An increase in blood sugar level triggers the release of the hormone insulin b the pancreas, the hormone insulin lowers blood sugar level restoring the body to its original blood glucose level by converting glucose to glycogen. This is an example of:
Correct answer: B. Negative feedback
- A. Positive feedback
- B. Negative feedback
- C. Homeostatic imbalance
- D. None of these
Explanation
Negative feedback is a regulatory mechanism in biological systems that works to maintain stability and prevent excessive fluctuations. In negative feedback, the response to a stimulus results in a counteraction that opposes the initial change, thereby maintaining a relatively constant or homeostatic state. It helps to regulate various physiological processes, such as temperature, blood pressure, and hormone levels.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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