<prompt> In a case of chest pain with pericarditis and pericardial effussion, pain is referred byPhrenic nerveSuperficial cardiac plexusDeep cardiac plexusVagus nerve  <response>: The fibrous and parietal pericardia are supplied by phrenic nerves.They are sensitive to pain.Pain of pericarditis originates in the parietal pericardium alone. B D CHAURASIAS HUMAN ANATOMY UPPER LIMB THORAX-VOLUME-1 SIXTH EDITION Page no-251 