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Old 12-16-2004, 03:41 AM   #1
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Somewhat unusual nurtrition question

Well I have my nutrition final tommorow and a couple of the practice problems provided are giving my grief, I was wondering if any of the folks here could give me any guidance or hints?

It is legal in the United States to directly and intentionally add to food, certain substances that:
a. Make some humans ill
b. inhibit mold and fungus
c. Make some food look and taste better
d. B, C
e. A,B,C
I know B and C are correct but I am not sure about A. I am guessing A is also correct because certain things, like artificial sweetners, do make some people sick but at the same time it seems like federal law wouldnt allow additives that are known to make people sick.

The primary function of food fat in the human is:
a. provides energy
b. regulates body processes
c. provides body tissue structure
I believe that answer is B, because carbohydrates are supposed to provide energy and I think C is related to protien. But I know fat is also used to provide energy so I am a bit confused.

Any ideas on these two questions? Any help would be greatly appreciated

 
Old 12-16-2004, 04:54 AM   #2
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Re: Somewhat unusual nurtrition question

First Question: e
Reason, because the word "some" is dodgey. So aspartame is added to food although it's clear that SOME people cannot hande phenylalanine (phenylketoneurics); sulfites are added to MANY foods (wines, for example) although severe reactions occur to those sensitive to it; same with nitrates/nitrites. I get murderous migraines from cocoa, so I avoid it while others LOVE it.
And the list goes on and on. It's most nepharious when the additives provide only color or flavor AND CANCER (like most of the FDA approved food colors of the past.)

Second Question: b
Fat provides energy. A very few grams of certain polyunsaturates are needed to provide Omega-3's, linoleic and linolenic acids but most of the 100 or so grams in the average American diet are burned as fuel or stored as blubber.

Last edited by Lenin; 12-16-2004 at 04:57 AM.

 
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