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Gastrointestinal System -anatomy > Hızır > Flashcards

Hızır Flashcards

1
Q

Ventromedial nuckeys ve ventrolateral nucleusların görevi

A

Medail satiety

Lateral feeding

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2
Q

Temperature and feeding relation

A

Cold stimulates feeding

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3
Q

Write down the anorexigenic substances

A 
Alpha msh
Leptin
Serotonin
Norepinephrine
Crh
İnsulin glucagon
Peptide YY
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4
Q

Write down the orexigenic substances

A 
Neyropeptide Y
Agrp
Orexins
Endorphin
Galanin
Gherlin
Cortisol
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5
Q

What does pomc/cart cell secrete in order to decrease feeding

A

Alpha msh

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6
Q

Where does thirst center located

A

Supraoptic area

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7
Q

How does Hemmorhage effect drinking

A

It increases drinking despite unchanged extracellular osmality

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8
Q

Write down the major glands in stimulated and unstimulated conditions

A

Uns submandibular

Stim parotid

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9
Q

Explain the ionic content of the saliva

A

Rich in K and Bicarbonate

Poor in sodium and chloride

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10
Q

Explain the osmality of primary and secondary saliva output

A

Primary isotonic
Secondary hypotonic
As ductal cells are impermiable to water

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11
Q

What happens the concentration of sodium if rate of saliva secretion is high

A

It will increase in concentration

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12
Q

Why do we gice atropine to patient who is going to take anesthesia

A

Prevent secretion trickling into trachea via stopping the saliva output

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13
Q

Write down tge adh and aldosteron action on saliva

A

Doesnt change rate of secretion but ionic composition
Aldısteron increases absorption of Na and secretion of K
Adh enhances Na absorption
They only act on ductular cells

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14
Q

Explain the osmality of bile secretion

A

Rich in bicarbonate
Similar na and k to plasma
Lower cl than plasma
İsotonic solution

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15
Q

What is the effect of secretin on bile secreton

A

Volume of flow and bicarbonate increases

Bile acid doesnt increase

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16
Q

Ehich hormone is effective on emptying of gallbladder

A

Cck

17
Q

Why do we give drugs that inhibit reabsorption bile to patient with high cholesterol

A

Thus decreased reabs will lead increase in bile acid production which uses chılesterol

18
Q

Explain the abs of bile in distal portion

A

It is active transport

Active transport has higher affinity to conjugated bile

19
Q

Ecplain the choleretic effect

A

Bile acid in portal blokd stimulate the secretion of bile but inhibit synthesis

20
Q

Where does distention of bile duct localises

A

Mid epigastriumor right subcostal region

21
Q

In the absence of which hormone pancreas go intı atrophy

A

Cck

22
Q

At high flow rate what will be the composition of pancreas

A

?

23
Q

What is the effect of secretin and cck on pancreas

A

Secretin uses cAMP. Strong stimulus for HCO3 weak stimulus for enzymes

Cck uses Ca. Vice versa

24
Q

Pain type of pancreayic diseases

A

Located in upper abdomen
Radiates to back
Relief by sitting or bending up

Gastrointestinal System -anatomy (12 decks)

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