The flexibility required for movement of the RBC through the vessels is largely determined by:
a. the amount of hemoglobin in the cell.
b. the maturity of the RBC.
c. the size of the cell's nucleus.
d. the fatty acid content of the cell's membrane.
d
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Answer the following questions true (T) or false (F)
1. Fatty foods are usually energy-dense because 1 gram of fat provides more than twice as many calories as one gram of protein or fat. 2. Teaching consumers how to interpret the Nutrition Facts panel on a food label would be helpful to them on their next supermarket visit. 3. Chocolates, chips, and candy are beneficial because they are energy-dense, they are very good bargains, and they are inexpensive.
Antioxidants like vitamins C and E ________ the oxidation process by bonding with the free radicals by preventing oxygen from attacking the double bonds
A) have no effect on B) hinder C) rancidize D) promote
Which of the following describes an association between protein intake and kidney function?
a. Low-protein diets increase the risk for kidney stone formation b. Restricting protein intake may slow the progression of kidney disease c. High protein intakes over the long term represent a risk factor for kidney disease d. Liberal protein intakes result in high urea production, which increases the long-term efficiency of the kidneys
In addition to gender and body weight, which factor can influence calorie needs?
A) Exercise B) Eating on a regular schedule C) Height D) Muscle mass E) All of the above