Why is the delay in electrical conduction between the atria and the ventricles important? Tachycardia results if the delay is absent. Atria must contract to fill the ventricles with blood. AV valves must have time to close slowly. Bradycardia results if the delay is absent.

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: Match each function to the correct cardiac valve. Prevents backflow of blood into the left atrium.…

A: Heart pumps blood to the body. Heart of mammals and birds has four chambers, 2 atria and 2…

Q: Which of the following sequences is truly a systemic circulation pathway? A Right ventricle →…

A: The cardiovascular system is also called a vascular system. The cardiovascular system consists of…

Q: Leaky Na+ channels in the cells of the SA Node do which of the following?   a-allow a slow…

A: d-allow a slow depolarization that eventually reaches the threshold for voltage-gated Ca2+ channels.

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: Which of the following statements is correct? Group of answer choices Veins carry blood away from…

A: Veins  Veins are blood vessels that carry blood towards the heart. Stenotic heart valve Valve that…

Q: Capillaries are very narrow and leaky. Which functions do those characteristics enable? Pick ALL…

A: Capillaries are the tiny blood-containing structures that establishes the connection arterioles to…

Q: Which of the following features applies to the aorta? semilunar valves present along the length…

A: The aorta arises from the left ventricle. The heart has two atrium and two ventricles. The aorta is…

Q: Which of the following is most likely to be present on the resting EKG recording of a patient with…

A: AV node is among the initial areas where conduction abnormalities can be detected on an ECG. Blocks…

Q: The blood vessels with venous blood proceeding from the right ventricle to the lungs are the Group…

A: Heart : It consists of four chambers i.e. right atrium, right ventricle, left atrium and left…

Q: Looking at the wiggers diagram Which of the letters A-F would be the point when semilunar valves…

A: The stress exerted by pumping blood on the artery walls is called blood pressure. Blood pressure is…

Q: Give a detailed diagram design of cardiopulmonary bypass machine and how it functions.

A: Cardiopulmonary bypass: A technique called cardiopulmonary bypass is performed at the time of…

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: Sino-atrial node is called the pacemaker of our heart. Why?

A: The SA (sino-atrial) node is a neuron’s specialized bundle that is located in the upper part of…

Q: During the cardiac cycle shown in the graph above the ventricles eject _______ of the blood they…

A: The cardiovascular system consists of the heart and the blood vessels. The heart is the pumping…

Q: Fill in the blanks: The first heart sound is called __________and it is caused by the closing of the…

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

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: 0.2 0.4 0.8 0.6 In the ECG above, which portion of the graph corresponds to the electrical activity…

A: ECG - talks about electrical property not about functional properties of the heart. An instrument to…

Q: Right and Left Ventricular pressures differ during:   the entire cardiac cycle diastole systole the…

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

Q: Which vessel would blood in the right coronary artery pass through next?   A anterior…

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

Q: The ___ valves are positioned between the ventricles and blood vessels.

A: Heart valves run in one direction because it prevents the backflow of blood and blood flows in a…

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

A: This question is based on the physiology of heart.

Q: potential

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

Q: Which point on the PV loop corresponds to the opening and closing, respectively of the aortic valve?…

A: Introduction :  PV loop derived from pressure and volume data found from cardiac cycle. If left…

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

A: Introduction :- A ventricle is one of two big chambers towards the bottom of the heart that collect…

Q: When during the cardiac cycle do ventricles contain their maximal amount of blood? At the end of…

A: Cardiac cycle is referred to as the time period between the contraction of atria and the relaxation…

Q: In a patient with _______ some of the oxygenated blood returning to the left atrium would be pumped…

A: The blood enters the heart's right atrium from the body, where it moves to the right ventricle and…

Q: Which is not true about our heart A. ventricular systole squeezes blood to the lungs and the body B.…

A: Heart is a muscular organ that helps puno blood to different body organs. It has four chambers,…

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

A: Cardiac valves present in the heart regulate the flow of blood from one chamber of the heart to the…

Q: which of the following groups is most related to the pumping function of the heart? Explain the…

A: The heart is a muscular organ the size of a fist that is found directly behind and considerably to…

Q: In atrial fibrillation, the atria do not contract correctly, and not all blood exits this chamber.…

A: Pulmonary embolism can be a serious complication resulting from right atrial fibrillation. One of…

Q: Which of the following acts as the natural pacemaker of the heart? Group of answer choices SA node…

A: Heartbeat is an electro conductive impulse. This impulse is generated in heart itself at a…

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: Identify in the picture all the following: 1. Right Auricle (atrium), -2. left Auricle (atrium),…

A:

Q: The input and exit valves to the ventricles are located in a superior position to the lumen.  What…

A: The heart is the organ that pumps the blood to the other parts of the body. The oxygenated blood…

Q: When the ventricles contract with more force this causes the _____ volume to be larger and the ____…

A: Ventricles   The two large chambers present towards the bottom of the heart. The main function of…

Q: The first heart sound represents which portion of thecardiac cycle?a. atrial systoleb. ventricular…

A: The heart is a hollow muscular organ. It pumps the blood via circulatory system through rhythmic…

Q: The short horizontal line between the P wave and the QRS complex indicates that   a-depolarization…

A: * The electro cardiogram will shows following waves  P wave  Q wave R wave  S wave  T wave  U wave…

Q: Deoxygenated blood is returning to your heart from your head. What is the order of the structures of…

A: Heart is a chief pumping muscular structure which helps in sending oxygen rich blood to all parts of…

Q: What is the correct path through the circulatory system which describes the passage of blood…

A: Closed circulatory system is a type of circulatory system in which blood flows inside the blood…

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: The ___ valves are positioned between the atria and the ventricles.

A: Heart the mesodermally derived organ, is situated in the thoracic cavity in between the lungs,…

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: Why is resting heart rate somewhat slower than the 80–100 bpm set by the SA node? The AV bundle…

A: Heart rate refers to the rate or the number of beats in one minute. Heart rate differs between…

Q: What keeps the atrioventricular (AV) valves from being pushed open as the ventricles contract?…

A: The heart is responsible for pumping enough blood to provide the brain and other internal organs…

Q: What is the consequence of the prolonged plateau of depolarization in ventricular myocytes?   a-it…

A: the consequence of the prolonged plateau of depolarization in ventricular myocytes.

Q: Which of the following statements regarding congestive heart failure is correct? Group of answer…

A: Congestive heart failure (CHF) is a condition when muscles of the heart are affected to pump the…

Q: In the cardiac cycle tracings below, rapid ventricular filling occurs at which point on the figure?…

A: Introduction:- In cardiac cycle rapid ventricular filling occurs in atrial systole when the…