Q: how five variables change over time when blood volume decreases
A: The cardiovascular system consists of the heart and the blood vessels. The heart is the pumping…
Q: which arrhythma refers to rapid, random, inefficient, and irregular contrations of the atria and…
A: Arrhythma is defined as the speed of heart beat which may be slow and fast . Bradycardia = slow…
Q: Part A - Why do arteries have many more elastic fibers than veins? O They have less pressure during…
A: Why do arteries have many more elastic fibers than veins:
Q: Physiology and Anatomy of Circulatory System
A: Blood - General - Formed elements (45%) suspended in plasma (55%). - 8% of body weight. 5-6 L…
Q: What causes heart murmers in diastole and in systole
A: Diastole:It is the phase of the heartbeat when the heart muscle relaxes and allows the chambers to…
Q: During the Cardiac Contraction cycCle, EARLY ventricular systole is characterised by
A: ventricular systole- It is a phase of cardiac cycle in this the left and right ventricles contract…
Q: Differences between Open and Closed Circulatory systems and explain. How does blood clotting…
A: Circulatory system: To receive oxygen, the circulatory system pushes the blood from the heart to the…
Q: The AV node fires, traveling down the Bundle of His Branches and to the Purkinje Fibers. This causes…
A: The atrioventricular node (AV node) is present near the coronary sinus opening. The specialized…
Q: Label structures of the heart...
A: Given: To label the structure of heart. The heart is the important organ in human body and it pumps…
Q: Why calcium imbalances affect contractility; changes in cardiac function associated with…
A: Calcium is found to be one of the minerals that are essential for life. It plays a major role in…
Q: Why low capillary blood pressure is desirable
A: Capillaries are microscopically thin blood vessels in the circulatory system. They are the sites of…
Q: Anatomy : summary of the Arteries of systemic circulation: topography of the aorta, branches of the…
A: Blood circulates throughout the body through blood vessels. There are two types of circulation:…
Q: The mathematical relationship between peripheral resistance and vessel radius; why this is related…
A: Blood is a non-Newtonian fluid, thus it is better analyzed using rheology rather than hydrodynamics.…
Q: relation between electrocardiogram and arrhythmia
A: The rate of heartbeat and the problem associated is an arrhythmia. The heartbeat may be too fast or…
Q: The isovolumetric contraction in ventricles appears:
A: Isovolumetric contraction in general means that although contraction takes place in the ventricles,…
Q: The elastic properties of the arteries are essential for blood flow. Explain the importance of this…
A: Arteries and the blood are the components of the circulatory system of an organism. Circulatory…
Q: The sinoatrial node is also called the A. PacemakerB. Action potentialC. Resting membrane potent
A: Heart is an important organ that pumps blood. Heart is myogenic in nature meaning it is capable of…
Q: Why physical inactivity can lead to venous
A: Lack of physical excercise can cause various complicaation in the bodys such risk of heart disease…
Q: The difference between blood flow and perfusion
A: Blood flow refers to the movement of blood while perfusion is the amount or volume of the blood that…
Q: Effect of adrenaline on heart rate and contractility
A: Adrenaline is a hormone released from the adrenal glands and its major action, together with…
Q: Factors that affect blood pressure
A: Blood pressure is the amount of pressure that is applied to the circulating blood vessels OR It is…
Q: Blood flows from the ascending aorta right into the thoracic aorta.TRUE or false
A: The circulatory system is composed of the heart, arteries, capillaries, and veins. It transports…
Q: different types of arrhythmia
A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…
Q: erpreting an ECG ECG interpretation. Following are two tracings for which you will calculate the…
A: 2.To calculate the heart rate multiply the number of QRS complexes by six. In tracing 1: there are…
Q: how Physiological effects it impacts upon the body system. for coronary heart disease
A: Coronary heart disease is caused due to the narrowing of the coronary arteries. The coronary…
Q: Three ways of quantifying the RBCs andhemoglobin level of the blood; the definition and units of…
A: Red Blood Cells(RBCs) are one of the types of blood cells that play a major role in the…
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: Interpretation of Electrocardiogram for identification of arrhythmia in different heart disease
A: Electrocardiogram (ECG) is the method used to determine functioning of heart and its abnormalities.…
Q: Why physical inactivity can lead to venouspooling; consequences of venous pooling
A: The blood is the primary transport medium of the body. It is transported through several vessels…
Q: importance of smooth muscle cells present in the aorta
A: Introduction :- Smooth muscle cells (SMCs) are non-striated, involuntary muscle cells that line the…
Q: The marks a spot of dead myocardial cells. How does this change the depolarization and muscle…
A: Myocardial cells myocardial cells are located in the heart forming a branched network in the heart,…
Q: Why the venous thrombosis occur more than in the artery
A: Thrombus formation is a blood clot that remains attached to a blood vessel wall. It prevents blood…
Q: Flow of the blood through the heart
A: The plasma, blood cells, and platelets that form blood circulate throughout the body through blood…
Q: Effect of physical activity on heart rate if results are recoded on ECG
A: An electrocardiogram (ECG) is an instrument that records the electrical signal of your heart to…
Q: Which vessels contribute most to altered systemic blood pressure when their smooth muscles contract…
A: Arteries carry blood away from the heart, whereas veins carry blood to the heart. Arteries branch to…
Q: Assuming that the cardiac cycle begins at the end of diastole put the following ventricular phases…
A: The correct order of occurance of Ventricular phase is:- 1)Isovolumetric contraction phase…
Q: Effect
A: Atropine is a naturally occurring tropane alkaloid extracted from Deadly nightshade (Atropa…
Q: The period of ventricular filling - O phase 1 of pacemaker action potential O phase 3 of contractile…
A: Heart remains in systole for about 0.3 seconds and diastole for 0.5 seconds. The diastole is a…
Q: After his accidents Christopher Reeves heart would stop beating eventually because the breaking of…
A: Answer : False
Q: What is a Holter monitor? Under what circumstances would one be ordered for a patient?
A: Since you have posted multiple questions and few questions have been answered already, we will…
Q: EDV, ESV, SV and CO of the heart.
A: The heart has two separate pumps where the blood flows in a unidirectional aspect from the right…
Q: In a normal beat the heart ejects about 90% of the blood in its chambers. True False
A: Heart is an organ which helps in pumping of blood through the blood vessels of circulatory…
Q: Effect of hypoxia on the cardiovascular system with results recorded on ECG
A: The cardiovascular system is an essential system in the body, that is responsible for pumping blood…
Q: . A series of simple, well-labelled, schematic diagrams to illustrate the chambers of the heart and…
A: CHAMBERS OF HEART..
Q: Relationship between decompensation of heart failure and acute renal failure
A: The presence of uncontrolled hypertension and coronary artery disease can result in the progression…
Q: The left and right sides of the heart are separated by a structure called the ___ .
A: Heart is chief pumping organ in the circulatory system which supply blood to each and other parts of…
Q: a. Differences between: ii. Typical and atypical ova of Capillaria philippinensis
A: Nematodes are the organism belongs to animal kingdom . They are round worms which comprises of…
Q: Movemen of ions into/out of cardiac cells that allow for automaticity…
A: Depolarization of cardiac cells happens due to the diffusion of Na+ ions into the sinoatrial nerve.…
How the Frank–Starling law of the heart matches stroke volume to venous return.
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- . A series of simple, well-labelled, schematic diagrams to illustrate the chambers of the heart and how the movement of blood is controlled through the atrioventricular and semilunar valves. . A table to summarise the key differences in heart structure between fish, reptiles, birds, and mammals.What part of the heart act as a shock absorberEffect of atropine on heart physiology if ECG is performed
- The mathematical relationship between peripheral resistance and vessel radius; why this is related to the laminar flow of blood; and why it makes vasoreflexes such a powerful influence on blood flowWhich vessels contribute most to altered systemic blood pressure when their smooth muscles contract or dilate,large muscular arteries,small muscular arteries,or arterioleshow five variables change over time when blood volume decreases