What is the limiting cardiovascular factor in endurance exercise?

Q: What happens to arterial blood pressure during exercise?

A: Blood is a connective tissue that helps in the transportation of nutrients thought out the body.…

Q: Estimate the ejection fraction of the failing heart at a typical normal end-diastolic volume?

A: Ejection fraction estimation - It is the measurement of the amount of blood pump from left ventricle…

Q: Explain Cardiovascular Changes During Moderate Exercise?

A: The circulatory system provides the link between pneumonic ventilation and oxygen usage at the…

Q: What is the patient’s current pulse pressure and what are the main determinants of pulse pressure?

A: The difference between systolic and diastolic blood pressures is defined as pulse pressure.The…

Q: What happens to the stroke volume during exercise?

A: Stroke Volume (SV) is that the volume of blood in milliliters ejected from every ventricle because…

Q: Define the term vasoconstriction?

A: Blood vessels including arteries, capillaries, and veins can constrict and dilate to facilitate body…

Q: Why do differences occur in maximal shortening velocities?

A: The shortening speed of a muscle fiber is that the rate of its shortening.

Q: What would be the drawback of cardiac contractions being the same duration as skeletal muscle…

A: Cardiac muscles are specialized in the way that long action potentials are generated in the cardiac…

Q: What is the importance and the physiology of the cardiac conduction system?

A: Cardiac conduction system is also known as the electrical conduction system of the heart. The…

Q: What regulates total peripheral resistance?

A: Total peripheral resistance can be defined as the sum of force that affecting as the generation of…

Q: Which of the following is the mean cardiac output (in L/min) needed to sustain oxygen delivery to…

A: Normal cardiac output is the result of heart rate and stroke volume which is measured in litres per…

Q: How does blood return to the heart despite the low pressure?

A: Answer: Introduction: The heart is a muscular organ present behind and partially left of the…

Q: What factors enhance venous return during exercise?

A: Venous return refers to the flow of blood from the periphery to the right atrium of the heart…

Q: What are the three factors that alter resistance? How does each affect blood flow in vessels?

A: The circulatory system is one that allows blood to circulate and move supplements, oxygen,…

Q: What are two major factors that determine pulse pressure?

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

Q: Does body position affect blood pressure (as measured by pulse pressure)?

A: Blood pressure is the force of blood pushing against blood vessel walls. It is measured in…

Q: Which determinant of resistance is varied physiologically to alterblood flow?

A: To answer this question we should have knowledge of Physiology.

Q: What is the most accurate way to calculate resting heart rate?

A: The resting heart rate refers to the rate at which the heart is pumping the blood when the body is…

Q: What is the inherent rate of automaticity at the AV junction?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. It is…

Q: How does exercise affect blood pressure?

A: Exercise increase blood pressure and then it returns to normal pressure. The systolic blood pressure…

Q: What are the principal inputs to and outputs from the cardiovascular center?

A: Cardiovascular centre It is a part of the human brain which regulates heart rate through the nervous…

Q: Based on the force of pulse, did stroke volume increase or decrease with exercise?

A: KEY WORDS :- Stroke volume - It is the total blood been pumped from the left ventricle per heart…

Q: If the duration of one pulse cycle is 0.5 seconds, what is the heart rate in beats per minute?

A: Pulse or pulse rate is the number of times heart beats in a minute

Q: Why is the pH of the blood stream lowered during intense exercise? How do muscles obtain MORE oxygen…

A: During intense exercise, our muscles undergo anaerobic respiration due to less availability of…

Q: What is the most characteristic feature of a wandering pacemaker rhythm?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. It is…

Q: Would you expect this count to be decreased or elevated in a vaso-occlusive crisis?

A: In Vaso occlusive crisis the RBC Becomes sickel shaped so it causes obstruction in the blood supply…

Q: How do blood volume and venous tone affect cardiacoutput?

A: The heart pumps the blood, and the amount of blood that is pumped by it within one minute through…

Q: Explain how the heart rate, pulse period and pulse amplitude changed with exercise and why?

A: The circulatory system is one of the major systems of the human body. The circulatory system…

Q: What is the normal cardiac out put range?

A: Cardiac Output = Stroke volume * Heart Rate per minute

Q: Name three mechanisms that can increase cardiacoutput.

A: The amount of blood that the heart pumps, each minute is defined by the term known as cardiac…

Q: Which organs have an increased proportion of cardiac output during exercise? Which receive a…

A: Cardiac output is also called heart output. It describes the blood volume being pumped by the heart…

Q: explain the regulation of cardiovascular adjustments to exercise

A: In the body, the blood is circulated by the action of the cardiovascular system. It is by this…

Q: What best describes cardiovascular endurance?

A: Humans have a well-established circulatory system that helps in the transportation of important…

Q: Why does heart rate increase with exercise?

A: Exercise may be defined as any physical body activity that can increase the fitness of an individual…

Q: Compared with resting values, blood flow changes in various organs during moderate exercise are most…

A: Introduction        During exercise minimum changes are observed in blood flow to brain, as in…

Q: What is Cardiac Pacemaker?

A: The heart and blood vessels are the main organs of the cardiovascular system. The heart, which is…

Q: How are preload, afterload, and contractility managed therapeutically in the patient with heart…

A: Heart failure is characterized by the heart’s inability to pump an adequate supply of blood to the…

Q: During heavy exercise, how much cardiac output may increase?

A: Cardiac output is the amount of blood pumped by the heart into the aorta in one minute. Heart beats…

Q: How does blood Po2 and Pco2 change during exercise? Explain.

A: Blood is the liquid connective tissue.

Q: Why do endurance athletics use erythropoietin?

A: Erythropoietin (EPO) is a peptide hormone that regulates erythropoiesis. It is produced when the…