Carbs Flashcards

(60 cards)

1
Q

manufactured by plants

A

carbs

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2
Q

carbs provide _ cal/g

A

4

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3
Q

2 types of simple carbs

A

monosaccharides and disaccharides

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4
Q

contain 3-7 C

A

monosaccharides

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5
Q

3 types of monosaccharides

A

glucose, fructose, galactose

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6
Q

monosaccharide known as blood sugar

A

glucose

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7
Q

sweetest of all monosaccharides

A

fructose

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8
Q

monosaccharide produced by digestion of lactose

A

galactose

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9
Q

inability to metabolize galactose

A

galactosemia

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10
Q

sugars bound by glycosidic bond

A

disaccharides

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11
Q

3 types of disaccharides

A

sucrose, maltose, lactose

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12
Q

glucose alpha 1 beta 2 fructose, aka

A

sucrose

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13
Q

disaccharide that’s found naturally in foods

A

sucrose

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14
Q

invert sugar

A

free glucose and fructose

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15
Q

sugar that’s sweeter than sucrose

A

invert sugar

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16
Q

is a natural invert sugar

A

honey

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17
Q

glucose alpha 1-4 glucose, aka

A

maltose

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18
Q

product of starch degradation

A

maltose

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19
Q

galactose beta1-4 glucose, aka

A

lactose

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20
Q

disaccharide made in mammary glands of lactating mammals

A

lactose

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21
Q

lack of __ is most common form of carb malabsorption

A

lactase

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22
Q

natural sugar

A

found as part of food in nature

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23
Q

added sugar

A

natural sugar not naturally in that food

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24
Q

added sugar should be __% of total energy

A

less than 10%

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25
3-10 sugars long, water soluble, often sweet, difficult to digest, act as fibers
oligosaccharides
26
type of complex carb
polysaccharide
27
carbs with 10 or more sugars
polysaccharide
28
3 types of polysaccharides
starch, glycogen, fiber
29
storage form of carbs in plants
starch
30
starch is 100% __
glucose
31
combo of amylose and amylopectin
starch
32
polysaccharide found in corn, rice, potato, tapioca
starch
33
starch that recrystallizes after cooking
resistant starch
34
most resistant type of starch
RS3
35
starch digested by
alpha-amylase
36
starch digestion yields
dextrins and limit dextrins
37
dextrins and limit dextrins are digested by
brushborder enzymes
38
glycogen is 100% __
glucose
39
storage form of carbs in mammals
glycogen
40
organs that regulates blood glucose
liver and muscle
41
type of fiber that increases water holding capacity, increases fecal volume, and decreases GI transit time
insoluble fiber
42
type of fiber that increases GI transit time, forms gels, binds nutrients, and decreases absorption
soluble fibers
43
fiber rich foods also contain these 2 mineral binders
phytate and oxalate
44
RDA of carbs for adults
130 g/day
45
dietary fiber AI for adults (18-50); men= __ and women=__
men=38 g/day; women=25g/day
46
normal fasting blood glucose
70-99 mg/dL
47
blood glucose regulated by these 2 hormones
insulin and glucagon
48
insulin released from
beta cells of pancreas
49
glucagon released from
alpha cells of pancreas
50
glucagon causes breakdown of __ to __
glycogen to glucose
51
glucagon inhibits __ uptake
glucose
52
glucagon stimulates
gluconeogenesis
53
AA released from muscle when blood sugar is low
alanine
54
hyperglycemia
high blood glucose
55
what 2 things affect blood glucose and increase triglycerides?
sugars and starch
56
what polysaccharide will not increase blood sugar?
fiber
57
takes into account how much fiber is in the product and is more useful in determining true impact on blood sugar
glycemic load
58
5 fates of blood glucose
1. muscle glycogen 2. stored as fat 3. liver glycogen 4. kidney 5. other tissues
59
intensity of exercise that uses most carbs
high
60
2 roles of carbs in the body
energy and spare protein