Chpt 1+2 Flashcards
Which of the following statements describe vitamins?
Vitamins are essential nutrients.
A healthy child of 7 years is eating a balanced diet that includes adequate amounts of essential nutrients. It supplies 12 grams of nitrogen per day. How much nitrogen is she excreting per day?
Less than 12 grams. (Growing child so she needs to keep some in.)
Negative nitrogen balance
Can result when the diet is deficient in protein.
Positive nitrogen balance
Pregnancy, build up of protein.
A man of 100kg wants to lose weight. He starts a program, doesn’t want to change his diet. He eats an additional 90kcal per day. How much will he lose in 30 days?
90*30=2700
2700/9=300
9kcal (fat)
A female student is maintaining a constant weight of 62 kg by eating a diet that supplies 2000 kcal/day. Approxamatily how much of her energy is devoted to BMR?
67%
We use macronutrient conversion factors used to calculate energy intakes. For carbohydrate, fat, protein, these are:
4,9,4
Fats 9
Carbs 4
Alcohol 7
Protein 4
What essential nutrient is given to chronic alcoholics intravenously in the event the patient requires emergency medical care due to malnutrition?
Thiamine
Solutions to be infused for total parental nutrition (TPN) contain:
Fats and glucose.
In what way does a solution for total parental nutrition (TPN) differ from one for basic-gastric feeding.
TPN solutions contain amino acids, Naso gastric solutions contain proteins.
Certain amino acids are nutritionally essential, and so our vitamins. In what way(s) do they differ?
Amino acids are chemically similar, to each other. The vitamins are chemically diverse.
The daily requirement for amino acids is in the order of grams, the requirement for vitamins is milligrams or less.