describe cardiac pacemaker cells then give two functions of the cardiac pacemaker cells.

Q: write the name of each part of the heart next to the number and mark the blood flow with red arrows…

A: The human heart pumps blood during the frame thru the vessels of the circulatory system, providing…

Q: A patient has tachycardia. Would you recommend a drug that prolongsor shortens the plateau of…

A: Tachycardia is a condition that makes our heart beat more than 100 times per minute. There are three…

Q: Give typing answer with explanation and conclusion there are many patients who have atrial…

A: Atrial fibrillation occurs in different patterns. This may cause stroke, heart failure, and other…

Q: Explain why an incompetent valve reduces the efficiencyof the heart contraction.

A: The organ of the mesodermal origin-the heart is primarily accountable for blood pumping. Repeated…

Q: Place the labels in order, denoting the sequence of events of the cardiac cycle beginning with…

A: Cardiac cycle is the performance of the human heart from the ending of one heartbeat to the…

Q: In terms of the mechanics of blood flow, discuss why a pulse is evident on the arterial side but not…

A: The movement of blood in the different vessels refers to as blood flow. The blood generally flows…

Q: Should epinephrine or acetylcholine alter the rate of contraction of separated pieces of cardiac…

A: Neuotransmitters include epinephrine and acetylcholine. They work on beta and muscaric receptors,…

Q: Explain The Process of Blood flow through the circulatory system

A: Circulatory system can be described as the system of the body that circulates oxygen and nutrients…

Q: Unlike skeletal and smooth muscle tissue, cardiac muscle is “self-excitable”. Explain how this…

A: There are three major types of muscles. They are skeletal muscles, smooth muscles, and cardiac…

Q: Compare and contrast pressure and volume changes of the left ?and right ventricles and the aorta…

A: Answer: Introduction: The heart is present in the thoracic (Thorax) cavity medially among the lungs…

Q: Interpret Ventricular tachycardias from ECG with graph

A: The function of the electrocardiogram(ECG) is to trace the electrical activity of the heart. In a…

Q: Explains the significance of long refactory period in cardiac muscle and the importance of…

A: Cardiac muscles are one of the three important muscle tissues present in the body. These muscles are…

Q: a patients blood test showed high levels of myocardium-specific troponin, and her ECG showed ST…

A: ST elevation means that ST segment in ECG is abnormally high above the baseline. ST segment…

Q: Compare and contrast the molecular events of the action potential in the pacemaker cells of the SA…

A: The action potential is a crucial physiological process that occurs in both pacemaker cells of the…

Q: A decrease in the effective circulating blood volume occurs in the circulatory system when moving…

A: The cardiovascular system is an organ system which distributes blood to all the parts of the body…

Q: Describe the path a red blood cell would take once it passed through the aortic semilunar valve and…

A: Carotid arteries are the arteries that supply oxygen-rich blood in the neck and head region.  They…

Q: Predict the consequences for the heart’s pumping effectiveness ifnumerous ectopic foci in the…

A: Ectopic foci are abnormal pacemaker sites outside the sinoatrial node.

Q: Cells in the body have the ability to undergo a transiet depolarization and repolarization. A. Plot…

A: The heart contracts and relaxes to pump blood throughout the body. The contraction is controlled by…

Q: Predict the significance of slow blood flow in the capillaries

A: The blood vessels are characterized by the presence of a single endothelial layer, diameter 5 to 10…

Q: A. What could be the implicatiosn for the atrial and ventricular contraction-relaxation? B. Draw…

A: If the pacemaker activity in the atrioventricular (AV) node overtakes the sinus node (SA node)…

Q: Based on the Image below make a simple explanation (be unique, you can present it through diagrams…

A: The heart is a four-chambered, hollow organ and it is divided into the left and right sides by the…

Q: The following figure models a part of blood vessel network in two different points. If blood vessel…

A: Introduction:- Blood is the body's fluid in the circulatory system of humans and other vertebrates…

Q: how two different heart muscle diseases (dilated cardiomyopathy and hypertrophic cardiomyopathy) can…

A:

Q: cardiac action potential with the normal ECG tracings. compare the patient's ECG tracing with the…

A: The cardiac action potential is the electrical activity of the heart cells that drives the…

Q: Explain why Purkinje fibers conduct action potentials morerapidly than other cardiac muscle cells

A: Purkinje fibers are components of the heart's advanced conduction system, which guarantees that an…

Q: he strength of a peripheral pulse is

A: Pulse is the rhythmic dilation of an artery caused by the heart's pounding. The arteries of the…

Q: The major change in blood flow would be an increase in certain abdominal organs. Explain with an…

A: The abdominal body cavity is the body region that lies below the thoracic cavity from which it is…

Q: Describe one cardiac cycle,beginning with both atria and ventricle relaxed?

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: define cardiac cycle

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: Explain what an ECG trace can tell us about what is happening in the heart.

A: ECG stands for electrocardiogram. It is used to record the electrical activity of the heart.

Q: Explain how could determine resting heart rate (pulse rate) based on meaurements from a peripheral…

A: The blood forced into the aorta during systole not only moves the blood in the vessels forward but…

Q: Know the locations of the autorhythmic (pacemaker) cells in the heart.

A: Introduction = Two types of cardiac muscle cells that are involved in a normal heartbeat:Specialized…

Q: Compare and contrast the action potential of a myocardial conductive cell and the action potential…

A: The cardiac muscle comprises two types of cells: myocardial contractile cells and myocardial…

Q: During the systolic phase of the cardiac cycle, the heart is

A: The cardiovascular system, also referred to as the circulatory system or the system, is an organ…

Q: interpret Heart failure from ECG with graph

A: An electrocardiogram is a technique that records the electrical signal from your heart to check for…

Q: Study the diagram below to identify the pressure relationships which are present during VENTRICULAR…

A: During first part of ejection ventricular pressure rises blood is intensively ejected to the…

Q: Number of double circulations completed by the human heart per minute under resting conditions is

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

Q: A heart beats 72 times per minute with a total of 10mL of blood pumped with each contraction. What…

A: Cardiac output is the amount of blood pumped each minute by the heart. It is calculated by…

Q: Detail action potential of myocardial conduction and contractile cells – see stages. Include all ion…

A: An action potential is characterized as a drastic shift of the resting membrane potential that is…

Q: The following graph represent the blood vessel network. Select all correct answers. Artery (A) Point…

A: the topic is most likely related to human cardiovascular physiology, specifically focusing on the…

Q: If a person’s heart rate is 72 beats per minute, determine the number of QRS complexes that would…

A: ECG stands for electrocardiogram. It is a technique in which the cardiac action potentials of the…