Term
| Coronary vessels supply blood to which organ |
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Definition
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Term
| Which animal has only three chambered heart |
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Definition
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Term
| Mixing of oxy and deoxy blood does not occur in |
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Definition
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Term
| T/F: Only point of elect. Contact between atria-ventricles and AV-node |
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Definition
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Term
| Why is SA node the pace maker of the heart? |
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Definition
| Because it has capacity to generate faster beats, (70-80) than other portions of the |
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Term
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Definition
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Term
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Definition
| is from whole entire heart |
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Term
| Sequence of cardiac excitation.... |
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Definition
| SA Node → atrial myocardium → ventricular myocardium → AV node → bundle of his → Purkinje → ventricular myocardium |
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Term
| Purpose of AV node delay? |
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Definition
| To allow end of atrial contraction before ventricular contraction begins |
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Term
| If ventricle is damaged, which EKG wave looks different? |
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Definition
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Term
| Why no seperate wave for atrial repolarization? |
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Definition
| Hidden under vascular depolarization wave |
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Term
| If P wave is not followed by QRS complex, what does this reflect? |
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Definition
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Term
| Define ventricular fibrillation |
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Definition
| When there is no synchronized beat |
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Term
| Equation for cardiac output |
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Definition
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Term
| Equation for systolic volume |
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Definition
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Term
| Equation for ejection fraction |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Which organ has the highest blood pressure? |
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Definition
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Term
| T/F: Blood flows into circulatory system during diastole? |
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Definition
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Term
| What was the first neurotransmitter discovered? |
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Definition
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Term
| Otto Loewi discovered what? |
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Definition
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Term
| Sympathetic nerve stimulation causes increased forced contraction. This is.... |
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Definition
| Positive inotropic effect |
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Term
| In action potential, repolarization of cells is carried out by which ions |
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Definition
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Term
| Dicrotic notch appears before the closing of which valve |
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Definition
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Term
| Role of papillary muscles and chordae tendinae |
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Definition
| Prevent the opening of valves during contraction |
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Term
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Definition
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Term
| Increased relaxation rate |
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Definition
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Term
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Definition
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Term
| Increased conduction velocity |
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Definition
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Term
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Definition
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Term
| What happens if mitral valve fails |
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Definition
| Back flow of blood intoleft atriaum fom left ventricles during systole |
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Term
| increased heart rate mainly due to relase of epinephrine from adrenal glands |
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Definition
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Term
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Definition
| To regulate blood pressure |
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Term
| In healthy hear, increased venous return will lead to |
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Definition
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Term
| Increased aortic pressure will lead to |
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Definition
| Increased afterload on the heart |
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Term
| Significant blood loss leads to.... |
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Definition
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