Water formed during oxidative metabolism accounts for what percentage of the water the body needs each day?
A) more than 30% B) 20-25% C) 10-14% D) 0-5%
C
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Which of the following foods provides iron in the most absorbable form?
a. Rice b. Spinach c. Chicken d. Orange juice e. Watermelon
Zelda is a marathon runner. She completes the marathon in 2 hours and 30 minutes. Which of the following is true regarding her fuel use during the marathon?
A. If she runs out of muscle glycogen at the 2-hour mark, she will not feel fatigue. B. Amino acids may supply up to 10% of energy needs. C. Anaerobic glucose breakdown, using muscle glycogen, will provide most of the ATP for the marathon. D. Liver glycogen is the preferred fuel during intense muscular activity lasting less than 2 hours.
The failure of the body to repair damaged DNA leads to the step in cancer development called:
1.initiation. 2.metastasis. 3.progression. 4.promotion.
Foods such as popcorn, grapes, and hot dog pieces should be avoided by infants because they _____
a. are potential choking hazards b. may cause botulism c. are common sources of food-borne illness d. promote tooth decay e. provide empty calories