microbiology

Question 1

pellicle

Answer 1

protect enamel from acidic activity

Question 2

14-21 days of bacteria

Answer 2

gingivitis is visible

Question 3

innocuois

Answer 3

bacteria that is not harmful

Question 4

gram negative, motile and anaerobic

Answer 4

bad

Question 5

gram positive

Answer 5

purple
single cell wall
release exotoxin

Question 6

gram negative

Answer 6

red
double cell
release endotoxin and exotoxin

Question 7

aerobic

Answer 7

requires oxygen

Question 8

anaerobic

Answer 8

cannot survive in the presence of oxygen

Question 9

facultative anaerobi

Answer 9

can survive with or without oxygen

Question 10

3 components are needed for the formation of caries

Answer 10

bacterial
tooth structure
fermentable cabohydrate

Question 11

the most cariogenic

Answer 11

monosaccharides
disaccharides

Question 12

responsible for caries formation

Answer 12

strep mutans

Question 13

lactobacillus

Answer 13

found in deep caries lesion
gram positive rods

Question 14

streptococcus and lactobacillus

Answer 14

produce acid
survive in low pH environment

Question 15

the pH in oral DROPS after eating cariogenic food

Question 16

toothpaste pH

Answer 16

9

Question 17

enamel pH demineralization

Answer 17

5.5

Question 18

root pH deinralization

Answer 18

6.2-6.7

Question 19

normal pH of mouth

Answer 19

6.7-7

Question 20

cheese

Answer 20

after acidic food helps raise pH

Question 21

supra biofilm

Answer 21

streptococci
actinomyces
lactoballicus
yeast
filamentous bacteria

Question 22

sub biofilm

Answer 22

actinomyces
T.forsythia
F.nucleatum
P.gingivalis
P.intermedia
P.endodontalis
P.negrescent

Question 23

HPV : thru sexual contact

Answer 23

cause oropharyngeal cancer

Question 24

VZV

Answer 24

chickenpox (varicella)
shingles (zoster)

Question 25

EBV

Answer 25

oral hairy leukoplakia

Question 26

trep pallidum

Answer 26

syphyllis

Question 27

bordetella pertussis

Answer 27

whopping cough

Question 28

measles virus

Answer 28

cause rubeola

Question 29

group A step

Answer 29

scarlet fever
impetigo

Question 30

first line

Answer 30

phagocytes

Question 31

mast cell

Answer 31

release histamine to vasodilate the blood vessel

Question 32

phagocytes

Answer 32

cells that can ingest and digest microorganism

Question 33

PMNs neutrophils

Answer 33

1st line of defense against microorganism

most prevalent cells in acute inflammation

Question 34

macrophages (monocytes)

Answer 34

most numerous cell in chronic inflammation

Question 35

B lymphocytes

Answer 35

secrete antibodies

Question 36

igG

Answer 36

most common antibody

Question 37

igA

Answer 37

provide protection from microorganism

found in saliva, tears,…

Question 38

igM

Answer 38

first type of antibody make it to the infection

stimulate the production of IgG

Question 39

igE

Answer 39

allergic reaction

Question 40

igD

Answer 40

recognize antigen

Question 41

cytokines

Answer 41

transmit the signal to the immune system to send phagocytic

Question 42

Collagenese

Answer 42

destroy connective tissue

Question 43

class symptoms of inflammation

Answer 43

heat
redness
swelling
pain
loss of function

Question 44

chemotaxis

Answer 44

the movement of cell to the site of inflammation