[Campbell Biology P.966] Which of the following statements about obesity or appetite-regulat... | Practice Question

Which of the following statements about obesity or appetite-regulating hormones is TRUE according to the text?

  • A: Obesity is estimated to be a factor in 30,000 deaths per year in the United States.
  • B: Ghrelin is produced by adipose tissue and suppresses appetite.
  • C: The hormone PYY is an appetite stimulant that counters ghrelin.
  • D: Leptin levels fall when the amount of body fat decreases, leading to increased appetite.

Explanation

The text states: "Produced by adipose fat tissue, leptin suppresses appetite. When the amount of body fat decreases, leptin levels fall, and appetite increases."