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GI > Overview > Flashcards

Overview Flashcards

1
Q

What are the digestive organs of the GI tract?

What about accessory organs?

A

(oesophagus) Stomach, SI, LI

Pancreas, liver

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2
Q

What is prehension?

A

Movement of food into the oral cavity

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3
Q

What is the correct word for urination?

A

Micturition

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4
Q

Which salivary glands are found in the dog?

A

Parotid
Zygamotic
Sublingual
Mandibular

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5
Q

Is the parotid gland serous, mucus or mixed?

A

Serous

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6
Q

Is the sublingual gland serous, mucous or mixed?

A

Mixed

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7
Q

What pH is saliva in a simple stomached animal and why?

A

Neutral (7)

For enzyme amylase

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8
Q

What pH is saliva in a ruminant and why?

A

Alkaline

To buffer fore stomach for fermentation

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9
Q

What 2 components make up mucous?

A

Water

Mucin

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10
Q

What is found in saliva of all animals?

A

Mucus
Bicarbonate (act as buffer)
Lysozymes
Antibodies

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11
Q

In which animals is amylase NOT present in saliva?

A

Not in ruminants or carnivores

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12
Q

What do ruminants have in their saliva that other animals do not?

A

Phopshate

Urea

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13
Q

Saliva secretion is under autonomic neural control. Which nervous system increases saliva secretion?

A

Parasympathetic

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14
Q

Non-ruminants saliva is usually isotonic with blood. How does saliva flow rate alter the tonicity of saliva?

A

Low flow rate –> hypotonic

Fast flow rate –> hypertonic

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15
Q

Ruminant saliva is always isotonic with blood. How does saliva flow rate alter salivas composition?

A

Low flow rate –> phosphate predominates

Fast flow rate –> HCO3 predominates

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16
Q

Where are digestive enzymes produced?

A

All from pancreas and intestinal surface
Proteases also in stomach glands
Amylase also in saliva

17
Q

Why does diet need to e changed over 5-7 days?

A

Enterocytes need to change digestive enzymes and transporter proteins
Takes 5 days to migrate

18
Q

What is the word for blood in the stool?

A

Haematochezia

19
Q

Which animals can’t vomit?

A

Horses, rats

Also ruminants regurgitate not vomit

GI (12 decks)

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