igor999
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A patient has a lunch consisting of 3 eggs, a 5 oz steak, white bread with butter, orange juice and milk. Which of the following nutrients are lacking in their lunch?
A) Niacin
B) Calcium
C) Iron
D) Folic Acid
E) Vitamin C
Right off the bat, we know B and E are eliminated. Milk is deficient in Iron and Niacin, that much I know.
Hmmm....
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| hope4dabest
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Milk is not deficient in iron. ..so the answer is niacin
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| edie
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D. Folic acid, found in leafy greens. Niacin is in both milk and eggs.
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| hope4dabest
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Milk is composed principally of 80% water, proteins, lactose, enzymes, fat, vitamins, minerals and mineral salts.
The proteins are: casein, globulin and albumin.
Lactose which is a sugar combination of glucose and galactose.
The enzymes are: phosphatase, catalase, xantinoxidase, reductase, peroxidase y lipase.
Fats are very variable depending on the type of milk consumed as we shall see below.
Among the vitamins found in milk are: vitamin A, vitamin D, vitamin B1 and vitamin B2.
The minerals are calcium, sodium, potassium, magnesium and iron.
The mineral salts are: nitrates, sulfates, carbonates and phosphates.
The composition of the milk is influenced by race, age, nutrition, the milking method and the cow's health.
Source---http://www.obesidad.net/english2002/default.htm
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| edie
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A follow up to the question: Why must folic acid be supplemented in women prior to becoming pregnant?
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| hope4dabest
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though m not sure...
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| hope4dabest
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for the fear of nural tube defects in new born so folic acid provided
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| keepgoing
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i think folic acid..no green vegitables niacin-->steak,orange-->vit c,bread-->carbohydrates(sugar),eggs-->protein(energy),milk-->calci um
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| hope4dabest
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huh..yep i guess so..its folic acid...didnt know niacin in steak
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| keepgoing
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edie wrote:
A follow up to the question: Why must folic acid be supplemented in women prior to becoming pregnant?
yes neural tube defect.
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| keepgoing
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hope4dabest wrote:
huh..yep i guess so..its folic acid...didnt know niacin in steak
meat is major source of niacin
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| edie
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Yes, give folic acid to prevent neural tube defects. And yes, niacin is found in meats. As well as milk and eggs 
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| edie
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Since we are on niacin, which amino acid is a precursor for it?
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| hope4dabest
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got it
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| hope4dabest
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tryptophan
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| edie
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Yes, Hope, it's tryptophan
What would you expect to find in a patient with a tryptophan or niacin deficiency?
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| hope4dabest
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pellagra...3 D's..diarrhoea, dermatitis, dementia and if not treated...death
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| hope4dabest
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ok tell me Vit B12 , Vit B1 and biotin dependent important enzymes
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| keepgoing
Forum Guru
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carboxy--ABC-->atp,biotin,and co2
PDH-->B1
B12-->SAM??
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| edie
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hope4dabest wrote:
pellagra...3 D's..diarrhoea, dermatitis, dementia and if not treated...death
Correct!
For your q, are you asking about cofactors?
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| edie
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Keepgoing got it
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| keepgoing
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what is teh role of photothreapy for jaundice in newborn??
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| edie
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Has something to do with light aiding in the metabolism so baby can pee it out? I forget...
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| keepgoing
Forum Guru
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yep..its converts bilirubin -->non toxic,water soluble-->so gets excreted via pee 
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| edie
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Gracias, KG. Now another folic acid q: Your pt has megaloblastic anemia. How do you find out if it is due to lack of B12 or lack of folate?
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