Brittany and Richard have noticed that their friend Mandy has lost a significant amount of weight from the fall to the spring semester. People are starting to comment on how thin she looks. Brittany has noticed that Mandy is only eating an orange for breakfast, a small bowl of salad with no salad dressing and a small piece of grilled chicken for lunch, and a cup of plain yogurt for dinner
Richard has been going to the gym with Mandy most days of the week. He enjoys lifting free weights, and Mandy usually runs on the treadmill for 45 minutes and then does 15 minutes of core exercises. In addition Mandy has shared with Brittany that she has not had her menstrual period for 4 months. Mandy has also expressed that she is frustrated because people are making comments about how thin she looks and consequently has not gone to as many parties or social gatherings because she feels so uncomfortable. Last week Mandy hurt her leg while running. The doctor feels strongly that Mandy has a stress fracture. Why might Mandy be prone to stress fractures?
A) Because she has been running for her primary source of exercise
B) Because she has likely developed the female athlete triad
C) Because she twisted her ankle
D) Because she has likely developed pica
B
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________________ is a condition in which bone mineral density is reduced by 1-2.5 standard deviations below average bone density for a healthy adult
a. Hypoglycemia b. Osteoporosis c. Osteopenia d. Skeletal Myopathy
Lina is no longer anemic but would like to avoid becoming so in the future. What should she do?
a. Purchase an iron supplement. b. Purchase a multivitamin. c. Include fortified grain products and meat in her diet. d. Exercise regularly. e. Reduce her sodium intake to less than 2,300 mg per day.
How does leptin participate in body weight regulation?
A. Leptin directly instructs adipose tissue to undergo hypertrophic growth during times of high energy intake. B. Leptin signals the release of neurotransmitters that promote satiety and energy expenditure. C. Increased leptin levels result in positive energy balance. D. Leptin directly instructs muscle tissue to expend less energy.
What would you recommend to someone who wants to make sure her intake is close to the RDA for all vitamins? a. Eat selected fruits and vegetables in very large quantities. b. Eat a variety of all food groups daily
c. Eat a lot of chicken and meat. d. Eat legumes three times per week. e. Take a high-potency vitamin supplement twice daily.