The activity that requires the greater amount of energy expended is ____
A) ?cross-country skiing at 8 mph
B) ?vigorous, full-court basketball
C) ?vigorous soccer
D) ?running at 9 mph
A
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The formation of free radicals or reactive oxygen species (ROS) is related to:
a. the amount of antioxidants circulating in the blood. b. the amount of antioxidants consumed as supplements. c. exercise intensity and duration. d. lack of cardiovascular fitness.
Which of the following minerals accumulates in abnormal deposits called Kayser-Fleischer rings?
A. Iron B. Copper C. Potassium D. Fluoride
Which monosaccharide is the preferred source of energy for the brain?
A) glycogen B) fructose C) glucose D) galactose
What is a "limiting" amino acid in a protein?
a. A nonessential amino acid present in high amounts, which inhibits protein synthesis b. An amino acid of the wrong structure to be utilized for protein synthesis efficiently c. An essential amino acid present in insufficient quantity for body protein synthesis to take place d. An amino acid that limits the absorption of other essential amino acids by competing with them for transport sites within the GI tract