CH4 voc Flashcards

1
Q

chem formula for monosacchride

A

(CH2OH)n

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2
Q

monosacchrides

A
have one molecule
fructose 
glucose
galactose
ribose
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3
Q

Glucose

A

most abundant carb

prod. by plants through photosynthesis

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4
Q

disaccharides

A

lactose
maltose
sucrose

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5
Q

lactose

A

Dissachride

glucose and galactose

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6
Q

Maltose

A

disaccharide

glucose and glucose

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7
Q

sucrose

A

Disaccharide

glucose and fructose

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8
Q

carb absorption in villi

A

Additional enzymes digest disac to mono

mono- absorbed into mucosa cells lining the small intestine then to bloodstream then to liver

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9
Q

carb absorption and release

A

Bdown fructose and galactose to glucose

if needed immediately for energy- glucose released to blood stream

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10
Q

carb storage

A

if glucose not needed it is stored as glycogen in liver and muscles

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11
Q

ratio of CHO in carb

A

CH2O

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12
Q

glucose role in cell

A

red blood cells
only use glucose for energy
used to maintain blood glucose

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13
Q

Insulin resistacnce

A

cell becomes less responsive to insulin
-When too much glucose inside cell- cell gets removs insulin receptors
cells stop making receptors preventing glucose into cell and causing hyperglycemia

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14
Q

Glycemic index

A
# associated with with particular type of food
that indicates the food's effect on a persons blood glucose.
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15
Q

Glycemic index

A
# ranges from 50-100
100 pure glucose
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16
Q

High glycemic food

A
70+ stop try to avoid
soda, jelly beans
wheat potato, baked potato
onions
watermelon
17
Q

Moderate glycemic food

A
55-69 use with caution
popcorn, energy bar
rice, pancakes
beets
banana, pineapple
18
Q

Low glycemic food

A
0-54 ideal to consume
pizza, pound cake
sweet potato, bagel
broccoli, carrots
cherries, oranges
yogurt custard
19
Q

GRAS

A

Generally recognized safe
set by FDA
any added substance substance in food

20
Q

fuel use by light exercise

A
  1. 5% fat

12. 5 % carbs

21
Q

Fuel use moderate exercise

A

45% carbs

55% fat

22
Q

fuel used by intense exercise

A

67% carbs

33% fat

23
Q

RDA for carbs

24
Q

AMDR for carbs

A

45-65 % diet

25
simple carbs
sugars | have one or two molecules
26
Simple carbs lead to
tooth decay Increase bad cholesterol decrease good cholesterol obesity and diabetes
27
amylose
Straight chain of glucose
28
Amylopectin
Branched chain of glucose | raises blood glucose faster the amylose
29
glycemic load
Is a GI weighted measure of carb content
30
Condensation RXN
chem reaction in which 2 or more molecules combine to form a larger molecule
31
Hydrolysis
break down of chem compound into two simpler compounds by the addition of water
32
Gluconeogenisis
Occurs when diet does not provide enough carbs. body will make glucose from breakdown of body protns AA cannot make new cells repair tissue support imune system
33
Gluconeogenisis causes
serious damage to heart liver kidneys
34
ketosis
Alternate fuel source for brain Bdown of stored fat during fasting due to low carb intake
35
Ketosis causes
ketoacidosis increase blood acidity enough energy form carbs prevents ketone prod
36
Insulin resistance
cell doesn't have enough insulin receptors because cells have been saturated with glucose