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Nutrition Exam 1
exam1
75
Science
Undergraduate 2
09/24/2009

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Cards

Term

Which hormone(s) acts to lower blood sugar?

Definition
Insulin
Term

Which of the following can NOT be source of blood glucose directly or indirectly


Definition

adipose fat

 

Can....

liver glycogen

dietary lactose(CHO)

muscle protein

lactic acid

Term
Where does digestion of fructose begin?
Definition
Fructose doesnt digest
Term
the bodys tight control over blood glucose levels is primarily to protect the energy needs of...
Definition
brain!
Term
What is produced by the action of lactase?
Definition

galactose+glucose 

 

lactase breaks down lactose into them 

Term
what is the end product of digestion by amylase
Definition
maltose
Term
Where is the body are amino acids converted to glucose 
Definition
liver 
Term
which of the following can be made from fat by the body 
Definition
nothing!
Term
getting hungry every 4-6 hrs ensures that
Definition

liver glycogen stores are kept filled 

  liver glycogen is glucose stored in liver

Term
which of the following conversions is not possible in the body 
Definition

muscle glycogen to blood glucose

 

 

you can 

alcohol to fat

protein to fat

glucose to some amingo acids

lactic acid to glucose

Term
the energy contained in food is stored in the 
Definition
chemical bonds
Term
which organ is primarily responsible for cleaning the blood
Definition
kidney
Term
insulin stimulates an increase of what energy sotres
Definition
all energy sources
Term
what functions do carbohydrate,fat, and protein share
Definition
sources of energy for body 
Term
where in the body is most lactic acid produced 
Definition
muscle 
Term
DRIs???
Definition
not a requirement , over 3-7 days , guidelines for healthy people 
Term
what is the purpose of pancreatic bicarbonate
Definition
neutralize some of the stomachs acid 
Term
in the us which tis the least likely fate for dietary carbohydrate 
Definition
converted to protein 
Term
where is glucagon produced 
Definition
pancreas
Term
what substance helps suspend fat in a water digestive mixture, making the fat for available to digestive enzymes
Definition
bile
Term
which of the following nutrients provides nitrogen 
Definition
protein 
Term
which hormone decreases liver glycogen stores
Definition
glucagon and epinephrine
Term
simple carbohydrates are not as healthy as complex carbohydrates because.....
Definition
they cause a greater insulin response and have less fiber
Term
without some .........the body cannot burn fat effectively
Definition
carbohydrate
Term
in the fed state what hormone is used? what is the fuel ? what s the fuel source?
Definition

hormone is insulin

fuel is glucose 

source is dietary carbohydrate 

Term
what is optimal blood sugar 
Definition
80-120 mg/dl
Term
if blood sugar is above 140mg/dl your are
Definition
hyperglycemic
Term
for the between meals state what is the hormone? what is the fuel for muscles ? what is the fuel source for muscles
Definition

hormone is glucogon

fuel for muscle is fat

source for muscle is adipose tissue 

Term

where is protein digested?

absorbed?

Definition

stomach and SI 

absorbed in SI 

Term
Digestion 
Definition
the breaking down of food to basic chemical constituents
Term
what are the three building blocks (monosaccharides) that can make up a carb
Definition
glucose(most abundant) galactose(milk sugarnot generally found in nature)and fructose (fruit and honey part of table sugar)
Term
what is a saccharide 
Definition
building blocks of carbs (mono,di,poly)
Term
What is a simple carb
Definition

"sugar"

1-3 saccharides

Term
In the short fast what is hormone used? what is the fuel for brain? what is the fuel source of the brain?
Definition

Hormone is glucogon with lil epinephrine

fuel for brain is glucose 

source for brain is muscle protein 

Term
In short fast state what is the hormone? what is the fuel for the muscles? what is the fuel source for te muscles?
Definition

Hormone is glucogon 

Fuel for muscle fat

source for muscle is adipose tissue

Term
what is insulin
Definition

a hormone

decreases blood glucose 

increases all energy stores

 

tells the body to use glucose for energy and stores calories when insulin is high 

Term
What does tolerable upper intake level(Ul)
Definition
Its the upper safe limit
Term
What are some of the functions of carbs
Definition

energy for all cells

needed for effective fat burn 

spares proteins from energy use

Term
what are discretionary calories
Definition

extra calories from higher caloric choices 

 

Anything but the leanest possible choice is discretionary 

Term
what does high nutrient density mean?
Definition

high in nutrients 

low in calories 

Term
what does low nutrient density mean 
Definition
low in nutrients high in calories 
Term
what does recommended daily allowance mean(RDA)
Definition
Implies optimum for 98percent of the population 
Term
what does esitmated average requirement (ear )
Definition
meets the needs of 50 percent of individuals 
Term
where does 43 percent of our added sugars come from ?
Definition
sodas and furit drinks 
Term
if your blood sugar is below 60mg/dl
Definition
hypoglycemic
Term
when your body tries to break down carbs aerobically , what is the product and how much energy can you get out of it
Definition

product =CO2

95 percent energy 

Term
when your body tries to break down carbs anaerobically what is the product and how much energy do you get out of it
Definition

product =lacticacid 

5% energy 

Term
what are three disaccharides and what makes them up 
Definition
maltose, sucrose, lactose
Term
Brain can only use ......for energy 
Definition
carbs
Term
what types of food have more carbs plant and animal 
Definition
plant
Term
Nutrient 
Definition
Specific substance that must be taken into the body in sufficient quantities to meet the bodies needs
Term
essential nutrient
Definition
the body cant make it or cant make enough of it 
Term
Nonessential nutrient
Definition
your body can make it if raw materials are available 
Term
calories /gram for carbs
Definition
4
Term
cal/gram for protein 
Definition
4
Term
cal/gram for fat
Definition
9
Term
cal/gram for alcohol
Definition
7
Term
what doesnt good source of mean 
Definition
10-19 % of daily value per serving 
Term
what does high in mean
Definition
over 20% of daily value per serving 
Term
absorption 
Definition
transfer of nutrients into small intestinal cells , packaging of nutrients, release into blood or lymph
Term
what is a complex carb
Definition

"starch or amylose " manysaccharides is polysaccharides more than 3 

and fiber

Term
Fiber is a ......but has different.....than startches
Definition
complex carb has different bonding 
Term
Bile 
Definition

essential for fat digestion but not an enzyme 

made by liver, stored by gall bladder

Term
the only fuel we can use anaerobically is 
Definition
glucose
Term
what is epinephrine 
Definition

made in adrenal gland 

increases blood glucose 

decreases all energy sources 

Term
three energy sources
Definition
liver glycogen , muscle glycogen, adipose fat tissue
Term

where is fat digested?

 

absorbed?

Definition

SI 

 

SI 

Term
glycogen 
Definition
stored form of glucose in animals
Term
what does adequate intake mean (AI)
Definition
its the safe adequate level dont know if it is optimal or not 
Term
what is glucagon
Definition

made in pancreas

 

increases blood glucose 

decreases adipose fat and liver glcogen 

Term
what are the 4 sources of blood glucose 
Definition

deitary carbs

liver glycogen 

lactic acid

breakdown muscle protein 

Term
where are carbs digested ? absorbed?
Definition

mouth & SI 

absorbed SI 

Term
what 3 things can your body do with carbs
Definition

store as gycogen 

use as energy 

put into fat stores 

Term
In the between meals state what it the hormone ? what is the fuel for the brain ? what is the fuel source for the brain ?
Definition

hormone is glucagon

fuel is glucose

source is liver glycogen 

Term
what are the three places to tore carbs
Definition
liver glycogen, muscle gycogen, adipose fat tissue 
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