Home >> Flashcards >> Biology >> BIO 211: Exam 1: Chapter 19 Questions
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| The cardiac conduction system includes all of the following except |
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| To get from the right atrium to the right ventricle, blood flows through |
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| A heart rate of 45 bpm and an absence of P waves suggest |
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| There is/are _____ pulmonary vein(s) emptying into the right atrium of the heart. |
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| The coronary blood vessels are part of the _____ cicuit of the circulatory system. |
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| The atria contract during |
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| Cardiac muscle does not exhibit tetanus because it has |
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| a long absolute refractory period |
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| The contraction of any heart chamber is called _____ and its relaxation is called _____ |
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| The circulatory route from aorta to the venae cavae is the _____ circuit. |
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| The pacemaker potential of the SA node cells results from the slow inflow of _____ |
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| Electrical signals pass quickly from one cardiac myocyte to another through the _____ of the intercalated discs. |
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| Repolarization of the ventricles produces the _____ of the electrocardiogram. |
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| The _____ nerves innervate the heart and tend to reduce the heart rate. |
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| The death of cardiac tissue from lack of blood flow is commonly known as a heart attack, but clinically called _____ |
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