Which of the following statements is true?
A. Most of the water that enters the digestive tract is excreted in feces.
B. In general, fruits and vegetables are less than 25% water by weight.
C. Water and beverages comprise 100% of a person's total water intake.
D. Cells produce water as a by-product of metabolism.
Answer: D
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A primary function of the mucus in the stomach is to
A. neutralize stomach acid. B. activate pepsinogen to form pepsin. C. protect the stomach lining. D. emulsify fats.
What problem does the B vitamin folate help fight?
A. anemia B. muscle degeneration C. weight gain D. birth defects
With gastric banding, the ________
a. risk of malabsorption is increased b. transit through the duodenum is eliminated c. transit through the jejunum is sharply restricted d. the size of the stomach pouch opening can be adjusted e. outcomes are more reliable, durable,, and effective
Training leads to all of the following physiological effects which benefit performance EXCEPT:
1.blood vessel expansion. 2.greater use of fatty acids by increasing mitochondria. 3.higher muscle tolerance of lactate. 4.lower stores of glycogen.