Describe the action of the tricuspid valve when you squeezed the water-filled right ventricle.

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: 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: The coronary arteries branch off of the ________.a. aortic valveb. ascending aortac. aortic archd.…

A: The human heart is a four-chambered muscular organ that pumps blood throughout the body. It pumps…

Q: Compare action potential of pacemaker and non-pacemaker (working) myocardial cells?

A: Cell can be defined as the basic membrane-bound unit which contains the fundamental molecules of…

Q: A patient has heart murmur associated with mitral valve. How will this affect the ECG? Explain.

A: A heart murmur is a clinical condition in which the flaps associated with the mitral valve cannot…

Q: Between which times is the valve between the atrium and the ventricle closed?

A: The cardiac cycle consists of a Systole and a Diastole of atria and ventricles Each Cardiac cycle…

Q: The valves which allow blood to flow from the ventricles into the arteries and not in the opposite…

A: The valves are the muscular flap like structures that are present between the two chambers of the…

Q: Compare the structure of the left atrioventricular valve with that of the aortic valve.

A: Human heart has four chambers. It is a muscular organ whose shape is like a person’s closed fist The…

Q: Why would venous valves be unnecessary in the jugular veins of the neck?

A: Veins The veins carry oxygen depleted blood from different body parts to the heart. The veins are…

Q: What roles do the chordae tendineae and papillary muscles have in the normal function of the AV…

A: The heart is the muscular organs of the cardiovascular system.

Q: Interpret ventricular fibrillation from ECG with graph

A: In ventricular fibrillation, the ventricles attempt to contract at rates up to 500 beats per minute.…

Q: The finest passages through which electrical signals pass before reaching the ventricular…

A: Introduction: The muscle of heart is composed of small cells through which electrical signals are…

Q: the amount of blood pumped by the ventricucles each is referred to as

A: The heart of a human being consists of 4 chambers with two on the right side and two on the left…

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: Name the sound produced when the atrioventricular valves close the heart.

A: The heart has four chambers through which the blood flows when the cardiac valves open and close…

Q: corresponds to: A. Right ventricle B. Left Atrium  C. Right Atrium D. Left ventricle

A: Left atrium is the upper right chamber of heart .

Q: If an embolus formed in the left ventricle, it would pass through:

A: The risk of left ventricular thrombus formation is highest during the first 3 months of acute…

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

A:

Q: Describe the components of the left atrioventricular valve.

A: The heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The…

Q: Interpret Ventricular tachycardia from ECG with graph

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

Q: Right ventricular pressure is always the same as left ventricular pressure

A: Our heart is divided into four chambers. Two ventricles and two auricles. Our heart is divided into…

Q: Explain why the walls of the atria are thinner than those of the ventricles, and why the wall of the…

A: The walls of Artria are thinner than Ventricle because the artria are only receiving chambers…

Q: which ventricle ejets more blood

A: Answer.   Considering a few cardiac cycles it is found that left ventricle pumps more blood than the…

Q: Starting outside the parietal pericardium, list the different layers you would cross to get into the…

A: Left ventricle is one of the two chambers of left side of heart or one of the four chambers of whole…

Q: Which of the following structures acts to carry electrical impulse to the ventricles?…

A: The heart, in the simple words, a pump consisting of muscle tissue. Like all muscles the heart…

Q: As blood in the ventricles surges back against the closed AV valves, the first heart sound lubb can…

A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Q: Explain why it is more efficient for contraction of the ventricles to beginat the apex of the heart…

A: To answer this question we should have knowledge of Physiology.

Q: The degree of stretch experienced by the sarcomeres in the ventricle cells before they contract is…

A: The simplest functional unit of striated muscle is the sarcomere. Across two Z-lines, it is the…

Q: Which process is being illustrated in the diagram (see picture)? Semilunar valves closed…

A: In this question asked about the cardiac cycle.  Cardiac cycle is event in the heart contractions.…

Q: Internal Structures Function/significance Atrium (right & left) (plural – Atria)…

A: INTRODUCTION: Various internal structures of the heart is given the question stem and we have to…

Q: Mitral valve prolapse is a disease where the valve between the left atrium and left ventricle…

A: The mitral valve permits blood to flow from the left atrium into the left ventricle, but not in the…

Q: Place the blood vessels listed here in order from MOST pressure to LEAST pressure.

A: The circulatory system, also known as the cardiovascular system or the vascular system, is an organ…

Q: Fill in the blank:  During ventricular contraction, the A-V valves (tricuspid and bicuspid valves)…

A: Cardiac cycle is the event that is initiated by spontaneous generation of an action potential in the…

Q: Name the vesseks that drain blood into heart and state the chamber into which they empty.

A: The heart is a muscular pump that pushes blood through blood vessels distributed all over the body.

Q: Name the blood vessels that leaves left ventricle.

A: The Heart is a pear-shaped organ of the human present under the rib-cage, slightly tilted to the…

Q: than ventricular pressure while semilunar valves are open ventricular pressure is greater than…

A: Kindly repost the rest questions to be answered as I can only give answer to 3 subparts at once…

Q: What valve prevents the backflow of blood from the right ventricle into the right atrium? right…

A: One of the most essential systems in the human body is the circulatory system. It is made up of the…

Q: Give exact location of mitral valve and state its function.

A: The Mitral valve is the valve between the left atrium and left ventricle of the heart, consisting of…

Q: Calculate heart rate by counting the number of Large ecG Squares

A: The number of times a heart beats in a unit of time is called heart rate. Usually, it is measured as…

Q: The flaps of the atrioventricular valves are kept pointed in the direction of blood flow by…

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

Q: As blood in the ventricles surges back against the closed AV  valves, the first heart sound ("lubb")…

A: The heart is the hollow pumping organ of the body that is responsible for circulating the blood to…

Q: Name the valves that guard openings in the heart.

A: Heart  It is a muscular structure present in the body. It's function is to pump blood to various…

Q: Describe the general overall shape of the left and right cavities of the ventricles as observed in a…

A: The heart is the major organ of the circulatory system that pumps blood to the parts of the body. It…

Q: Name the blood vessels that leaves right ventricle.

A: The pump for the circulatory system is the human heart, and it is considered to be an organ of the…

Q: O the shutting of the heart valves

A: Option C . The shutting of heart valves

Q: Explain how sinoatrial node functions in the heartbeat action

A: The heart is the muscular organ of the cardiovascular system.

Q: Trabeculae ___ are visible on the inner surface of the ventricles

A: The human heart is four-chambered with two atria and two ventricles that help in pumping the blood…

Q: Why is it important that the AV node delay the electricalimpulse moving from the SA node and the…

A: The  AV node is a part of the electrical conduction system of the heart that coordinates the top of…

Q: The first heart sound is caused by turbulent blood flow which occurs as close(s). A only mitral…

A: Heart sound During each cardiac cycle two prominent sounds are produced. These are "Lubb" and "Dub"…