Water and Nutrition Flashcards

(46 cards)

1
Q

the tendency of molecules to stick together

A

cohesion

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2
Q

the clicking of one substance to another

A

adhesion

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3
Q

measure of the difficulty to stretch or break the surface of a liquid

A

surface tension

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4
Q

liquid of 2 or more substances

A

solution

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5
Q

dissolving agent

A

solvent

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6
Q

substance that is dissolved

A

solute

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7
Q

“the science of foods”, foods that we eat and nutrients that we contain

A

nutrition

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8
Q

nutrients that we need in large amounts

A

macro nutrients

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9
Q

nutrients that we need in very small amounts

A

micro nutrients

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10
Q

the use of foods

A

metabolism

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11
Q

when nutrients molecules enter the cells and undergo chemical changes

A

Assimilation

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12
Q

the break down and release of both heat and chemical energy that is transfered to atp

A

Catabolism

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13
Q

it helps with blood protein formation and in the pancreas helps with insulin production.

A

Anabolism

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14
Q

found in most of the foods we eat

A

Carbohydrates

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15
Q

the polysaccharides that are present in vegetables, grains and other plant tissues that are broken down to simpler versions before absorption

A

Complex carbs

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16
Q

indigestible by humans because we lack the enzyme to do so, helps with digestion though by keeping chyme thick

A

Cellulose

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17
Q

refined sugar carbs that must also be broken down

A

Disaccharides

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18
Q

absorbable from sugar

A

Monosaccharides

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19
Q

fats, oils and regulated substances

20
Q

are the most common

A

triglycerides

21
Q

fatty acid chain in which there are no double bonds… usually solid at room temperature

A

saturated fat

22
Q

only found in foods of animal origin

23
Q

variety of dietary sources animal muscle tissue

24
Q

the amount of energy released in the body in a given time by cataclysm

A

Metabolic rate

25
body's rate of energy expenditure whilst resting
Basal metabolic rate
26
used to determine if body weight is proportional to height
Body mass index
27
a cycle of overreacting and vomiting
Bulimia
28
a Person with a BMI over 30
Obesity
29
what are the 8 influences in metabolic rate
size, body composition, sex, age, thyroid function, body temp, drugs, psychology.
30
when is the postabsorptive state
12-18 hours after last meal
31
Micro
vitamins, iron, iodine, zinc, manganese
32
Macro
Carbohydrates, fats, and proteins
33
LDL-low density lipoprotein=
bad cholesterol
34
Proteins are primarily tissue- building whereas carbs and fats are
primarily energy-supplying
35
HDL- high density lipoprotein=
good cholesterol
36
Most vitamins serve to help enzymes or coenzymes
work properly
36
If consumption= TMR,
then weight stays balanced
37
If consumption < TMR
then weight is lost
38
If consumption> TMR
then wight is gained
39
obesity is linked to
cancer diabetes and starvation
40
fatty acid chain with some double bonds, usually liquid at room temperature
unsaturated fat
41
3 conditions for basal metabolic rate
1. awake, lying down not moving a muscle 2. in a postabsorptive state ( 12-18 hours after last meal) 3. Comfortably warm environment
42
How many calories per gram is fat
9
43
How many calories per gram is protein
4
44
How many calories per gram is carbs
4
45
A cup of carbs is how many grams
45