Salivary Tissue

Question 1

location of the parotid gland

Answer 1

mucosa of cheek, opposite the crown of 2nd upper molar tooth (Stensen’s ducts)

Question 2

which salivary gland located in the sunlingual fold (excretory ducts)

Answer 2

sublingual gland

Question 3

submandibular gland located at the _______ ( wharton’s ducts)

Answer 3

sublingual caruncle

Question 4

parotid gland produce serous, watery secretion (dominant in stimulated saliva ) t/f

Answer 4

True

Question 5

what does the submandibular glands produce

Answer 5

mxed serous and mucos glands

Question 6

which glands secrete a saliva that is predominatly mucous in character

Answer 6

sublingual glands

Question 7

salivary protiens can be _____

Answer 7

1- multifunctional
2- redundant
3- amphifunctional
4- complexing

Question 8

Saliva has built in _______ in regard to its protective functions

Answer 8

redundancy

Question 9

a molecule may have both protective and detrimental properties _________ may depend on molecules _______ or site of action

Answer 9

double edged sword
location

Question 10

define complexing

Answer 10

functional relationships exist between different molecules in saliva
example mucin

Question 11

amphifunctional

Answer 11

performing both good and bad functions

Question 12

functional relationship between molecules

Answer 12

complexing

Question 13

multifunctional __________________

Answer 13

perform more than one function

Question 14

redundant - performing similar functions to different extents. t/f

Answer 14

True

Question 15

unstimulated saliva normal mean ?
stimulated saliva normal mean?

Answer 15

0.5 ml/min
1.5 ml/min

Question 16

salivary function

Answer 16

1- lubrication and protection
2- buffering action and clearnace
3- mainenance of tooth integrity
4- antibacterial activity
5- taste and digestion

Question 17

what is the major buffer in stimulated saliva

Answer 17

carbonic acid/ bicarbonate buffer

Question 18

phosphate buffer is a major buffer of __________saliva

Answer 18

unstimulated

Question 19

the phosphate buffering system has a acid base pair pka of _____

Answer 19

6.8-7.2

Question 20

protein buffer

Answer 20

its not very effective due to its lack of many ionized groups (as nearly all the charged groups of amino acid residues are involved in forming peptide bond)

Question 21

what maintain enamel integrity ?

Answer 21

supersaturation of calcium phosphate

Question 22

prp’s, ihibiotrs of _______

Answer 22

calcium phosphate crystal growth

Question 23

mucins is the aggregation of bacterial cells. T/F

Answer 23

True

Question 24

lactoferrin

Answer 24

is an iron binding glycoprotien secreted by the serous cells of the major and minor salivary glands.

Question 25

what are other names of N-acetylmuramide and glycanhydrose

Answer 25

lysozymes

Question 26

salivary peroxidase

Answer 26

is produced in the acinar cells of the parotid and submandibular glands but not in the minor salivary glands

Question 27

salivary peroxidase system have two major biologic functions

Answer 27

1- antimicrobial activity
2- protection of host proteins and cells from hydrogen peroxide toxicity

Question 28

the secretory immunglobuins, s-iga act by __________

Answer 28

aggregating bacteria

Question 29

amylase

Answer 29

calcium metalloenzyme

Question 30

ivolved in the first phase of fat digestion

Answer 30

lipase

Question 31

Saliva hypotonicity , enhances the ___________ and __________ without being masked by ________

Answer 31

capacity of salty food
nutrient sources
normal plasma sodium levels

Question 32

saliva hypotonicity depends on the precense of protein and gustin which binds zinc to promote taste bud sensitivity. t/f

Answer 32

True

Question 33

what is saliva check buffer

Answer 33

is a saliva testing examination tool

Question 34

salivary hypofunction is not due to the normal aging process. T/F

Answer 34

True