Podcast
Questions and Answers
What is the primary controller of coronary blood flow?
What is the primary controller of coronary blood flow?
Local metabolism
What is the function of the left coronary artery?
What is the function of the left coronary artery?
Supplying blood to the walls of LA, LV, and most of the interventricular septum including AV bundle
What is the function of the right coronary artery?
What is the function of the right coronary artery?
Supplying blood to the walls of RA, RV, SA and AV node, and posterior part of interventricular septum (proximal portion of AV bundle of His)
What is the main consequence of anaerobic glycolysis in the myocardium?
What is the main consequence of anaerobic glycolysis in the myocardium?
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What stimulates the release of vasodilators in response to the need of cardiac musculature for oxygen?
What stimulates the release of vasodilators in response to the need of cardiac musculature for oxygen?
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What is the role of sympathetic stimulation in arterioles during exercise?
What is the role of sympathetic stimulation in arterioles during exercise?
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How does sympathetic stimulation affect the work output of the heart during strenuous exercise?
How does sympathetic stimulation affect the work output of the heart during strenuous exercise?
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What percentage of coronary blood flow does the heart use during strenuous exercise?
What percentage of coronary blood flow does the heart use during strenuous exercise?
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How does sympathetic stimulation affect the demand for oxygen at rest?
How does sympathetic stimulation affect the demand for oxygen at rest?
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What is the role of sympathetic stimulation in skeletal muscle arteries?
What is the role of sympathetic stimulation in skeletal muscle arteries?
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What determines the coronary dominance in the majority of people?
What determines the coronary dominance in the majority of people?
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What are the components of the cardiac conduction system?
What are the components of the cardiac conduction system?
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What is the function of the coronary sinus?
What is the function of the coronary sinus?
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What are the components of the cardiac conduction system?
What are the components of the cardiac conduction system?
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What is the role of the sympathetic nervous system in the heart?
What is the role of the sympathetic nervous system in the heart?
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What is the role of the parasympathetic nervous system in the heart?
What is the role of the parasympathetic nervous system in the heart?
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What are the sources of figures and images mentioned in the text?
What are the sources of figures and images mentioned in the text?
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What are the learning outcomes of the lecture on coronary circulation and the conduction system?
What are the learning outcomes of the lecture on coronary circulation and the conduction system?
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How is the heart innervated and controlled?
How is the heart innervated and controlled?
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Why can't the heart use the oxygenated blood in its chambers?
Why can't the heart use the oxygenated blood in its chambers?
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What is the long-term regulation of blood volume and pressure controlled by?
What is the long-term regulation of blood volume and pressure controlled by?
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How are changes in blood volume and blood osmotic pressure sensed and altered?
How are changes in blood volume and blood osmotic pressure sensed and altered?
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What triggers the release of ADH?
What triggers the release of ADH?
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How does hypotension affect ADH release?
How does hypotension affect ADH release?
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What is the role of angiotensin II in the regulation of blood volume and pressure?
What is the role of angiotensin II in the regulation of blood volume and pressure?
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What is the role of ADH (arginine vasopressin) in increasing blood volume and reducing urine production?
What is the role of ADH (arginine vasopressin) in increasing blood volume and reducing urine production?
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How does the release of ADH change in severe hypovolemic shock?
How does the release of ADH change in severe hypovolemic shock?
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What is the function of the renin-angiotensin-aldosterone system (RAAS) in regulating blood volume?
What is the function of the renin-angiotensin-aldosterone system (RAAS) in regulating blood volume?
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What is the role of atrial-natriuretic hormone (ANH) in counteracting the effects of the RAAS system?
What is the role of atrial-natriuretic hormone (ANH) in counteracting the effects of the RAAS system?
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What are the classifications of shock based on the percentage of blood loss?
What are the classifications of shock based on the percentage of blood loss?
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What is the primary purpose of the baroreceptor reflex control?
What is the primary purpose of the baroreceptor reflex control?
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What are the target effectors in the reflex control of blood pressure?
What are the target effectors in the reflex control of blood pressure?
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What is the role of the sympathetic nervous system in blood vessels?
What is the role of the sympathetic nervous system in blood vessels?
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What is the role of the parasympathetic nervous system in the heart?
What is the role of the parasympathetic nervous system in the heart?
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How is integration of baroreceptor and cardiopulmonary baroreceptor signals controlled?
How is integration of baroreceptor and cardiopulmonary baroreceptor signals controlled?
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What are the fundamental components of a reflex control system?
What are the fundamental components of a reflex control system?
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Where are the main baroreceptor locations?
Where are the main baroreceptor locations?
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What is the function of baroreceptors?
What is the function of baroreceptors?
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What are the roles of the nervous control of arterial pressure?
What are the roles of the nervous control of arterial pressure?
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What is the purpose of controlling blood pressure?
What is the purpose of controlling blood pressure?
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