An athlete is in the early weeks of an aerobic training program and develops a decrease in hemoglobin concentration not associated with undue fatigue. Which statement is true?
a. Decreased hemoglobin concentrations are never a cause for concern.
b. The athlete has an iron deficiency
c. The athlete is experiencing low blood volume.
d. Taking a vitamin mineral supplement is necessary to correct the issue.
e. The athlete probably has a condition called sports anemia.
e
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Which substance is banned in many sports?
A) creatine B) caffeine C) omega-3 fatty acids D) ephedrine
A nursing mother needs at least _____ a day to receive all the nutrients required for successful lactation.
a. 1200 kcal b. 1400 kcal c. 1800 kcal d. 2000 kcal e. 2400 kcal
Which of the following is not a reason for turkey eggs being typically more expensive than chicken eggs?
A. Chickens generally lay an egg a day, while turkeys lay 1 egg every 3 days. B. Turkeys are 10 weeks older than chickens when they can begin laying eggs. C. Chickens weigh less and eat less than turkeys. D. Chicken eggs last longer and are heartier than turkey eggs so they can stay on a shelf longer.
The time it takes to regenerate one inch of nutrient-rich topsoil is approximately
A) 100 years. B) 50 years. C) 500 years. D) one year.