Macronutrients I Flashcards
What macronutrient has the lowest energy density, i.e. usable energy released per gram metabolized?
- alcohol
- carbohydrate
- polyunsaturated fat
- protein
- saturated fat
protein
Which one of the following is not a beneficial effect of dietary fiber?
A) absorption of fecal fats and sterols such as bile salts
B) increased rate of gastric emptrying and intestinal absorption of sugars
C) lowering of serum cholesterol by approximately 5%
D) maintaing the health of colonocytes
E) retention of water and increasing fecal bulk
B) increased rate of gastric emptrying and intestinal absorption of sugars
Which of the following statements is not true?
A) A moderate inverse relationship exists between vegetable and fruit consumption with myocardial infarction and stroke.
B) Alcohol is not considered a carbohydrate and hence intake does not add to overall caloric intake to any appreciable extent.
C) Dietary fiber from whole foods appears to enhance sstiety in studies.
D) Dietary fiber from whole foods protects against cardiovascular disease, obesity, and type II disabetes.
E) When selecting carbohydrate foods, there is no need for concern with their glycemic index or glycemic load. What is important to head is their calories, caloric density, and fiber content.
B) Alcohol is not considered a carbohydrate and hence intake does not add to overall caloric intake to any appreciable extent.
How many KCal/g for each macronutrient: carbohydrate, proteins, fat, alcohol?
Human dietary requirements include:
A) cysteine
B) cytosine or uracil
C) linoleic acid
D) glutamic acid
E) tyrosine
C) linoleic acid
The diet must provide:
A. lecithim
B. sphingomyelin
C. cerebrosides
D. linoleic acid
E. phosphatidic acid
D. linoleic acid
Essential fatty acids and precursors of prostaglandins include:
A. palmitic acid
B. lignoceric acid
C. linolenic acid
D. oleic acid
E. myristic acid
C. linolemic acid
