What is a feature of ghrelin??
A) ?It is a metabolic antagonist of leptin.
B) ?It stimulates appetite and energy storage.
C) ?It allows blood levels in the fasting state to correlate directly with body weight.
D) ?It is released in high amounts from adipocytes during periods of excess energy intake.
B
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For an individual who is participating in a 45-minute walk, how essential is this beverage? a. It is needed to replace the glucose that has been depleted
b. The potassium in the beverage is needed to quickly replace lost potassium. c. It may help to replace fluid losses from sweat. d. The iron is essential to replace losses from the exercise. e. The vitamin C contributes to post-exercise recovery.
Why is caffeine added to ephedrine-containing compounds?
A) It enhances the effectiveness of ephedrine as a weight-loss agent. B) It reduces the side effects associated with ephedrine. C) It helps make ephedrine a more stable compound. D) It helps to reduce the potential for addiction.
Which of the following is an example of norovirus infection?
A) Savio suffers from abdominal discomfort and diarrhea two weeks after ingestion of contaminated food. B) André suffers from nausea, vomiting, and abdominal cramping two days after ingestion of contaminated food. C) Julia is diagnosed with liver damage and cancer eight months after ingestion of contaminated food. D) Victoria suffers from paralysis 36 hours after ingestion of contaminated food.
As calcitriol, vitamin D functions in calcium and bone metabolism by
A. regulating the levels of calcium and phosphorus in bones. B. regulating calcium and phosphorus absorption through the intestinal wall. C. reducing calcium excretion by the kidney. D. All of these choices are accurate.