Epithelial tissues

Question 1

light microscopy

Answer 1

based on interactions of light and tissue components

Question 2

electron microscopy

Answer 2

based on interactions of electrons and tissue components

Question 3

transmission electron microscopy

Answer 3

small

Question 4

scanning electron microscopy

Answer 4

extremely small

Question 5

unaided resolution

Answer 5

200 um

Question 6

light microscopy

Answer 6

0.2 um (x1000 magnification)

Question 7

transmission electron microscopy

Answer 7

1 nm (x100,000 magnification)

Question 8

fixation

Answer 8

first step of light microscopy

Question 9

grossing

Answer 9

second step of light microscopy

Question 10

dehydration

Answer 10

third step of light microscopy

Question 11

embedding

Answer 11

fourth step of light microscopy

Question 12

sectioning

Answer 12

fifth step of light microscopy

Question 13

staining

Answer 13

sixth step of light microscopy

Question 14

hematoxylin

Answer 14

purple stain, basophilic, stains negatively charged tissue components (e.g. DNA and RNA)

Question 15

eosin

Answer 15

pink stain, acidophilic, stains positively charged tissue components

Question 16

Periodic Acid-Shiff

Answer 16

reaction used to visualize carbohydrates

Question 17

Epithelium

Answer 17

closely associated cells that cover the body or organ’s surface

Question 18

Epithelium functions

Answer 18

protection, absorption, secretion, excretion, gas exchange, gliding between inner body surfaces

Question 19

simple layers

Answer 19

one layer

Question 20

stratified layers

Answer 20

several layers

Question 21

psudostrafied layers

Answer 21

one layer that looks like several layers due to different placements of nucleui

Question 22

exocrine

Answer 22

secrete via duct system

Question 23

endocrine

Answer 23

no duct

Question 24

paracrin

Answer 24

unknonw

Question 25

autocrine

Answer 25

unknown