43. Right and Left Ventricular pressures differ during:   A. the entire cardiac cycle B. diastole C. systole D. the period of filling E. None of the above is correct.

Q: 104. In which of the following portions of the circulation is blood volume the greatest? OA) Cardiac…

A: Blood circulation takes place in 3 different ways,  Systemic circulation Coronary circulation…

Q: Compared to the ventricles, the atria ____.   A do not contract as many times per minute   B…

A: It also removes waste products from the body. It has three components: blood, heart and the blood…

Q: which of the following is the pacemaker of the heart?

A: Heart  Heart is the pumping organ of animals it is made up of cardiac muscles. The heart of human…

Q: What happens to preload when there is venousconstriction in the veins?a. It increases.b. It…

A: The heart is a muscular organ in most animals. It pumps blood through the blood vessels of the…

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: The trabeculae carneae are located in the __________.   A epicardium   B ventricles   C atrium…

A: Step 1 The trabeculae carneae or columnae carneae are either rounded or irregular muscular columns…

Q: The pulse pressure is a measure of a. the number of heartbeats per minute. b. the sum of the…

A: Blood pressure records two measurements: systolic pressure and diastolic pressure wherein systolic…

Q: In a healthy young adult, what happens to cardiacoutput when heart rate increases above 160 bpm?a.…

A: Cardiac output is also known as heart output. It describes the amount of blood being pumped by the…

Q: Sketch and discuss the most important waveforms associated to the cardiac cycle and what is the…

A: A sequence of alternating contraction and relaxation of the atria and ventricles in order to pump…

Q: The cardiac conduction system includes all of the following except:- a. the SA node. b. the AV node.…

A: Cardiac conduction system is made up of various muscles which send signals to the cardiac muscles…

Q: 1. The source of the electrical currents that you measured on the skin throughout a normal…

A: Note: According to the given guidelines, we are supposed to answer only one question (1st question).…

Q: Which of the following is NOT one of the functions of the cardiovascular system? a) To exchange…

A: The cardiovascular system or the circulatory system comprises the heart and the network of blood…

Q: To get from the right atrium to the right ventricle, blood flows througha. the pulmonary valve.b.…

A: To get from the right atrium to the right ventricle, blood flows through the right AV valve or…

Q: The atrioventricular valves open because ______.   A relaxation of the ventricles causes the…

A: Atrioventricular valves These are the valves which connect the atrium to the ventricles. There are…

Q: 1. Which phase of Ventricular Filling increases the volume of blood in the ventricles the most?…

A: The heart is a pump that transports blood through a network of arteries. Its function is to send…

Q: Blood flow in the coronary circulationa. increases during systole.b.increases during…

A: Coronary circulation is the circulation of blood in the blood vessels which supply blood to the…

Q: 23333 The aortic valve opens at which of the following lettered points on the ventricular volume…

A: Aortic valve is present between left ventricle and aorta.  Aortic valve opens during left…

Q: A circulatory pathway in which the blood flows through two capillary beds in series - before it…

A: The circulatory pathways direct proper flow of blood through heart, lungs, and various associated…

Q: During which of the following periods are the large elastic arteries distributing blood to smaller…

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

Q: 1. What happens when the pressure in the ventricles becomes lower than the pressure in the atria?…

A: Semilunar valves are valves of the heart and the shape of valves prevents the blood to flow back…

Q: If the pressure in the ventricles is higher than the pressure in the atria, but lower than the…

A: Heart valves open and close in response to pressure changes inside the heart chambers. the fluid…

Q: 48) Pericardial arteries supply blood to the a) outer heart muscle b) tissue of the aorta c) tissue…

A: The heart is located on the slightly left side of the sternum in front of the lungs where it pumps…

Q: 3. (1) List the major blood vessels and their origins involved in coronary circulation. (ii) At what…

A: Coronary circulation is the movement of blood throughout the vessels that supply the heart muscle.…

Q: The lining of the heart chambers is called the __________.   A endocardium   B myocardium   C…

A: The heart is the muscular organ that pumps blood throughout the body. It is made of cardiac muscle.…

Q: 1. Which statement describes the chamber marked with a star? O A. It is the right atrium, and it…

A: Question - 1. Which statement describes the chamber marked with a star? A. It is the right atrium,…

Q: 3.Define systolic and diastolic phases of the heart.

A: * Every single beat of heart of heart is called cardiac cycle. * And every cardiac cycle will have…

Q: Which of the following cardiac tissues has the most rapid conduction velocity? A)The AV node. B)…

A: Purkinje fibre situated in both ventricle myocardium

Q: It is generally accepted that a relatively low diastolic vascular pressure is more important than a…

A: The term blood pressure is used to describe the pressure exerted by the blood on the blood vessel in…

Q: 44. Left ventricular output is generally the same as right ventricular output. If right ventricular…

A: Cardiac output is the amount of the blood pumped by the heart per minute. On an average 70…

Q: Which of the following is/are true concerning the opening and closing of the cardiac valves? A.…

A: Backward blood flow is prevented by the valves. On each end of the two ventricles are flaps that act…

Q: The onset of Ventricular diastole is associated with: A. the closing of the aortic valve B. the…

A: Human heart is composed of two auricles (atria) and two ventricles. Cardiac cycle consists of…

Q: Which of the choices below best describes the systemic circulation of blood? a. The flow of blood…

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: Right and Left Ventricular pressures differ during: A. the entire cardiac cycle B. diastole C.…

A: The human heart is 4 chambered that is there are 2 auricle and 2 ventricle. The Diastole is the…

Q: 9. Right and Left Ventricular Pressures are the identical during:   A. the period of ejection B. the…

A: The duration between the start of one heartbeat and the start of next heartbeat is called single…

Q: The heart’s internal pacemaker beats by: a. an internal implant that sends an electrical impulse…

A: The heart is a muscular organ in numerous animals, which siphons blood through the veins of the…

Q: Which of the following would not increase Cardiac Output? A. increase blood epinephrine…

A: The amount of blood pumped by the ventricles in 1 minute is measured in terms of cardiac output…

Q: Which of these events occurs during (ventricular) systole? A)Only the left ventricle contracts.…

A: Diastole and systole are two phases of the cardiac cycle. Systole occurs when the heart contracts to…

Q: Which of the following statements is true?a. The longer the vessel, the lower the resistanceand the…

A: Blood is a fluid connective tissue that circulates all over the body delivering nutrients and oxygen…

Q: Give answer from image shown.

A: The cardiac physiology is defined as the study of the function of the heart that is healthy and…

Q: In which of the heart chambers would deoxygenated blood be found? A)left atrium and left ventricle…

A: Blood Circulation in Circulatory System: Through two large veins (inferior and superior vena cava)…

Anatomical Position

Anatomical position refers to the position in which an individual faces forward with their upper limbs stretched to both sides with palms facing forward. The standard anatomical position of the body is used to reference other anatomical aspects of the body.