When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain (a region called the hypothalamus). The brain responds by releasing hormones tostimulate the production and the ejection of milk from the breast. This helps the newborn to receive nourishment and encourages more suckling. This example is best described as a________.

Question

Quizplus · Accepted Answer

This example is best described as positive feedback because it amplifies or reinforces the stimulus (suckling) rather than opposing it (which would be negative feedback). As more the baby suckles, more milk is produced and released, which further encourages the baby to suckle, creating a feedback loop. This process does not involve a restoration of a set internal condition (homeostasis), so options A, B, and D are not correct.

When a Baby Suckles at Its Mother's Breast the Stimulus