The parietal serous pericardium is innervated byDeep cardiac plexusPhrenic nerveSuperficial cardiac plexusI onlyI and II onlyII onlyI, II and II

The serous pericardium just internal to the fibrous pericardium is calledQuestion 4Answera.the epicardium.b.the parietal pleura.c.the visceral pericardium.d.the parietal pericardium.e.Either the visceral pericardium or the epicardium is equally correct for this structure.

The innermost layer of the heart is:Group of answer choicesEndocardiumMyocardiumEpicardiumVisceral Pericardium

Pericardium surrounds the

The pericardium, or pericardial sacQuestion 1Answera.anchors the heart in the mediastinum.b.has all of these characteristics.c.has a tough fibrous connective tissue outer layer.d.has an inner layer of squamous epithelial cells.e.is a double-layered, closed structure.

Name the tough outermost layer of the sac that surrounds the heart.Multiple ChoiceEndocardiumVisceral pericardiumFibrous pericardiumEpicardium