Which of the Following Is an Example of Negative Feedback

question 42

Multiple Choice

Which of the following is an example of negative feedback?

• A) An increase in normal body temperature triggers heat loss through enhanced blood flow to the skin and increased sweating.
• B) An increase in ambient room temperature triggers the thermostat to turn on the heater.
• C) A severe cut triggers accelerated blood clotting until the bleeding stops.
• D) Increased blood sugar stimulates the release of a hormone from the pancreas that stimulates the liver to release blood sugar.
• E) An increase in body temperature triggers a neural response that initiates physiological changes to increase body temperature.

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Definitions:

Malthusian Trap

A theory suggesting that population growth tends to outpace agricultural production, leading to periodic starvation, poverty, and population decline.

Poor

Describes individuals or groups who lack financial resources or essentials for a minimum standard of living.

Food

Any nutritious substance that people or animals eat or drink or that plants absorb in order to maintain life and growth.

Total Fertility Rate

The average number of children that would be born to a woman over her lifetime, assuming no female mortality at childbearing ages and the age-specific fertility rates of a given year.