Sports Nutrition 4-6
In the recommendations for a healthy diet from the National Academy of Sciences, what is the Acceptable Macronutrient Distribution Range for protein as a % of daily energy intake in kcal?
10-35%
If a 2,000 kcal diet contains 100 grams of fat, the % of fat kcal in the diet is which of the following?
45%
The total amount of carbohydrate, as a percentage of the daily kcal. that represents the AMDR for Americans and Canadians is
45-65
If an adult weighed 176 pounds, the RDA for protein would be what, in grams?
64
Which of the following statements relative to protein metabolism is false?
Essential amino acids can be formed in the liver from carbohydrate and nitrogen from non essential amino acids
Which of the following dietary supplements has been proven to increase fat utilization during exercise, store muscle glycogen, and enhance endurance exercise performance?
NOT carnitine conjugated linoleum acid omega-3 fatty acids medium-chain triglycerides hydroxycitrate
Which of the following statements relative to protein and exercise is false?
Research has shown that individuals who are training to gain weight need about 6 to 8 grams of protein per kilogram body weight
Which of the following is most conductive to the development of atherosclerosis?
a low-density lipoprotein cholesterol of 170 milligrams
Which is most likely to be complete, high-quality protein food?
cheddar cheese
A high-quality protein is best described as one that ___________
contains all of the essential amino acids in the proper amounts and ratio
Which of the following food groups is least likely to be high in dietary fiber?
dairy
What compound in the diet cannot be used to form fat if it is consumed in excess?
fat complex carbohydrate simple carbohydrate protein alcohol
Fats may be significant source of energy during exercise of low intensity and long duration. What is the main form of fats used for energy production during low-intensity exercise?
free fatty acids from the adipose cells and muscle cells
Research has suggested that creatine supplementation may enhance performance in which of the following types of physical performance tasks?
high-intensity exercise lasting 6-30 seconds
Following a meal high in simple carbohydrate, which of the following is most likely to occur in the next 1-2 hours?
hyperglycemia, which stimulates insulin secretion and a return to normal blood glucose levels.
Which of the following statements relative to the intake of carbohydrates and physical performance is false?
if consumed during exercise, it takes approximately 60-90 minutes for the carbohydrate to find its way into the muscle and be used as an energy source.
Which of the following is not one of the potential health benefits of dietary fiber?
it may bind with certain minerals such as zinc and help to excrete them.
Supplementation with some amino acids has been theorized to decrease the formation of serotonin in the brain and possibly help delay the onset of central nervous system fatigue in prolonged aerobic endurance exercise. Which amino acids are theorized to do this?
leucine, isoleucine, and valine
Which essential fatty acids are needed in the diet?
linoleum and alpha-linolenic
What two tissues in the body store the most carbohydrates?
liver and muscles
Aerobic endurance exercise may have some beneficial effects on the serum lipid profile and help to prevent coronary heart disease (CHD). In particular, what aspects of the serum lipid profile are improved from exercise to help reduce risk of CHD?
lower triglycerides and increase HDL-cholesterol
Which of the following has least amount of dietary protein?
one orange
Which of the following statements involving the interaction of protein and exercise training is false?
research has shown conclusively that all amino acid supplements and other protein supplements will enhance performance in sports.
Which lipid dietary component appears to be most likely to cause an increase in serum cholesterol and the development of atherosclerosis?
saturated fats
Which of the following statements relative to fats is false?
saturated fats appear to help lower blood cholesterol levels
Common table sugar is
sucrose
The glycemic index represents
the effect a particular food has on the rate and amount of increase in the blood glucose level
Which of the following statements relative to carbohydrate loading is false?
the major advantage of carbohydrate loading is the increased storage of glycogen in the adipose cells for use during exercise
If you were to recommend to a runner a fluid replacement protocol, including carbohydrate content, for use during a marathon, which of the following would you not recommend?
use a 50-60% solution of galactose?
Which of the following is not good advice in attempts to reduce serum cholesterol?
use butter instead of soft tub, non-trans fatty acid margarine