During Open-Heart Surgery,the First Heart Structure That Would Be Cut

question 59

Multiple Choice

During open-heart surgery,the first heart structure that would be cut into is the _____.

• A) myocardium
• B) left ventricle
• C) pericardium
• D) right ventricle
• E) left atrium

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Definitions:

Embryo

The early stage of development in multicellular organisms after fertilization, during which the organism undergoes rapid cell division and differentiation.

Endoderm

The Endoderm is the innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of the digestive and respiratory systems.

Ectoderm

The outermost layer of cells in the early embryo from which the nervous system, skin, and other external tissues develop.

Proximodistal Development

A pattern of development where growth starts at the center of the body and moves towards the extremities, observed in the physical development of children.