve fibers.

Answer 20

True

Question 21

The first name of epithelial tissue indicates what?

Answer 21

The number of cell layers

Question 22

The second name of epithelial tissues indicates what?

Answer 22

The shape of the cells

Question 23

What are the functions of simple epithelia?

Answer 23

Absorption, secretion and filtration

Question 24

What type of simple epithelium has flat cells and sparse cytoplasm?

Answer 24

Simple squamous epithelium

Question 25

Where are 2 special squamous epithelia found in the body?

Answer 25

The lining of the lymphatic vessels, blood vessels, and heart. Serous membranes in the ventral body cavity.

Question 26

Which simple epithelia consists of a single layer of cells?

Answer 26

Simple cuboidal epithelium

Question 27

What type of simple epithelia forms walls of smallest ducts of glands and many kindle tubules?

Answer 27

Simple cuboidal epithelium

Question 28

What is the function of simple cuboidal epithelium?

Answer 28

Secretion and absorption

Question 29

What has a single layer of tall, closely packed cells?

Answer 29

Simple columnar epithelium

Question 30

Where can you find the simple columnar epithelium?

Answer 30

Digestive tract, bronchi and gallbladder

Question 31

What type of cells appear to be multi-layered and stratified?

Answer 31

Pseudo-Stratified Columnar Epithelium

Question 32

Where can you find Pseudo-Stratified Columnar Epithelium?

Answer 32

Mostly in upper respiratory tract

Question 33

What is more durable than simple epithelia?

Answer 33

Stratified epithelia

Question 34

How do new cells regenerate in stratified epithelia?

Answer 34

From below, basal cells divide and migrate toward surface

Question 35

What is the most widespread type of stratified epithelia?

Answer 35

Stratified squamous epithelium

Question 36

Describe stratified squamous epithelium

Answer 36

The free surface is squamous, with cuboidal or columnar layers below

Question 37

What type of epithelia has the ability to change shape when stretched?

Answer 37

Transitional epithelium

Question 38

Where can you find transitional epithelium?

Answer 38

Lining of bladder, ureters, and urethra

Question 39

What is a gland?

Answer 39

One or more cells that makes and secretes fluid

Question 40

How are glands classified?

Answer 40

Number of cells forming gland and the site of product release

Question 41

Endocrine secretes into ________.

Answer 41

Bloodstream

Question 42

Exocrine secretes onto a ________.

Answer 42

Surface

Question 43

What ductless glands secrete hormones into blood or lymph?

Answer 43

Endocrine glands

Question 44

What are the 2 important unicellular glands?

Answer 44

Mucous cells and goblet cells

Question 45

Where can you find mucous and goblet cells?

Answer 45

Respiratory tracts and in the epithelial lining of intestines

Question 46

What produces mucin?

Answer 46

Unicellular glands

Question 47

What is mucin?

Answer 47

A sugar-protein that dissolves in water to form mucus

Question 48

A multicellular glandular exocrine gland is composed of what?

Answer 48

A duct and secretory unit

Question 49

Merocrine glands secrete their products by _____.

Answer 49

Exocytosis

Question 50

Holocrine glands _______ releasing secretions and dead cell fragments.

Answer 50

Rupture