Which Layer of the Heart Contains Muscle Fibers That Contract

question 1

Multiple Choice

Which layer of the heart contains muscle fibers that contract to pump blood?

• A) Myocardium
• B) Endocardium
• C) Epicardium
• D) Pericardium

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Definitions:

Unpredictable Spurts

Unexpected or sudden bursts of growth, activity, or development that do not follow a predictable pattern.

Neonatal Feeding

The practice of feeding newborn infants, including breastfeeding and bottle-feeding.

Obstetrician

A medical doctor specializing in the care of women during pregnancy, childbirth, and the postpartum period.

Cephalocaudal

A pattern of growth and development in which areas of the body develop from head (cephalo) to tail (caudal) direction.