What will be a flow chart of the function of the heart's blood flow, where it goes and comes back, and which is oxygenated and deoxygenated blood?
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What will be a flow chart of the function of the heart's blood flow, where it goes and comes back, and which is oxygenated and deoxygenated blood?
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- Which part of the cardiovascular system contains the most blood? Which part provides the greatest resistance to blood flow? Which part provides the greatest cross-sectional area? Explain.What term is used to describe normal, quite blood flow?What is ‘clotting of blood’? Write a flow chart showing major events taking place in clotting of blood?
- which of the following experience a drop in blood flow during exercise? Pick two answers: kidneys, heart, digestive organs, brain.a)How is one-way flow through the heart achieved and What are the stages of the cardiac cycle and the changes in pressure that occur in thechambers?b)Define how cardiac output is calculated, and what it can tell you about heart function. c. What factors influence cardiac output to maintain adequate perfusion?Develop a model for the flow rate (amount per unit time) of blood through a given blood vessel. (Hint: which factors are important; do they increase or decrease the rate?)
- What is the cardiac conduction system? Why is it important?Diagram electrical conduction of the heart and discuss each component (SA node, AV node, etc). How does this dictate the fluidity of heart contraction? Why does the SA always start the conduction? What is the inherent rate of depolarization of the SA node (this means that if the nervous system was shut off what would resting bpm be)? If it is damaged what happens to the electrical conduction system?Describe the mechanical events of the cardiac cycle. (use terms like atrial systole, atrial diastole, ventricular diastole, ventricular systole, isovolumic ventricular contraction, isovolumic ventricular relaxation, ventricular ejection, period of rapid filling)
- Explain how an ECG tracing can be used for diagnostic purposes to evaluate a functioning heart? Explain how you would use a series of ECG tracing to monitor cardiac performance in an athlete? What changes would you see in the later?In a blood pressure reading of 120/80, the 120 represents and the 80 represents . (a) diastolic pressure; systolic pressure (b) pulse pressure; mean arterial pressure (c) systolic pressure; diastolic pressure (d) mean arterial pressure; pulse pressurePressure changes that occur during the cardiac cycle are responsible for what two physiologic processes within the heart?
