Secretion Of Slaiva

Question 1

What kind of secretion form the parotid

Answer 1

Serous

Question 2

What kind of secretion form the submandibular

Answer 2

Mixed mucous and serous

Question 3

What is a mucous secretion and serous

Answer 3

Serous is watery

Mucous is viscous thick with more glycoproteins

Question 4

What secretion is the sublingual

Answer 4

Mostly mucous

Question 5

What happens to the saliva as it travels along the duct

Answer 5

Ions such as sodium and chloride reabs

And pottasium is sec into saliva

Question 6

What is resting secretion

Answer 6

Present throughout the day and night 
Keeps mouth and oropharynx 
Moist 
Lubrictaed 
Protected

Question 7

What is stimulated secretion

Answer 7

During eating 
Massive increase over short peirod 
Sensory stimulated
Gustatory receps on tongue
Mevhanoreceps
Olfactory receps smell 
Nociceptors 
Higher centres

Question 8

What is whole mouth saliva

Answer 8

Mixed secretions form all glands
All Producing variable volumes
Plus debris and other oral fluids such as gingival crevicular fluid

Question 9

What is the stim and unstim Bol form each of the glands

Answer 9

Unstim

• parotid –> 20%
• submandibular –> 65%
• sublingual –> 7-8%
• minor –> 7-8%

Stim

• parotid –> 50%
• submand –> 30%
• Subling–> 10%
• minor –> 10%

Question 10

What are some inorganic components of saliva

Answer 10

Sodium 
Pottasium 
Chlorine 
Fluoride 
Calcium 
Phosphate 
Bicarbonate

Question 11

What does fluoride in the mouth do

Answer 11

Enamel protection

Question 12

What does calcium do in the mouth

Answer 12

Supersaturated saliva

Question 13

What does bicarbonate do in the mouth

Answer 13

Buffer

Question 14

What are some organic components of saliva

Answer 14

Lipase - fat metab 
Hi statins - anti fungal 
Immunoglobulins 
Growth factors
Amylase - carb metab

Question 15

What are some functions of saliva

Answer 15

Protect tissue 
Protect teeth 
Enhance taste 
Lubriacte food 
Neut organic acids 
Discourage bac growth 
Recycle fluoride

Question 16

Which glands produce amylase and what does it do

Answer 16

Parotid and submand
Hydrolyses carbs to maltose etc
Denatured in stomach
Cleanse mouth

Question 17

What glands prod lipase and what does it do

Answer 17

Lingual glands associciated with circumvaklate papillae 
Fat digestion 
Resist stomach acid 
Babies 
Taste buds

Question 18

What is salivary sec dept on

Answer 18

Reflex activity which is innate
Automatic
To a known stimulus such as feeding

Question 19

What are some stumuli that cause salivary sec

Answer 19

Gustatory 
Masticatory 
Olfactory 
Psychic 
Visual 
Thermo receptive 
Possibly nociceptive

Question 20

What instrument is used to sample saliva

Answer 20

Lash let cup and cannula

Question 21

What is the gustatory salivary Reflex

Answer 21

Stumuli delivered to gustatory receptors in taste buds
Basic tastes cause salivary sec
Sour>salt> bitter and sweet

Question 22

What is the role of intra oral ,evhanoreceptors

Answer 22

Output of saliva directly proportional to masticatory forces
Contribute to masticatory reflex

Question 23

Does a true olfactory parotid salivary reflex exist in humans

Answer 23

No

Question 24

What su psychic stimuli

Answer 24

Anticipation of food ‘mouthwatering”not proven
May just be awareness of saliva in mouth
Myoepthelial cells or facial musculature

Question 25

What is a conditioned reflex

Answer 25

Demo by Pavlov dog that certain set conditions accompany natural stimulus
Not easily demo in man

Question 26

What are the three pairs of salivary glands major

Answer 26

Parotid
Submandibular
Sublingual

(Numerous minor - lips, cheeks, palate, tongue etc)