Salivary Secretion Flashcards

1
Q

3 functions of saliva

A

Digestion, Lubrication, Protective

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2
Q

Saliva contains —— which breaks down starch to maltose and branched carbs

A

Alpha Amylase breaks down starch to maltose and branched carbs

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3
Q

Saliva contains what which helps protect against dental carries

A

flouride, calcium, phosphate

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4
Q

What ingredients in saliva make it protective in nature?

A

Lysozyme

Lactoferrin: chelates iron to make it unavailable for use in bacteria

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5
Q

In regards to salivary glands and their secretions, the smaller you get the thicker it gets

A

Parotid gland secretions- watery dilute saliva

Submaxillary gland- mucous and watery

Submandibular- Mucous and watery

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6
Q

See Ion concentrations vs flow rates chart

A

ok

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7
Q

As you move from the Acinus of the salivary gland to the duct opening, how do concentrations change>

A

You lose NaCl, water is impermeable so the amount of water stays the same and the concentration of water rises. Bicarb caoncentration goes up as does K

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8
Q

Parasympathetic stimulation leads to what response in the salivary glands

A

secretion, vasodilation, myoepithelial cell contraction, metabolism and growth of the glands

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