Which of the following statements is true of proteins?
A. Proteins provide two calories per gram.
B. Proteins obtained from food sources such as milk, cheese, and meat are considered low-quality proteins.
C. All plant sources of protein provide all the nine essential amino acids required by the body.
D. Proteins help build and maintain muscles, bones, enzymes, and red blood cells.
E. Proteins are made up of various types of triglycerides.
Answer: D
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Which nutrients does your body prefer to use for energy during physical activity?
A. fat and carbohydrate B. protein and fat C. carbohydrate and vitamins D. vitamins and protein
While on a hike with your friends you become lost and have to spend the night outdoors. You did not pack more than water and a protein bar, which you have already consumed. What will happen to your blood glucose level throughout the night?
A.) Glucagon will signal the start of gluconeogenesis, which will lead to protein breakdown as a source of energy. B.) Your body will compensate by releasing insulin from the pancreas to provide a steady amount of energy. C.) You will start to burn fat, which will result in ketone bodies, which will raise your body pH to dangerous levels. D.) Your body will down-regulate your metabolism to compensate for the loss of energy and food.
The mechanism in which carotenoids in the diet may help to protect the eyes is by inhibiting oxidative damage that contributes to age-related blindness,
a. true b. false
What energy needs equation is commonly used to determine the caloric needs of cancer patients?
a. Harris-Benedict equation b. WHO equation c. Mifflin-St. Jeor equation d. Institute of Medicine equation e. Schofield equation