An athlete completed a two-hour race 4 hours ago and has been sipping on water since the event ended. When she goes to the bathroom, she notices that her urine is dark in color. This is most likely a sign of
A. blood in the urine.
B. inadequate hydration.
C. her vitamin and mineral supplement.
D. food coloring in the foods she consumed after the race.
B
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Persistent organic pollutants are
A. also known as food residues. B. chemicals that are released as a result of human activity into the environment and emit ionizing radiation as they decompose. C. harmful, highly stable chemicals that are released as a result of human activity into the environment. D. a family of chemicals used to decrease crop destruction and losses.
Zinc can induce the synthesis of metallothionein, which
A. is a zinc-containing enzyme in the antioxidant defense network. B. can hinder the absorption of zinc from the intestinal cell. C. is the primary protein carrier of zinc in the blood. D. is the storage form of zinc in the liver.
Curtis is writing a paper for his nutrition class and is using the Internet as a resource. Describe what he should consider when deciding whether a site is reliable or not
What will be an ideal response?
In which type of emulsion are the oil droplets dispersed throughout the water?
A. emulsion B. surfactant C. lipid emulsion D. water-in-oil emulsion