which of the following occurs with the heart chambers when they contract? Pick two answers: volume goes up, pressure goes down, volume goes down, pressure goes up.

Q: Label in the diagram: 1. Sinoatrial node, 2. atrioventricular node, 3. bundle of His, the branches…

A: In this question, we are given a schematic diagram of the conduction system of heart. The labeling…

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: Why does the heart spend more time in diastole then in systole?

A: Diastole and systole are the two phases of the cardiac cycle. They occur as the heart beats and…

Q: cardiac cycle includes all the events associated with the flow of blood thre heart during a single…

A: Heart consists of four chambers, two upper chambers called atrium. and two lower ventricles. All…

Q: the patient's heart makes a sound at systole, assuming it is the S1 sound made by closing of valves,…

A: Heart is the pumping organ in the body. It pumps the blood to various parts of the body.

Q: The heartbeat is regulated by the cardiac conduction system and includes five different components.…

A: The heart is divided into a right and a left side along its midline, both the chambers in turn are…

Q: The heartbeat is regulated by the cardiac conduction system and includes five different components.…

A: The heart is the main organ in the circulatory system that is responsible for pumping blood to all…

Q: What are the names of the 4 valves located in the chambers of the heart?

A: The heart is a muscular pumping organ that pumps the oxygenated blood throughout the body through…

Q: Can the intraventricular septum prevents the electrical activity from stimulating the heart in a…

A: The intraventricular septum is present between two ventricles of the heart, generally preventing…

Q: What causes the heart sounds S1 and S2?

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

Q: Which of the following contributes to 1st heart sound during systole? Select one: Flow of blood…

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

Q: Which heart sound is the loudest sound when auscultated, the lubb or dupp? Why?

A: There are four types of heart sounds which are S1, S2, S3, and S4. The S1 and S2 are considered as…

Q: Which chamber of the heart sends blood to the lungs? :_______________ Which valve prevents backflow…

A: The circulatory system, is a system of organs that includes the heart, blood vessels and blood which…

Q: Why is the left side of the heart larger than the right?

A: The right side of the heart is designed to pump the blood into the lungs and then to receive oxygen.…

Q: The cardiac cycle includes all the events associated with the flow of blood through the heart during…

A: Human heart is four chambered. The left half of the heart act as the pump for systemic circulation…

Q: How would heart function be affected if the AV valves did not completely close during ventricular…

A: In humans, the heart has four chambers, two atria, and two ventricles. The right atrium receives…

Q: Where is the pacemaker of the heart located? What is it called? Trace the path of electrical…

A: The heart is a muscular organ located between the lungs slightly to the left. It functions in…

Q: Blood flow into the _______________ would ________________if the right side of the heart failed.…

A: Introduction: To supply blood, the heart encloses four chambers. The blood flow cycle is completely…

Q: A pacemaker is a small device that is placed in the chest or abdominal help control abnormal heart…

A: Introduction A pacemaker is a small, battery-operated device used to control an irregular heart…

Q: What is the ejection fraction of the heart, and which amount of ejection friction is considered…

A: Heart is vital circulatory organ found in vertebrates and some of invertebrates. This essential…

Q: visceral pericardium endocardium myocardium parietal pericardium pericardial cavity The heart is…

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

Q: Cardiac output is determined by what two variables ? preload and afterload end - diastolic volume…

A: Cardiac output, otherwise called heart output, is a term utilized in heart physiology that portrays…

Q: Why do you think it is important for heart valves to ensure that blood flows in only one direction…

A: Human heart is the Center for regulating blood across the body. It is made up of cardiac Muscles…

Q: Which of the terms in the following pairs is correctly matched? Group of answer choices Heart…

A: Let us first understand the concept before matching A. Systole occurs when the heart contracts to…

Q: What factors increaase the force of contraction of the heart and what factors decrease the force of…

A: Heart is one of the vital organs of a human body. It is responsible for pumping blood through the…

Q: During the isovolumetric periods there is no change in volume.

A: Isometric contraction or isovolumetric  period is an event that occurs in the early stages of…

Q: What type of blood is found in the perch heart? Oxygenated or deoxygenated or both? How does your…

A: Answers :  Only oxygenated blood is found in the search heart

Q: Which of the four chambers of the human heart has the thickest muscular walls?

A: The cardiovascular system consists of the heart, blood, and blood vessels and is also known as the…

Q: Which of the following event occurs when the pressure in the atrium is greater than in the…

A: The cardiac events that occur from beginning of one heart beat to beginning of the next are called…

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: Which of the following is the correct sequence of blood flow through pulmonary circulation? Group…

A: Introduction:  Blood circulation in our body is known as double circulation  since the blood flows…

Q: The cardiac cycle includes all the events associated with the flow of blood through the heart during…

A: An electrocardiogram (ECG) is a recording of the electrical changes that occur in myocardium during…

Q: Which side of the heart is considered the pulmonary pump? What is the destination of blood from the…

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

Q: What is the correct sequence for flow of blood in the heart? o Superior vena cava → right ventricle…

A: The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps…

Q: The first sound of a cardiac cycle occurs when the _____ and ______   (select them in alphabetical…

A: Introduction: The sequence of alterations in the flow and pressure in the cardiac chambers and the…

Q: Which of the following volumes should be the greatest? end-diastolic volume (EDV) stroke…

A: The cardiac cycle contains two phases, the systole, and the diastole. In the systole phase blood is…

Q: mr. Holmes, a 72-year-old Caucasian male, suffered a heart attack which resulted in damage to a…

A: The cardiovascular system is a vital division of the body's circulatory system that concerns the…

Q: Which of the following are pacemakers of the heart? Choose all that apply. AV node SA node Cardiac…

A: Pacemakers- Electrical impulses generated by the heart muscle that causes the heart to beat…

Q: During the production of the waveform of the EKG indicated by the arrow, blood would pass through…

A:

Q: Explain why listening to the heart sounds can be clinically important.  In other words, what can…

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