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30 Cards in this Set
- Front
- Back
The thick muscular layer of the heart wall is the ________
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Myocardium
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The heart wall layer that is part of the pericardium is the _________
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Epicardium
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The lower chambers of the heart are called the _________
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Ventricles
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Intercalated disks are found in the heart wall layer called the_________
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Myocardium
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The two upper chambers of the heart are seperated by the ________
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Interatrial septum
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The space between the visceral and parietal layers of the pericardium is called the ___________
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Pericardial cavity
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The right atrioventricular valve is also known as the _________ valve
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Tricupsid
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The right side of the heart pumps blood to the _______ circuit
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Pulmonary circuit
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The _______ valve is at the exit of the right ventricle
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Pulmonary or pulmonic
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The _______ side of the heart pumps blood over longer distances than the other side
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Left
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The aortic and pulmonary valves are collectively known as the _______ valves
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Semilunar
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A dilated vein that returns blood from the coronary circulation to the right atrium is the _________
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Coronary sinus
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Impulses can travel directly from the SA node to the AV node via the _________
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internodal pathways
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The blood supply to the myocardium is called the ______ circulation
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Coronary
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Tachycardia could result from the activation of the _______division of the autonomic nervous system
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Sympathetic
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The ventricles contract during during the cardiac cycle phase called _________
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Systole
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The heart rate is slowed down by activation of the _____ division of the autonomic nervous system
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Parasympathetic
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The product of the stroke volume and the heart rate is called the ________
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Cardiac Output
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An abnormally slow heart rate is termed _________
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Bradycardia
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The heart rate is usually set by a collection of conducting cells called the ________
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Sinoatrial node
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A heart rate of 180 beats/min is termed ____________
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tachycardia
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The heart sound that occurs at the beginning of ventricular systole is usually described by the syllable _________________
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lubb
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A heart sound resulting from normal ventricular filling could be called a(n) _______________________ murmur
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functional
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Atrial septal defect results when the __________________ between the right and left atria fails to close after birth
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foramen ovale
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Inflammaion of the serous membrane surrounding the heart results in ____________________
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pericarditis
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The medical term for a heart attack is _____________________
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myocardial infraction
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Until midle age the gender most likely to develop heart disease is ______________
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males
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A heart murmur would most simply be detected by an instrument called a(n) __________________
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stethoscope
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Electrical changes in the heart are detected by an instrument called a(n) ______________________
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electrocardiograph
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A plant derived substance that slows and strengthens heart muscle contraction is _______________________
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digitalis
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