food and the ideal diet Flashcards

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1
Q

what is a balanced diet

A

provides all the nutrients, in the correct amounts, needed to carry out the life processes

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2
Q

use of carbohydrates and where do we get them

A

they are glucose, which can be stored as starch and we use them as a source of energy. we can get them from rice, potato

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3
Q

uses of lipids and where do we get them

A

source of energy, provide insulation. we can get them from eggs, milk, cheese

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4
Q

use of protein and where do we get them

A

we use them for making catalysts, building cells. we can get them from soya bean and meat

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5
Q

symptoms of deficiency of vitamin c and where do we get it

A

scurvy - swollen gums

we can get them in lemons or limes.

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6
Q

symptoms of deficiency of vitamin d and where do we get it

A

rickets, bones get soft and can be bent

we can get them in liver

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7
Q

symptoms of deficiency of iron and where do we get it

A

anaemia- oxygen transportation cannot be done efficiently

we can get them in red meat

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8
Q

symptoms of deficiency of calcium and where do we get it

A

weak bones and teeth

we can get them in milk and cheese

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9
Q

how to calculate how much energy do the food contain

A

record the initial temperature of the water in the test tube then burn the food under the test tube. get the final temperature of the water. then minus the final one to the initial one..

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10
Q

the need of energy for the person is depends on _____,______, and ________

A

age, sex and occupation

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11
Q

how do fibres help us

A

add bulk to the faeces that it can pass through gut more easily

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12
Q

disease caused by protein deficiency

A

kwashiorkor - loss of muscle mass and swollen belly

marasmus - stunted growth and weight lose

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