Sports drinks erode tooth enamel because they contain sugar and ________.
a. are acidic
b. have a high pH
c. resist starch
d. offer insufficient fluoride
e. an organic base
Answer: A
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Cody and Cassy are friends who enjoy working out together. They enjoy going on hikes, running, and biking. During their last adventure they traveled to the Rocky Mountains for a two-day hiking trip. During the first day of their journey Cody made sure to keep drinking water and refueling with health snacks throughout the day. Cassy, who was less diligent in drinking and refueling, had to slow
down the hiking pace and got a severe muscle cramp in her calf shortly before they made it to camp. After a little break she and Cody were able to make it to camp. That night Cody and Cassy ate well and relaxed. After dinner Cody drank three beers by the campfire before going to sleep. After a good night's rest and a healthy breakfast of fruit, peanut butter sandwiches, and coffee they set out on their second day of hiking. In an attempt to avoid the fatigue and muscle cramps she experienced during day one of the hike, Cassy made sure to drink water every 10-15 minutes. Cody was confident that he would be able to stay hydrated and fueled based on his success from day one. However, he noticed that he was extremely thirsty early in the hike and had to drink more water than he did on day one. Several hours into the hike Cassy started to feel a headache coming on so she increased her water intake. A short while later she had to stop hiking because she became confused, felt nauseated, and began to vomit. Cody called the park rangers to get her medical attention. Which of the following conditions increased the water needed by Cody during the two-day hike? A) The physical activity of hiking B) The higher altitude C) Alcohol consumption D) All of the above
Which of the following conditions is a common nutrition-related sign of early pregnancy that occurs in many healthy pregnant women?
A. Mild nausea and vomiting B. Eclampsia C. Iron-deficiency anemia D. Gestational hypertension
Your roommate tells you he wants to put on more muscle mass. He plans to do this by adding in strength-training exercises and protein shakes to his diet. What advice could you offer him?
A. Intakes of up to 1.7 g/kg are acceptable during muscle mass gain, but going over this amount can lead to dehydration and insufficient carbohydrate intake. B. Higher amounts of protein will add muscle mass faster, so add in as much as you possibly can. C. Going over 0.8 g/kg will have no benefit for muscle building during the training period. D. Try to stay as low as possible in your intake as proteins have no benefit for muscle mass gain or energy usage.
All of the following are characteristics of diets of adults with low disease rates and longer lives EXCEPT:
1.regular consumption of fruits and vegetables. 2.average intake of whole-grain products. 3.lower consumption of saturated fats. 4.alcohol in moderation.