Bios 242 Heart exam - –Answer coronary arter- ies 2. What muscles p...

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Bios 242 Heart exam

• The vessels that carry oxygen to the myocardium are called

–Answer coronary arter- ies

• What muscles prevent the atrioventricular valves from everting during ven- tricular

contraction?–Answer Papillary muscles

• Which of the following valves is most often faulty in the heart?

–Answer Bicuspid

• A condition in which the valve flaps of the heart become stiff and constrict the opening is

called –Answer stenosis

• circumflex artery

–Answer supplies the left atrium and the posterior walls of the left ventricle

• Right marginal artery

–Answer Supplies blood to the lateral right side of the myocardium

• Anterior interventricular artery.

–Answer Supplies blood to the interventricular septum and anterior walls of both ventricles

• The are attached to the AV valve flaps.

–Answer chordae tendineae

• Which of the following structures lies on the outside surface of the heart and is an integral

part of the heart wall? 1 / 2

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–Answer The epicardium

• Match the following structure with its description

–Answer Fibrous pericardium.–Answer - Loosely fitting superficial part of the sac enclosing the heart

• The inner lining of the fibrous pericardium is formed by the .

–Answer - parietal layer of serous pericardium

• serous pericardium.

–Answer Thin, slippery, two-layered membrane

• The trabeculae carneae are located in the

–Answer ventricles

• The lining of the heart chambers is called the

–Answer endocardium

• Endocardium

–Answer Glistening white sheet of endothelium lining the inside of the heart

• How big is the heart?

–Answer size of fist

• What are the two layers of pericardium?
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