Lecture 2

Question 1

What type of epithelial tissue is called
endothelium when it lines vessels and mesothelium when it lines cavities?

Answer 1

Simple squamous

Question 2

Which epithelium is usually a secretory type?

Answer 2

Simple cuboidal

Question 3

Which epithelium is usually absorptive?

Answer 3

Simple columnar

Question 4

Which epithelium is often ciliated (found in respiratory and urinary systems)?

Answer 4

Pseudostratified columnar

Question 5

Stratified squamous can either be ____ or ____

Answer 5

keratinized or non-keratinized

Question 6

Stratified epithelium
often display different
levels of cell maturation
with more stamina cells
located in the proximity
of the basal lamina and
more differentiated cells
closer to the ____

Answer 6

surface

Question 7

Epithelial cells are highly proliferative cells –during development, a single layer of cells
can proliferate, invaginate and generate ___

Answer 7

glands

Question 8

Exocrine glands maintain a connection to the surface (duct) to reverse the product into
the ____ of lining cavity

Answer 8

lumen

Question 9

Endocrine glands detach from the surface and reverse their products into the _____

Answer 9

blood stream

Question 10

Exocrine glands are composed of a ___ and ___

Answer 10

secretory unit and duct

Question 11

What three shapes can secretory units take on?

Answer 11

1) Tube shaped
2) Sac like
3) Tube shaped with dilated ends

Question 12

Three types of secretory products?

Answer 12

1) Mucous (thick, viscous)
2) Serous (watery)
3) Mixed

Question 13

What are the two types of duct systems?

Answer 13

Branched and unbranched

Question 14

What is an example of a unicellular Gland

Answer 14

goblet cells of the small intestine

Question 15

Simple tubular ducts are found in the ____

Answer 15

intestine

Question 16

Simple branched tubular ducts are found in the ____

Answer 16

stomach

Question 17

What is the role of glandular epithelia?

Answer 17

Production, storage and secretion of specific molecules

Question 18

Three types of exocrine glands?

Answer 18

1) Merocrine
2) Apocrine
3) Holocrine

Question 19

Connective tissue is made up of cells and ECM. What is ECM made of?

Answer 19

protein fibers and ground substance

Question 20

True or False: In connective tissues, cells are not contiguous with one another but dispersed in abundant ECM produced by the cells.

Answer 20

True

Question 21

What are the function of connective tissue?

Answer 21

-Bind together (fills spaces between cells, tissue, organs)
-Compartimentalization (surrounds organs and divides them into smaller units)
-Support
-Protection/ transport
-Storage

Question 22

True or False: The below cells are a part of the connective tissue?

Fibroblast
Plasma cell
Adipocyte
Macrophage
Mast cell
Reticular cell

Answer 22

True

Question 23

What are the two main types of connective tissue?

Answer 23

Proper and specialized

Question 24

What are the two type of proper connective tissue?

Answer 24

Loose vs. Dense

Question 25

What are the specialized connective tissue? (4)

Answer 25

1) Adipose 2) Cartilage 3) Bone 4) Blood

Question 26

What are the two types of dense tissue?

Answer 26

1) Irregular 2) Regular

Question 27

Which type of connective tissue has much ground substance, but little collagen? It also supports lamina propria, is well-vascularized, and fills space between muscle, nerve, and blood vessels?

Answer 27

Loose connective tissue

Question 28

Which connective tissue has MORE collagen fibers than ground substance?

Answer 28

Dense Irregular Connective Tissue

Question 29

____ is less cellular, less flexible, and more stress resistant than loose CT

Answer 29

Dense irregular CT

Question 30

In ____ Connective Tissue, thick collagen fibers run parallel to each other and fibroblast nuclei lined up as car in traffic

Answer 30

Dense Regular CT

Question 31

____ CT is a dense connective tissue rich in elastic fibers

Answer 31

Elastic CT