During heart development, the primary outcome of cardiac looping is Fusion of the aortic sac vessels of the branchial arches Appearance of pacemaker cells in the right atrium and top of left ventricle Formation of the contrucal segments Fusion of the right atrium with the right ventricle followed by formation of the ventricular septum. Levo-transposition of the great arteries

Q: Outline the flow of the electrical impulse through the conduction system of the heart by choosing…

A: The objective of the question is to understand the sequence of electrical impulse flow through the…

Q: Generates electrical impulse that sets rhythm to the heart; the primary pacemaker of the heart. SA…

A: Heart has conductive system which generates and transfer the electrical impulses.

Q: Describe how the pressure in the left ventricle and in the systemic arteries varies during the…

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

Q: Which ion movement causes depolarization in the contractile cells of the heart? Ca++ leaving the…

A: The human heart is a muscular blood pumping organ made up of electrically excitable cardiac muscle…

Q: one: Variation in P wave contour Irregular ventricular response Absent QRS complex P wave after QRS…

A: When there is contraction of the lower chamber or ventricles of the heart before they need to…

Q: Which side(s) of the heart would affected by high pressure in the pulmonary circuit? Which side(s)…

A: BASIC INFORMATION  PULMONARY CIRCUIT the blood pumped by right ventricles enters into the pulmonary…

Q: Tia developed Rheumatic heart disease when she was 19 years old that caused stenosis of her mitral…

A: Growth of the left atrium has been related to low effects for cardiovascular conditions: Atrial…

Q: 'Which of the following ions is not directly involved in the myocardiocyte action potential? copper…

A: The myocardiocyte action potenital is found in the heart cells.

Q: On an ECG, which of the following is generally produced from myocardial ischemia? Group of answer…

A: ECG is a diagnostic test known as Electrocardiogram which is used to check the heart's rhythm and…

Q: Identify and describe the size, shape, and location of the heart and the path of blood through the…

A: The cardiovascular system is one of the 11 major body organ systems that is concerned with the…

Q: The myocardium is supplied by its own arterial blood supply, called the coronary circulation.…

A: In humans, coronary circulation can be described as the phase of systemic circulation during which…

Q: The mother of a three-month-old infant was concerned because her child had little energy and did not…

A: The cardiovascular system is a crucial component of the circulatory system in humans (which is often…

Q: a hypothetical disorder where a patient did not have an arterioventricular- bundle. As a result, the…

A: AV bundle also known as bundle of His. This is the only site where action potential can move from…

Q: In the figure below on the left, label the P, QRS and T waves. Describe what is happening in the…

A: The question consist of two parts but according to the rules of Bartleby.com only the first question…

Q: Describe the pressure changes in the atria and ventriclesduring a cardiac cycle.

A: The heart is an organ found in animals which is specialised to pump blood in the body. The heart is…

Q: Describe the pacemaker potential and the myocardial action potential, and explain how the latter…

A: Heart is the major pumping organ in our circulatory system. It has two types of cells namely;…

Q: Depolarization / Repolarization Systole / Diastole ECG Wave Heart Chamber P-wave Atria Atria…

A: Electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

Q: Explain in details contraction of the heart on the organ level, meaning the whole  heart including…

A: The conducting system of heart contains cardiac muscles and conducting fibers. These conducting…

Q: If damage to the AV node slowed down conduction through the heart, what would be observed on an ECG?…

A: An electrocardiogram or ECG is a graphical presentation of the electrical activity of the heart. It…

Q: Draw and Label the sheep’s heart in the external anterior and posterior views. Include the coronary…

A: This question seeks to explore the external views of a sheep's heart, including the labeling of…

Q: Plot the tension in the left ventricle, assuming that only the diameter changes during the cardiac…

A: The blood flows through the systemic and pulmonary circulation following a specific pathway known as…

Q: Describe in detail the flow of blood through the chambers of the heart.  Name all blood vessels and…

A: As we know the heart is a muscular organ made up of cardiac tissue that pumps blood throughout the…

Q: The second heart sound is caused by

A: Answer:  The Lub - Dup sound produced by the heart is basically the closing of the heart valves.

Q: Describe the electrical event in the heart that occurs during each of the following: (a) the QRS…

A: Heart is a muscular organ which is responsible for pumping the fluid connective tissue called blood…

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: Discuss the intrinsic conduction system of the heart including the sinoatrial node, atrioventricular…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: Give a term to describe the statement. All valves are closed and the volume of blood remains…

A: Cardiac cycle is the process of contraction and relaxation of cardiac muscle to pump the blood in…

Q: The heart is resting during Select one: ventricular systole. the ejection period. ventricular…

A: Cardiac cycle The cardiac events that occur from the beginning of one heart beat to beginning of…

Q: Systole of the left ventricle is directly caused by: (Select all correct answers, there may be one…

A: The heart is made up of cardiac muscles or myocardium containing cardiomyocytes. The human heart is…

Q: When the SA node doesn’t function properly, the AV node takes over pacing the heart and produces…

A: In the ecg of the individuals with junctional rhythm , P waves is not seen . This is because the…

Q: Although not considered the primary pacemaker of the heart, the atrioventricular node can indeed be…

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: Indicate the corect statement:

A: The right coronary artery is the first branch of the ascending aorta just beyond the aortic…

Q: When the heart's electrical system misfires, it's called atrial [term]. The heart starts generating…

A: The heart's electrical system is also called the conducting system of the heart. This system…

Q: The heart’s pacemaker is called the (complete term)_________. The pacemaker is composed of…

A: The cardiovascular system consists of the heart, the blood vessels, and most importantly, the blood.…

Q: An increase in end-diastolic volume always causes an increase in stroke volume in a normal heart…

A: Stroke volume It is the amount of blood that is forced out from the ventricle per cardiac cycle. It…

Q: Why is the cardiac action potential propagated more slowly in an AV node cell then in an atrial or…

A: Cardiac action potential  It refers to the short alteration in the voltage i.e. membrane potential…

Q: A premature ventricular contraction (PVC) indicates which of the following

A: Heart function, also known as cardiac physiology, is the study of the heart's normal, healthy…

Q: Describe how the aorta and major elastic arteries allow for the continuous flow of blood and…

A: The elastic artery can be outlined as the arteries which lie close to the heart and form medium size…

Q: potential

A: Introduction:-The conductive cell's with in the heart established the heart rates and transmits it…

Q: hich of the following is true for the ejection phase of the cardiac cycle  select all that apply…

A: The ejection phase of the cardiac cycle begins when the intraventricular pressure exceeds the…

Q: Considering the left ventricle, why does the ventricular volume have to decrease during ventricular…

A: Protruding of the mitral valve into the left atrium during isovolumetric contraction results in a…

Q: left coronary artery great cardiac vein right coronary artery circumflex branch coronary sinus…

A: Introduction: The circulatory system comprises the central blood-pumping organ, the heart, and the…