How do blood volume and venous tone affect cardiacoutput?

Q: What are Cardiac Action Potentials?

A: Unlike the action potential in skeletal muscle cells, the cardiac nerve impulse isn't initiated by…

Q: What are the mechanisms that assist in returning venous blood to the heart?

A: The most important transport liquid in the human body is blood. This is circulated from heart to…

Q: How is heart contractiontriggered?

A: The heart is a muscular organ, which pumps blood throughout the body. It is located in the middle…

Q: What is ventricular fibrillation?

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: Draw the pressure changes along the systemic and pulmonaryvascular systems during the cardiac cycle?

A: Along the systemic and pulmonary vascular systems during the cardiac cycle  the pressure which…

Q: How is cardiac output calculated?

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: how does left side heart failure affect pulmonary blood pressure, cardiac output and systemic blood…

A: The left side of the heart receives the oxygenated blood from the lungs and pumps it to the entire…

Q: What is known as cardiac output ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

Q: How does your blood clot? How do blood pressure and flow change throughout one cardiac cycle?

A: There is two different content one is blood clotting amdanother is cardiac cycle. Blood clotting :…

Q: What factors regulate heart rate during exercise? Stroke volume?

A: The cardiovascular system comprises the heart, blood vessels, and lungs. It is also named the…

Q: What does an ECG measure? Name the waves andintervals produced by an ECG, and state what eventsoccur…

A: Electrocardiography is the process by which an electrocardiogram is generated. This is a…

Q: What initiates action potentials in cardiac muscle?

A: Generation of action potential activates the neuron during the generation of stimuli. It is studied…

Q: What effect does a bigger heart have on stroke volume and heart beat?

A: Stroke Volume (SV) can be defined as the volume of blood in milliliters that is ejected from each…

Q: explain how blood viscosityand blood vessel length each influence cardiac output?

A: Viscosity, a basal parameter in physics, is a crucial and important determinant of the shear stress…

Q: How does each ECG wave, interval, and segment relate to contraction (systole) and relaxation…

A: Electrocardiogram (ECG) is used to measure the regularity of heartbeats and also the size and…

Q: Describe the process of Contraction Coupling in the Cardiac Muscle?

A: Answer: Introduction: Cardiac muscle, comprised of the contractile cells of the heart, contain a…

Q: What effects does the parasympathetic nervous system have on cardiac output?

A: The cardiovascular system plays the part in conveying the blood through vessels to and from all…

Q: Give description of blood supply in cardiac muscle?

A: Blood consists of a fluid medium called plasma in which the cells are suspended. Plasma transports…

Q: How do gap junctions and intercalated disks aidcontraction of the heart?

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: Differentiate between a cardiac pacemaker and contractile cell?

A: In animals, the contraction of cardiac muscles begins by electrical impulses termed Action…

Q: Explain Mechanical Events of the Cardiac Cycle?

A: The cardiac cycle involves the events that occur in the heart chambers in a single heartbeat. The…

Q: How are events of the cardiac cycle reflected in pressure and volume changes within the cardiac…

A: The cardiac cycle includes coordinated contraction and relaxation of heart chambers.

Q: What is the relationship between cardiac output and venous return in the steady state?

A: Cardiac output is the amount of blood pumped into the aorta by the heart per minute, and it is…

Q: How does the long plateau of the cardiac action potential develop and what is its functional role?

A: Hi, Thanks For Your Question.  Answer : A Transient Shift In Voltage (Membrane Potential) Across The…

Q: How does the depolarization of pacemaker cells differfrom the depolarization of other cardiac cells?…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

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: how do gap junction and intercalated disks aids contraction of heart?

A: Cardiac muscle tissues are only limited to the heart. The contractions of the cardiac muscles are…

Q: How does the heart rate differ before and after exercise?

A: Heart rate, also termed as the pulse rate, is the rate at which a person’s heart beats for one…

Q: What type of cardiac rhythm is this??

A: Electrocardiogram (ECG): This is a simple test. this test can be used to check: -Heart's rhythm…

Q: How do skeletal muscles, respiratory movements, and vasoconstriction affect venous blood flow?

A: The blood vessels are a part of the circulatory system. It functions to transport blood all over 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 are action potentials generated and conducted in myocardial and pacemaker cells?

A: The cardiac conduction system includes special muscle fibers.

Q: Does the right ventricular stroke work index (RVSWI) measure the amount of work required by the…

A: Right ventricle is one of the four chambers of the heart which receives deoxygenated blood from the…

Q: What does the left ventricular stroke work index (LVSWI) measure?

A: Ventricular stroke work is the work done by a ventricle in pumping the blood in one cardiac cycle.…

Q: Why must this change occur? (in reference to how does the heart rate differ before and after…

A: The process of circulation or internal transport is carried out by the pumping organ of the body,…

Q: How much of the total cardiac output may increase during the performance of heavy exercise?

A: The word "cardiac output" refers to the amount of blood pumped by the heart every minute. The…

Q: How do heart rate, preload, afterload, and contractility affect cardiac output and cardiac workload?

A: The cardiovascular framework circulates blood all through the body in order to supply oxygen and…