Chapter 4 — Tissue Repair

Question 1

examples of tissues that don’t repair easily

Answer 1

nervous tissue

cardiac muscle

Question 2

example of tissue that does repair easily

Answer 2

epithelial tissue

Question 3

2 forms of tissue repair

Answer 3

regeneration

fibrosis

Question 4

explain regeneration

Answer 4

damaged cells of the tissue replaced with new cells of the same tissue type & have same functioning as before

Question 5

explain fibrosis

Answer 5

damaged cells can’t be replaced - ECM with high fiber content replaces damaged cells - lacks functioning of the replaced tissue

Question 6

‘scar tissue’

Answer 6

fibrosis

Question 7

3 potential steps of tissue repair

Answer 7

inflammatory response
organization
regeneration

Question 8

3 aspects of inflammatory response

Answer 8

clot formation
dilation of undamaged capillaries
heperin released

Question 9

_______ formation prevents further blood loss

Answer 9

clot

Question 10

as capillaries dilate, bring ______ and _______ to the wound

Answer 10

WBCs and leukotrienes

Question 11

function of heperin

Answer 11

dissolves blood clots within the tissue

Question 12

two signs of the inflammatory response

Answer 12

swelling & redness

Question 13

three main aspects of organization

Answer 13

fibroblasts produce collagen fibers
connective tissue builds on fiber framework
new capillaries grow out into tissue

Question 14

organization begins after…

Answer 14

debris is cleared from wounded area

Question 15

________ are responsible for laying down new collagen fibers

Answer 15

fibroblasts

Question 16

the new collagen fibers _____ _______

Answer 16

draw inward

Question 17

new tissue initially as a _____ appearance

Answer 17

pink

Question 18

new tissue is called ______ ________

Answer 18

granular tissue

Question 19

during regeneration…

Answer 19

cells replicate to fill damaged area