The source of fuel used first by the body when a person begins exercising is
A. ATP and creatine phosphate
B. fatty acids
C. glucose
D. stored glycogen
Ans: A. ATP and creatine phosphate
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A molecule that protects cells by preventing oxidation is known as a(n) ________
A) micronutrient B) lipid C) free radical D) antioxidant
Which organ of the GI tract has villi?
a. esophagus b. small intestine c. large intestine d. small and large intestines
Fruit juices should be limited to four to six ounces per day for all the following reasons except:
a. fruit juice should be offered in a bottle. b. fruit juices are not nutrient dense and may displace other foods. c. no fruit juice should be offered before at least six months of age. d. excess fruit juices can lead to diarrhea in infants and young children.
Hormones are secreted and released into the blood by _____
a. antigens b. enzymes c. glands d. antibodies e. the brain