24. Nutrition, Metabolism, Energy Balance

Essential nutrients refer to nutrients that are __________.

Amino acids are essential (and important) to the body for all the following except a. production of some hormones, b. production of antibodies, c. formation of most structural materials, d. as a source of quick energy.

Which of the following yields the greatest caloric value per gram? a. fats, b. proteins, c. carbohydrates, d. all are equal in caloric value.

List some factors that influence plasma cholesterol levels. Also list the sources and fates of cholesterol in the body.

While attempting to sail solo from Los Angeles to Tahiti, Seth encountered a storm that marooned him on an uninhabited island. He was able, using his ingenuity and a pocket knife, to obtain plenty of fish to eat, and roots were plentiful. However, the island was barren of fruits and soon his gums began to bleed and he started to develop several infections. Analyze his problem.

Gregor, a large, beefy man, came home from the doctor's office and complained to his wife that his blood tests 'were bad.' He told her that the doctor said he would have to give up some of his steaks and butter. He went on to mourn the fact that he would have to start eating more cottage cheese and olive oil instead. What kind of problem was revealed by his 'bad' blood tests? What do you think of his choice of food substitutes and why? What would you suggest?

Nutritionally incomplete proteins are low in __________.

Prolonged high protein intake can lead to __________.

A person who is starving is likely to exhibit __________.

Fat-soluble vitamins can be toxic if consumed in large quantities.

Most vitamins __________.

One function of vitamin A is to __________.

Which of the following substances is considered a provitamin?

Which of the following fat-soluble vitamins is NOT stored in the body?

Which of the following is a micronutrient?

Which element below is considered a trace mineral?