Which of the following statements about prostaglandins is correct?

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They have a brief duration of actionThey are found in various body tissuesCertain prostaglandins depend on cAMP to exert their effectsAll of the above statements are accurate

Explanation

Prostaglandins are known to act for a short period, are distributed across multiple tissues, and some of them require cyclic AMP (cAMP) to mediate their biological effects. Therefore, all the listed statements are true.