cardiologist, a high risk individual with angina pectoris during exercise was informed that his coronary blood flow is reduced. The most important variable that determines resistance to blood flow in his blood vessels is most likely:     increased viscosity of blood from not exercising.     the length of the

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: Prompt: Plot the tension in the left ventricle over the length of cardiac cycle, assuming that only…

A: Cardiac cycle is defined as the electrical and mechanical events that occur from the beginning of…

Q: Review Concepts 42.1-2. Match the term and its description. Each term can only be used once. The…

A: The pulmonary circuit transports blood to the lungs from the heart. whereas the Systemic circuit…

Q: Which of the following at-home measures may help treat and prevent varicose veins? (Select all that…

A: Varicose veins is a condition characterized by enlarged, twisted and swollen veins mostly in the…

Q: Label: aorta,apex, chordae tendineae, cusp, interventricular septum, L. atrium, L. ventricle,…

A: The heart is a muscular organ that pumps blood through the circulatory system. The oxygenated blood…

Q: Chordae tendineae: Group of answer choices hold the AV valves in place. contract when the heart…

A: The papillary muscles of the heart are connected to the mitral and tricuspid valves cusps by thin…

Q: Exercise immediately increases end-diastolic volume.true/false

A: Long term cardiovascular advantages can be gotten by work out. Decreased resting pulse, improved…

Q: describe the different blood vessels, structures, and functions of the body.  In the description,…

A: Blood vessels run through our entire body, and it measures about 100,000 miles long. They play an…

Q: Match the description with the proper organ/structure/function. Arteries [ Choose ] [Choose ] Beats…

A: Arteries ------>carry oxygenated blood throughout the body. Venous system------>series of…

Q: The maintenance of pressure in the arterial tree in diastole is primarily related to which of the…

A: *The arterial system is divided into layers called tunics, which include the tunica intima, tunica…

Q: Differentiate the histology of the artery from the vein according to the ff. parameters: valves…

A: Introduction:  The transport system of the body is the circulatory system. Transport of all…

Q: An increase in heart rate leads to a increase in arterial pressure leads to a in end diastolic…

A: The heart is the central organ of the cardiovascular system of the body. It is a myogenic organ that…

Q: or ie decregsed (cuch ge in co ntraction

A: A network of blood vessels are involved in circulating blood to all the parts of the body. The heart…

Q: Structures related to the coronary blood flow. Discuss meaningfully.

A: Introduction: Coronary blood flow, also known as coronary circulation, is the flow of blood through…

Q: The variable which has the biggest effect in regulating blood flow and vascular resistance is:…

A: Human blood is the most prevalent fluid found in a body that flows throughout under high pressure…

Q: Identify veins and venues systems

A: Veins These are the blood vessels that carry deoxygenated blood from the tissues and organs to the…

Q: Describe blood flow through the cardiac system including side of the heart, oxygenation of blood,…

A: The cardiovascular system of the human body is made up of the heart, blood, and blood vessels that…

Q: How can angina be distinguished from myocardial infarction?

A: Each and every cell of the body requires oxygen and nutrients to carry out metabolic processes.…

Q: ventricle sinus venosus ventricle conus arteriosus capillaries of lunas

A:

Q: A normal patient has an ECG monitor attached to him/her as he/she Slar S exercises at the gym. The…

A: Blood flow through the heart Blood comes into the right atrium from the body through superior and…

Q: Arteries carry blood away from the heart. The smallest blood vessels are called arterioles. The SA…

A: Blood vessels help in the flowing of blood throughout the body. Arteries transport blood away from…

Q: The administration of a drug that decreases venous compliance will lead to an increase in stressed…

A: Drug administration is the most common way of delivering drug substances into a living life form to…

Q: Read about Pressure and Volume Changes in the Cardiac Cycle. Create a curve showing the Pressure and…

A:

Q: Identify the component of the heart’s electrical conduction system that fits each description below:…

A: Cardiac cycle is an event which involves with continuous relaxation as well as relaxation of heart…

Q: In microcirculation, the contraction of precapillary sphincters results in an : choose the correct…

A: Microcirculation is defined as the circulation of blood in the small blood vessels, including…

Q: Aorta Pulmonary trunk Superior vena cava Inferior vena cava Interventricular septum Myocardium…

A: Heart is muscular organ that helps the continuous flow of blood in body.

Q: Cardiovascular: How does the PSNS alter a pacemaker action potential? Give the mechanism.

A: The cells of the heart have a specialized function of initiating and conducting impulses for the…

Q: All correct about arterioles Except 0/1 one Play a major role in regulating local blood flow. Play a…

A: To retaining  arterial pressure arterioles contribute and tissue execution  because they are…

Q: What is the easiest way to change blood flow?     change vascular resistance     change blood…

A: Blood flow in the heart has the following steps- Body organs and tissues---- Inferior/superior vena…

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

A: The technique in which the function of the heart is replaced by a machine that is able to circulate…

Q: Cardiovascular: How does the SNS alter a pacemaker action potential? Give the mechanism.

A: The sympathetic nervous system (SNS) influences cardiovascular outcomes such as heart rate…

Q: Mean arterial pressure is likely to decrease when Oblood viscosity decreases heart rate increases…

A: Mean arterial pressure (MAP) is one of the key indicators of cardiovascular health. It is a measure…

Q: Describe the role/function of the coronary circulation.

A: Introduction Large and muscular in nature, the heart constantly pumps oxygen-rich blood to the brain…

Q: Detail the cardiac cycle. Include: what is happening in each phase, heart sounds, etc.

A: Cardiac cycle is the action of the pumping of the heart thereby supplying blood to different parts…

Q: ollowing components of the cardiovascular system and describe how they achieve their functions…

A: Answer Cardiovascular system transports blood which carries Oxygen, nutrients as well as hormones…

Q: . In a normal individual, heart rate can be determined by the in an ECG.

A: ECG stands for Electrocardiogram.  It is a test which measures the electrical activity of heart.…

Q: Inadequate tissue perfusion in hypovolemic shock occurs due to:   Question 9 options:   Decrease…

A: Hypovolemic shock is a medical emergency condition characterized by a severe decrease in the volume…

Q: The semilunar valves prevent blood from moving: Group of answer choices from the atria back into…

A: The heart is composed of four chambers that are- two atriums and two ventricles. Different valves…

Q: e heart and circulatory system and the importance of healthy heart function.

A: The pumping mechanism of the heart normally maintains and regulates the balance between cardiac…

Q: Explain why diet, exercise, and low stress are all important for cardiovascular health

A: It refers to the health of the heart and blood vessels.

Q: What is the most common complication within 24 hrs. after a myocardial infarction? im stuck between…

A: A myocardial infarction (MI), generally known as a coronary failure, happens when the blood stream…

Q: Explain the nature of blood flow and pressure regulation in the following system; the capillary…

A: A complex network of blood vessels carries blood from the heart across the body. The arteries lift…