nutrition Flashcards

1
Q

what tools for screening nutrition status?

A

MUST and STAMP

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2
Q

what is concerning MUST score

A

2

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3
Q

what can interfere with accurate weight measurement (3)

A

dry, ascites, oedema

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4
Q

how do you estimate muscle

A

mid upper arm circumference (MUAC)

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5
Q

how measure height if pt is bedbound

A

knee height

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6
Q

main cause of hypoalbuminaemia

A

infection/sepsis /NOT NUTRITION

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7
Q

hypoalbuminaemia is a prognostic indicator of

A

mortality risk

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8
Q

refeeding syndrome mechanism

A

rise in insulin and minerals causes intracellular uptake of everything at the expense of the blood. ->hypophosphateaemia
hypokalaemia, hypomagnesaemia

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9
Q

short bowel syndrome when

A

remaining bowel is <100cm

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10
Q

high stoma output meds

A

codeine/loperamide
anti PPI

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11
Q

what is PN with gastro patients

A

parenteral nutrition

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12
Q

name of somethin that stimulates appeites

A

orexigen

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13
Q

name of somethin that suppresses appetite

A

anorexigen

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14
Q

what type of receptor senses the presence of food which is bein broken down

A

GPCRs

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15
Q

vagus nerve in stomach is stimulated by (2)

A

chemo and mechano (stretch) receptors

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16
Q

vagus goes to (in brain)

A

nucleus of solitary tract

17
Q

anorexogenic hormones are stored in

A

enteroendocrine cells

18
Q

shape of enteroendocrine cells

A

pyramidal

19
Q

ghrelin secreted by … cells in the …

A

P cells fundus

20
Q

ghrelin is released in proportion to

A

calorific intake

21
Q

ghrelin acts …

A

on the vagus nerve and also on limbic centre of hypothalamus

22
Q

where is ckk produced and which cells

A

I cells duodenum

23
Q

what does cck do (2)

A

release bile and pancreatic enzyme -> slow gastric emptying, satiety

24
Q

pyy released from… mostly in the…

A

L cells colon

25
Q

gasrtci bypass satiety is driven by

A

PYY

26
Q

what hormones are lacking in obese ppl

A

GLP-1 and PYY

27
Q

what is oxontymodulin

A

anorectic product of preproglucagon
L cells

28
Q

what is GIP

A

Glucose-dependent insulinotropic polypeptide
Stored and released by K-cells (found predominantly in small intestine
Incretin hormone
Lower circulating levels in T2D including after meal intake.
Target in new T2D and obesity therapies

29
Q

food intake is controlled by which part of the brain

A

arcuate nucleus

(lateral part of ventromedial nucleus)

30
Q

AGRP and NPY are

A

orexigenic

31
Q

POMC and CART are

A

anorexigenic

32
Q

POMC and CART activated by

A

leptin and GLP-1

33
Q

what does agrp inhibit

A

AgRP is a melanocortin receptor antagonist

34
Q

pomc=

A

pro-opiomelanocortin (satiety)

35
Q

cart =

A

cocaine and amphetamine related transcript (satiety)

36
Q

What do pomc and cart release and what is the effect

A

melanocortins ->decrease appetite

37
Q
A