Yvonna has noticed that every spring and summer she tends to lose around 5 to 10 pounds and every winter she gains around 5 to 10 pounds.That being said,it doesn't seem to matter what she does,she always manages to stay around the same weight other than these fluctuations.In this example,which of the following concepts offers the best explanation?
A)Glucostatic theory
B)Leptin deficiency
C)Internal-external theory
D)Set point

Question

Quizplus · Accepted Answer

The concept of set point best explains why Yvonna tends to stay around the same weight despite seasonal fluctuations. Set point theory suggests that the body has a preferred weight range that it strives to maintain, and will adjust metabolism and hunger cues to keep within that range. Yvonna's seasonal weight fluctuations could be due to changes in activity level or diet, but her body adjusts to maintain her set point weight in the long-term.

Yvonna Has Noticed That Every Spring and Summer She Tends