5 Written Questions
5 Matching Questions
- moderator band
- intercalated discs
- trabeculae carneae
- a The prominent trabeculae, a curved muscular bundle that runs from interventricular septum to the base of the anterior pupillary muscle. Carries the intrinsic conducting system of the heart.
- b There are three layers of the heart. The bulk of the wall of the heart; made up of cardiac muscle tissue and contracts (pumps) the heart. Middle layer.
- c What is the name of the sac that covers the heart?
- d Branching ridges of cardiac muscle that form the internal surface of the ventricles.
- e Gap junctions in cardiac muscle that allow ions to pass freely from cell to cell to allow a quick depolarization across the heart.
5 Multiple Choice Questions
- Vessels that bring blood from the lungs into the left atrium.
- After birth, what does the DUCTUS ARTERIOSUS become?
- The layer of the pericardium that is a single layer of epithelium cells that lines both the internal surface of the fibrous pericardium and the outer surface of the heart?
- Chambers in the heart that pump blood away from the heart (we mammals have 2 of these).
- Which ventricle is thicker, the right or the left?
5 True/False Questions
pericardial cavity → What is the space between the layers of the serous pericardium?
bicuspid valve → Valve between the atrium and ventricle,a lso known as the right atrio-ventricular valve, it has 3 flasks.
non contractile cardiac muscle cells → Cells in the myocardium that initiate impulses around the heart; also known as the Cardiac Conducting System
visceral layer (epicardium) → What is the name of the inner pericardium layer that is deep to the fibrous layer?
pectinate muscles → Muscles that make up the roughened wall of the right atrium.