Which of the Following Is an Example of Negative Feedback

question 24

Multiple Choice

Which of the following is an example of negative feedback?

• A) A stressful stimulus leads to the release of epinephrine, which increases fatty acid and glucose in the blood and cardiovascular activity.
• B) When the level of glucose in the blood increases, the pancreas produces and releases the hormone insulin. Insulin acts to decrease blood glucose. As blood glucose decreases, the rate of production and release of insulin decreases.
• C) During birthing contractions, oxytocin is released and acts to stimulate further contractions.
• D) When a baby is nursing, suckling leads to the production of more milk and a subsequent increase in the secretion of prolactin.

---

Definitions:

Lymphatic Capillaries

Tiny, thin-walled vessels located in the spaces between cells throughout the body, involved in the absorption of fluid and its movement through the lymphatic system.

Basement Membrane

A thin, dense layer of extracellular matrix that separates epithelial or endothelial cells from the underlying connective tissue, providing support and anchorage.

Blood Capillaries

The smallest blood vessels in the body, responsible for the exchange of oxygen, carbon dioxide, and other substances between blood and tissues.

Erythropoiesis

Production of erythrocytes.