Kaplan Nursing Entrance Practice Exam

In what part of the body are prostaglandins primarily produced?

1. Liver

2. Renal medulla

3. Pituitary gland

4. Pancreas

The correct answer is: Renal medulla

Prostaglandins are primarily produced in the renal medulla, which is part of the kidney. These lipid compounds are synthesized by various cells and tissues throughout the body in response to certain stimuli, but their production is particularly significant in the kidneys. In the renal medulla, prostaglandins play a crucial role in regulating blood flow, glomerular filtration rate, and sodium excretion. They also influence various physiological processes, including inflammation and the overall homeostasis of bodily functions. While other organs also produce prostaglandins, the renal medulla is notably involved in their synthesis due to its role in maintaining fluid balance and regulating blood pressure. Therefore, understanding the specific contribution of renal medullary prostaglandins is essential when studying renal physiology and related medical conditions.