Yesterday, Jenny ran in a marathon race. While she ran, she drank several large cups of water at water stations along the race course. Near the end of the race, she experienced difficulty making it to the finish line. She was confused, and she complained of feeling sleepy and having nausea. Based on this information, Jenny was probably suffering from ________.
A. kidney failure
B. heat cramps
C. brain cancer
D. water intoxication
Answer: D
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Villi are located in the
A) small intestine. B) rectum. C) mouth. D) chyme.
What is the most common reason that vitamin B12 deficiency, or at least compromised B12 status, occurs in older adults? a. Diets are frequently low in vitamin B12, since oral problems and financial difficulties limit meat intake and meats are the best dietary sources of B12. b. Pernicious anemia is common in the elderly
c. Their diets provide primarily synthetic forms of vitamin B12, which are less absorbable than the protein-bound form found naturally in foods. d. The elderly have a higher incidence of bacterial overgrowth, which decreases secretion of hydrochloric acid. e. B12 supplements are expensive and many older adults cannot afford them.
Bob is committed to losing weight but knows little about nutrition. He has heard his friends discussing types of fat, such as saturated and unsaturated, but has no idea what the terms mean or how they relate to his health and diet. He also has read that the most important improvement a person can make in his or her diet is to eat less cholesterol. Let's answer these questions and help Bob
understand this topic better. What characterizes saturated fats? a. They are liquid at room temperature. b. They are carrying the maximum possible number of hydrogens. c. They function as emulsifiers in the small intestine. d. They provide 4 calories per gram.
Ruth is an 85-year-old who is currently living alone. Her husband has recently moved to a retirement facility where he receives supervised medical care. Ruth has routinely prepared their daily meals for the past 65 years and now finds herself eating very little because she doesn't feel like cooking for herself. Although she is in good health she has been occasionally hospitalized the past few
years for dizziness that turned out to be caused by dehydration. Ruth also used to make weekly trips to the supermarket and tend to the garden, but now with her husband in the retirement home she is getting less physical activity. Ruth has never had to really think about her personal nutrition because she was used to providing balanced meals for her family. She has also never had to think about exercising because until recently she has always led an active lifestyle. However, she now feels that she must make an effort to learn more about what she can do to maintain her health and nutrition. Answer the following question(s) to help Ruth get started in the right direction. Which type of meal should Ruth have to increase her EPA and DHA omega-3 fatty acids? A) Roast beef with mashed potatoes B) Grilled cheese and tomato soup C) Tuna salad sandwich D) Grilled chicken