Which layer of the heart is the outer layer of the heart?

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Prepare for the VetSkill Level 3 Diploma VN03 - Principles of Veterinary Nursing Care 1 Test. Review essential topics with flashcards and multiple choice questions, complete with hints and detailed explanations. Ensure your success with focused study sessions!

Multiple Choice

Which layer of the heart is the outer layer of the heart?

Explanation:
The outer surface of the heart is the epicardium. The heart wall has three layers: the epicardium on the outside, the thick muscular myocardium in the middle, and the inner endocardium that lines the heart chambers and valves. The epicardium, also known as the visceral layer of the serous pericardium, covers the heart and includes protective tissue and vessels that supply the heart muscle. The myocardium is the contractile layer, and the endocardium lines the interior. The pericardium surrounds the heart as a sac, but isn’t the heart itself. So the outermost layer of the heart tissue is the epicardium.

The outer surface of the heart is the epicardium. The heart wall has three layers: the epicardium on the outside, the thick muscular myocardium in the middle, and the inner endocardium that lines the heart chambers and valves. The epicardium, also known as the visceral layer of the serous pericardium, covers the heart and includes protective tissue and vessels that supply the heart muscle. The myocardium is the contractile layer, and the endocardium lines the interior. The pericardium surrounds the heart as a sac, but isn’t the heart itself. So the outermost layer of the heart tissue is the epicardium.

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