conduction system of the heart regulates the electrical impulses

Q: What is the effort of different types/intensity of exerise on heart rate

A: We can measure exercise intensity using target heart rates, the talk test, or the exertion rating…

Q: . ECG depicts the depolarization and repolarization processes of a cardiac cycle. In the ECG of a…

A: The electrocardiogram (ECG) is the total amount of the action potentials of millions of…

Q: If leaky Na+ channels in the cells of the SA Node became more leaky (allowed Na+ through at a faster…

A: Generation of the action potential is a significant characteristic of the cells of the sinoatrial…

Q: The blood pressure through the systém iš highest at the ou as it moves through the system…

A: The heart is the main organ of the cardiovascular system that supplies blood throughout the body. It…

Q: An increase in heart rate leads to a increase in arterial pressure leads to a in end diastolic…

A: The heart is the central organ of the cardiovascular system of the body. It is a myogenic organ that…

Q: Which part of the heart is responsible for the muscular contractions that pump blood through it?…

A: Heart is a muscular organ present in thoracic cavity which helps in blood flow through out the body.

Q: Put the progression of the electrical excitation of the heart muscle in the right order Atrial…

A: Circulatory system is a part of body system which is involved in circulation of body fluids like…

Q: Which of the following is not correct regarding the heart? ventricular fibrillation occurs from…

A: Heart is the major organ of the cardiovascular system. It is the mesodermally derived organ and it…

Q: Which chamber of the heart has to contract against the greatest afterload?     right ventricle…

A: Afterload is the pressure which heart has to overcome to open the aortic valve and eject the blood…

Q: What activities of heart are controlled by sympathetic system and parasympathetic system.

A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…

Q: When during the cardiac cycle do ventricles contain their maximal amount of blood? At the end of…

A: Cardiac cycle is referred to as the time period between the contraction of atria and the relaxation…

Q: the upper chambers (rooms) pf the heart are known as

A: The heart is the vital organ of the body, located in the middle and front of the chest and slightly…

Q: Valves between which structures of the heart shown in the figure control the direction of the…

A: The heart is located in the centre of the chest, just to the left of centre, about the size of a…

Q: The marks a spot of dead myocardial cells. How does this change the depolarization and muscle…

A: Myocardial cells myocardial cells are located in the heart forming a branched network in the heart,…

Q: The first phase of the cardiac cycle is This is when a lot of blood is in the atria, which causes…

A: The cardiac cycle reffers the sequence of events which takes place during completionon of one…

Q: The cardiac action potential is substantially longer than a neuron potential due to: spontaneous…

A: Cardiovascular activity is a short-term change in electrical activity in the lining of the heart…

Q: Which structure(s) (if any) do NOT produce action potentials (APs)?   SA node   Atrial muscle…

A: An action potential is caused by the influx and ejection of ions within the cell. The action…

Q: Congestive Heart Failure Why is this related to a valve or ventricular insufficiency? Where does the…

A: Congestive heart failure, often known as heart failure, occurs when the heart muscle is unable to…

Q: ____ is the contractile phase of the cardiac cycle and _____ is the relaxation phase of the cardiac…

A: The pumping of blood in the body is a function performed by heart. Now, the pressure with which the…

Q: Describe the movement in ions in action potentials of these cells - pacemaker cell - cardiac…

A: Series of changes in various ion concentration such as calcium, sodium and potassium ions that…

Q: Because of a reduced blood supply to the AV node, the delay in theconduction of action potentials…

A: The muscular cardiovascular thoracic cavity organ that functions to pump the blood to ensure its…

Q: SEROUS PERICARDIUM 4 VISCERAL PERICARDIUM: PERICARDIAL SPACE 5 PARIETAL PERICARDIUM 6 FIBROUS…

A: The heart is a muscular organ that is found in most of the animals that pumps blood through the…

Q: As blood in the great arteries ricochets back against the closed semilunar valves, the second heart…

A: The second  heart sound is caused by the closure of the aortic and pulmonary truck semilunar valves…

Q: True or false:  Impulses through the conduction system of the heart follow the ordered path SA…

A: INTRODUCTION SA node causes the atrial muscle contraction. From here the signal travels to AV node…