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Physiology Exam V > Fluid and Electrolytes > Flashcards

Fluid and Electrolytes Flashcards

1
Q

What is secreted at duodenum

A

bile

pancreatic enzymes

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2
Q

what is secreted at jejunum and ileum

A

bicarb

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3
Q

what is absorped at jejunum and ielium

A

Na+, Cl-, K+, water

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4
Q

what is secreted at colon

A

bicarb

K+

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5
Q

what is absorped at colon

A

Na+, Cl-, water

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6
Q

SGLT1 and B channels

A

transport Na_ in upper GI during the fed state

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7
Q

Na+ channel

A

transports Na+ and it located more ditally

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8
Q

Na+/H+ exchanger

A

Na+ moves down it’s conc gradient in exchange fro H+

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9
Q

Na+/K+ATPase

A

maintain conc gradent

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10
Q

K+ absorption

A

gets dragged along with water

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11
Q

K+ secretion

A

there is a net neg change in the lumen that attacks K+

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12
Q

Chloride-bicarv exchange

A

absorb cl-
secrete HCO3-
pull Cl- in as Na+ conc increases

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13
Q

chloride secretion

A

mediated by CFTR regulator

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14
Q

How do Ach, VIP, 5-Ht, prostaglands, histamines, cholera, and E. coli regulate CFR and the sodium - hydrogen ion exchanger (what is the mechanism)

A

2nd messenger generation

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15
Q

transport of Ach, VIP, 5-HT, prostaglands, histmaine, cholera, e coli,

A

stimulate CFTR

inhibit Na-H exchanger

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16
Q

result of Ach, VIP, 5-HT, PROSTAGLANDS, HISTAMINES, CHOLERA, E COLI

A

fluid secretion

17
Q

location of Ach, VIP, 5-HT, prostaglands, histamines, cholera, e coli, somatostatin, enkephalin, ne

A

large and small insteine

18
Q

mechanism is mineralocorticoid, glucocortiocid

A

transcriptional regulation

19
Q

transport of mineralocoritcoid

glucocortioid

A

upertake of Na channels and Na/K ATPase

20
Q

location of mineralocoritocid

A

colon

21
Q

function of mineralocortioci, glucocorticoid, somatostatine, enkephalin, NE

A

fluid absorption

22
Q

transport of somatostatine, enkephalin, NE

A

Na-K exchanger

23
Q

osmotic diarrhea

A

caused by nonabosrobable nutrient

24
Q

secretory diarrhea

A

caused by intestinal secretion of fluid and electrolytes

Physiology Exam V (14 decks)

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