Saliva + salivary glands

Question 1

List the many functions of saliva

Answer 1

lubrication for mastication
oral hygiene
Maintains oral pH
contains digestive enxymes

Question 2

What is the flow rate of saliva

Answer 2

Flow rate from 0.3 to 7ml per minute

Question 3

what does serous saliva secretion contain

Answer 3

ALPHA AMYLASE

Question 4

What do mucousal saliva section contain

Answer 4

mucins

Question 5

What is the range in ml for secretion from minor and major glands

Answer 5

850-1500

Question 6

What is the Ph range for saliva

Answer 6

pH ranges from 6.2 to 7.4

Question 7

What type of secretion do parotid glands release

Answer 7

serous

Question 8

What type of secretion do submandibular glands release

Answer 8

mucous and serous

Question 9

What type of secretion from sublingual glands release

Answer 9

mucous and serous

Question 10

What type of secretion do minor glands release

Answer 10

mucous

Question 11

T/F dysfunction of saliva can be associated with oral pain, infection and increase risk of dental cavities

Answer 11

T

Question 12

What should oral pH be at and why

Answer 12

7.2
bicarbonate/carbonate buffer system for rapid neutralisation of acids

Question 13

What factors affect composition and volume of saliva

Answer 13

Flow rate
criricadium rhythm
Age
gender
pharmaceuticals
size of gland
type of gland
diet
duration of stimmi

Question 14

How does saliva maintain oral health

Answer 14

lubrication with mucousal coat
mechanical cleaning
buffering salts
remineralisation
defensive and digestive

Question 15

In oral cavity what protection do we have

Answer 15

mucosal wall - physical barrier

palatine tonsiles - immunity

salivary glands - washing

Question 16

How do salivary glands contribute to immunity

Answer 16

surrounded by lymphatic system and have high blood flow

Question 17

Which salivary glands are continuously active

Answer 17

Submandibular, sublingual and minor glands are

Question 18

Unstimulated saliva secretion is dominant by which salivary gland

Answer 18

Submandibular

Question 19

What does whole saliva include

Answer 19

salivary gland secretions
blood
oral tissues

Question 20

which cells in salivary glands make the saliva

Answer 20

acini

Question 21

What is main source of saliva production upon stimulation

Answer 21

parotid

Question 22

Describe the detailed structure of salsivary

Answer 22

aciniar cells
ducts
channles

Question 23

What are the 2 types of acini in salivary glands?

Answer 23

serous
mucousal

Question 24

Does serous acinus stain dark or pale

Answer 24

dark

Question 25

In mucous acinus is the nucleus at the base or in the basal third

Answer 25

base

Question 26

In serous acinus is the nucleus at the base or basal third

Answer 26

basal third

Question 27

Does serous have a small central duct or large

Answer 27

small

Question 28

Does mucous acinus have small central ducts or large

Answer 28

large

Question 29

What does serous acinus secrete

Answer 29

serous saliva- water plus alpha amylase

Question 30

What does mucous acinus secrete

Answer 30

mucousal saliva - mucins + water + glycoproteins

Question 31

interlobular ducts are either _______ or ________

Answer 31

Intercalated
Striated

Question 32

which ducts are short narrow duct segments with cuboidal cells that connect acini to larger striated ducts

Answer 32

intercalated

Question 33

which ducts are stripy like a thick lawn. Major site for reabsorption of NaCl

Answer 33

striated

Question 34

Describe the basic histology of striated ducts

Answer 34

striated at the basal end

basal membrane is highly folded into microvilli

Microvilli filled with mitochondria for energy to facilitate active transport

Question 35

what does primary saliva contain

Answer 35

NaCl rich
isotonic plasma-like fluid