mean arterial pressure is a product of  heart rate and cardiac output none of the abouve cardiac output and total peripheral resistance stroke volume and heart rate

Q: Bob has a body mass of 74 Kg His blood pressure is 134/74 Heart rate is 68 b/min His cardiac…

A: Given: Body mass of Bob = 74kg blood pressure = 134/74 heart rate =68 per minute  Cardiac output =…

Q: An individual s venous return to the heart at this moment contains much less oxygen than it did…

A: Less oxygen in the venous blood means that oxygen has been extracted and is being used in the…

Q: What is the effort of different types/intensity of exerise on heart rate

A: We can measure exercise intensity using target heart rates, the talk test, or the exertion rating…

Q: The average amount of blood pumped each minute by a healthy heart is about: 70 mL 10 liters 490 ml 5…

A: The cardiovascular system is composed of the heart, blood, and blood vessels including arteries,…

Q: cardiac cycle includes all the events associated with the flow of blood thre heart during a single…

A: Heart consists of four chambers, two upper chambers called atrium. and two lower ventricles. All…

Q: Upward deflection due to ventricular repolarization = P wave O PR interval O QRS complex O Twave

A: Electro Cardiogram ECG is a device that measures the impulse of the heart. It specifically tests the…

Q: During strenuous exercise, blood flow will redistribute primarily to the       Liver

A: When a person starts  strenous exercising, the cardiovascular system undergoes few changes to meet…

Q: Extreme increase in the heart rate can cause a decrease in the CO if ventricular filling is…

A: The amount of blood the heart pumps per minute is known as cardiac output, and it is measured by…

Q: Maximum aortic pressure during the cardiac cycle is called pressure

A: The human heart is a muscular organ which pushes blood into the circulatory system's arteries and…

Q: Blood flow in the heart from right atrium to right ventricle to pulmonary arteries to the lung in…

A: The heart, blood vessels like arteries, veins and capillaries are part of the circulatory system of…

Q: constriction of a blood vessel to one-half of its resting diameter would increase its resistance to…

A: The answer is 16.

Q: Which of the following occurs during ventricular diastole? Blood returns to the heart Blood is…

A: We know that the Cardiac cycle is a repetitive cycle where a heart performs its functions. This…

Q: The pulse rate will on standing and the pulse rate standing after 5 minutes will to normal.…

A: Pulse rate is commonly called heart rate, and it refers to the number of contractions caused by the…

Q: The pacemaker potential describes a slow depolarization of the membrane from -60 mV to -40 mV to…

A: A small structure known as the sinoatrial node (SAN) is located in the right atrium, close to the…

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: The heart is resting during Select one: ventricular systole. the ejection period. ventricular…

A: Cardiac cycle The cardiac events that occur from the beginning of one heart beat to beginning of…

Q: Smooth muscle is responsible for vasoconstriction. True O False

A: Cells are the basic structural and functional unit of all known organisms which help in the process…

Q: In blood pressure measurement using stethoscope, the first heard sound (crashing sound) of the…

A: The human heart have four chambers and can be divided into two separate pumping systems, the right…

Q: What would be the drawback of cardiac contractions being the same duration as skeletal muscle…

A: Introduction: The cardiac muscles are responsible for pumping blood into the blood vessels through…

Q: Describe what the following variables are and how each impacts cardiac output: End diastolic volume,…

A: The amount of blood that the muscular thoracic cavity organ called the heart pumps in a minute…

Q: Relationship between pressure, volume and ECG Systole Pressure (mmHg) Volume (ml) ECG 120 80- 40-…

A: The cardiac cycle encompasses the series of events that occur during each heartbeat to facilitate…

Q: Which chamber of the heart has to contract against the greatest afterload?     right ventricle…

A: Afterload is the pressure which heart has to overcome to open the aortic valve and eject the blood…

Q: Which organs or tissues get a lot of blood flow as exercise is happening? Skeletal muscles Skin…

A: The distribution of blood flow during exercise is a complex and highly regulated process. It's…

Q: The maximum amount of blood within the left ventricle just before the start of isovolumic…

A: The circulatory framework, likewise called the cardiovascular framework or the vascular framework,…

Q: On an ECG erratic waves indicates. and is associated with O ventricular fibrillation, second-degree…

A: A human heart is a four-chambered muscular organ that is used to pump blood to different parts of…

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: Number of double circulations completed by the human heart per minute under resting conditions is

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

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: A person’s blood pressure is measured as 110/70 mm Hg. The diastolic pressure is 110 110 is the…

A: Blood pressure is influenced by the contractile activities of the heart and conditions and…

Q: 5

A: The muscle system of the human body is an organ system that comprises both the voluntary and…

Q: The cardiac action potential is substantially longer than a neuron potential due to: spontaneous…

A: Cardiovascular activity is a short-term change in electrical activity in the lining of the heart…

Q: what is the clinical term for the esffect on heart activity when adrenalin binds to receptors of…

A: Heart plays a major role in the circulatory system with supplying blood to all the different parts…

Q: During diastole the blood pressure in the left ventricle is A lower than the pressure in the left…

A: We can say that The heart is a highly muscularized, involuntary organ of the body. It has four…

Q: Main factors that affect stroke volume. preload contractility afterload autonomic nervous system

A: To understand the principles of cardiac stroke volume it is necessary first to define the cardiac…

Q: An increase in which of the follovwing will produce an increase in the mean arterial pressure? O All…

A: Cardiac muscles are striated muscles present only in the heart. Average blood pressure in the…

Q: If stroke volume is 0.1 liters and heart rate is 100 beats per min, what is cardiac output? Group of…

A: Cardiac output (CO) is the measure of how much blood your heart pumps each minute. It is calculated…

Q: Which of the following normally has the greatest fluctuations in blood pressure due to their low…

A: Different blood vessels have their different physical properties. The diameter and their response to…

Q: If ECG of patient shows a P-wave to P-wave interval time of 720 milliseconds, calculate the heart…

A: On ECG, each PQRS complex corresponds to each beat or each cardiac cycle. Hence the distance between…

Q: Which of the following changes to blood flow is expected to occur as a result of dynamic exercise?…

A: Blood is pushed through the blood vessels by the action of the heart and it is circulated throughout…

Q: Amount of blood that is pumped out of the ventricle with each heartbeat. Stroke Volume Blood Supply…

A: The heart is a muscular organ which supplies the blood  through the blood vessels to the whole body…

Q: Which of the following would increase flow? Vasoconstriction of the artery An increase in blood…

A: Blood flow is defined as the movement of blood through an organ, tissue or a vessel. The contraction…

Q: A blood pressure of 130/80 is measured using an instrument that measures blood pressure called a…

A: Ans: Blood pressure: It is the pressure in the arteries or the circulatory system is referred to as…

Q: When using a sphygmomanometer and a stethoscope to determine blood pressure, what is the basis for…

A: Sphygmomanometer is a device that is used to measure blood pressure of the body. This is done by a…