The "set point" theory suggests that each individual has a biologically predetermined weight range that the body strives to maintain through regulating metabolism and appetite.

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The question presents a statement about the set point theory and asks whether it is true or false.
Option 1: True. This statement aligns with the core idea of the set point theory, which posits that individuals have a biologically predetermined weight range that the body tends to maintain. Proponents argue that mechanisms like metabolic rate, appetite signals, and hormonal regulation work together to defend a baseline weight, making deviations from that range countered by compensatory changes in energy intake and expenditure.
Option 2: False. Claiming that the set point theory is not valid would ignore the explanatory framework that has been used to describe why people often return to a similar weight after dieting or fluctuations. However, note that in contemporary discussions, the theory is debated and not universally accepted in its strict form; critics point to variability in weight across environments and genetics, suggesting that weight regulation may be more plastic than a fixed set point. Still, the statement as given asserts a predetermined weight range and regulatory mechanism, which is precisely what the theory describes, making this option incorrect.
Option 2 continued: Critics also argue that body weight can be influenced by multiple, interacting factors such as environment, behavior, and social context, which may challenge the notion of a rigid biologically fixed set point, but this does not inherently disprove the basic premise that there is a defended weight range mediated by metabolism and appetite. In test terms, this option represents a refutation rather than a direct contradiction of the core concept.
Overall, selecting the False option would require rejecting a foundational claim of the set point framework; since the statement accurately captures the theory’s central claim, the True option is the appropriate interpretation, while the False option reflects common criticisms and complexities surrounding the concept.

2025SP-HES-145-002 Quiz 8 - Weight Management

The "set point" theory suggests that each individual has a biologically predetermined weight range that the body strives to maintain through regulating metabolism and appetite.

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