lecture 10 - malnutrition Flashcards

1
Q

what are some principal dietary constituents

A

energy
protein
minerals
fibre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what happens when there is insufficient carbohydrate

A

ketosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what does fat consist of

A

triglycerides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

which essential fatty acids are required for membrane synthesis

A

linoleic and linolenic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are proteins a source of

A

nitrogen
essential amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the bulk elements

A

Na
K
Ca
Mg
Cl
S
P

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are trace elements

A

other essential elements in nutrition bar bulk ones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

why are zinc copper and selenium monitored more

A

deficiency syndromes associated with them are better established

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are vitamins

A

organic compounds that majority cannot be synthesised in the human body and must be provided in the diet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are vitamins essential for

A

normal processes of metabolism, growth and maintenance of health.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is subclinical deficiency

A

depletion of body stores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is overt deficiency

A

accompanies by other malnutrition

earlier diagnosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are biochemical tests of vitamin deficiency

A

blood, plasma, erythrocytes, lecocytes tests

direct measurement of vitamin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

most common iron deficiency

A

anaemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

two types of iron in diet

A

haem (protein associated)

non-haem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

absorption of non haem iron facts:

A

varies from 2-100%

influenced by solubility of iron and iron status

17
Q

absoprtion of haem iron facts

A

20-30%

absorbed intact and iron is released in the mucosal cell

18
Q

what is reccomended amount of iron

A

man - 5-10mg/day

woman - 7-20mg

19
Q

sources of haem iron

A

meat
seafood

20
Q

sources of non haem iron

A

nuts
beans
vegetables

21
Q

what are causes of anaemia

A

low iron in diet

body changes - preg or lactation

gastrointestinal tract abnormalities

blood loss

22
Q

what enhances iron bioavailability

A

vitamin C form non heme

23
Q

what inhibits iron absorption

A

cereals

legumes

24
Q

symtpms of iron deficiency

A

shortness of breath
fatigue
reduced vitality
pale skin
susceptible to infection

25
Q

clinical biomarkers of anaemia

A

haemoglobin
serum ferritin
corpuscular volume

26
Q

diagnosis of anaemia

A

complete blood clount:

reduced RBC
normal WBC
elevated platelet count

reduced ferritin

27
Q

treatment for anaemia

A

dose of iron 3-6mg
ferrous salts
leafy greens
iron rich diet