Surgery Which of the following statements about prostaglandins is true? A They are precursors to arachidonic acid B They release arachidonic acid from membranes through the action of phospholipase A C They were first observed to cause uterine contraction and lowering of blood pressure D Although found in many organs, they are synthesized only in the prostate and seminal vesicles 💡 Explanation Which of the following statements about prostaglandins is true? ✓ Correct Answer: C. They were first observed to cause uterine contraction and lowering of blood pressure