In the intrinsic regulation of blood flow, which of the following is the response expected in tissue being used during exercise? Group of answer choices Active hyperemia Reactive hyperemia Both active and reactive hyperemia Autoregulation

Q: Measure systolic and diastolic blood pressure at rest and after exercise

A: KEY WORDS:- Blood pressure - Blood pressure (BP) is the exerted pressure in the arteries . Pressure…

Q: List and describe the functions of three types ofvessels in a cardiovascular system.

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: Describe the mechanisms of blood pressure regulation.

A: KEY WORDS :- RAA Pathway  - Renin angiotensin aldosterone pathway. Normal Blood pressure - 120/80…

Q: Explain how an action potential occurs in cardiac contractile fibers.

A: The automatic rhythmicity of the heart is its ability to contract spontaneously and at regular rate.…

Q: Given heart rate = 72 bpm, stroke volume = 70 mL, calculate cardiac output.

A: Stroke volume: All the blood from body enters into right atrium from where it is pumped into right…

Q: Discuss the regulation of cardiac output during exercise.

A: The cells are the primary unit of life. The cells form the tissues which collectively form an organ.…

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: . ECG depicts the depolarization and repolarization processes of a cardiac cycle. In the ECG of a…

A: The electrocardiogram (ECG) is the total amount of the action potentials of millions of…

Q: . Cardiac output In the late 1860s, Adolf Fick, a professor of physiology in the Faculty of Medicine…

A: As stated in the formula of Cardiac output by Fick, Cardiac output = Q / D Q is the number of…

Q: An elephant has an aorta that is approximately 8 cm in diameter and a restingheart beat of 35…

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Q: Countercurrent flow of blood and water is more efficient than concurrent flow because a … is…

A: Countercurrent flow is the flow of anything in opposite direction and concurrent flow is the flow of…

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: Explain differences between action potentials of cardiac muscle cells and those in nodal cells of…

A: On the surface of the heart, muscle fibers are arranged to form a fused interconnected mass termed a…

Q: List the directional changes that occur during exercise for the relevant cardiovascular variables.…

A: The human body is made up of different organs and organ system. There are 11 different organ systems…

Q: Describe the mechanisms that increase the cardiac output during exercise and that increase the rate…

A: When a person is exercising there are various circulatory changes that occur in his/her body. The…

Q: Describe the anatomy of movement of the wave of cell depolarization throughout the heart during the…

A: The cardiac cycle:It is comprised of a whole relaxation and contraction of both the atrium and…

Q: Describe the electrical events of a normal electrocardiogram (ECG).

A: Electrocardiograms also called ECGs or EKGs is a simple diagnostic machine that check the…

Q: Describe cardiac output, including the factors involved in its regulation.

A: Our heart can likewise expand its stroke volume by pumping powerfully & expanding the amount of…

Q: Due to poiseuilles low if the radius of the blood vessel is doubled, the flow rate Also doubled…

A: Blood is a fluid that runs throughout the body in order to transport oxygen and nutrients to the…

Q: In the initial stages of ventricular fibrillation (during which the heart produces no functional…

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: How does variation in hematocrit influence the hemodynamics of blood flow?

A: Hemodynamics refer to the factors responsible for blood flow.

Q: Considering the Starling forces (not cardiac Frank-Starling law) affecting fluid movement in a…

A: Starling hypothesis says that, fluid movement due to filtration on the wall of a capillary is depend…

Q: Referring to the following hydrostatic and oncotic pressures across a muscle capillary wall, which…

A: Capillary hydrostatic pressure is the outward pressure applied by the stream of blood on the vessel…

Q: What mechanisms would be responsible for shortening of the ST segment TP interval T wave TP interval…

A: Introduction :- Electro-cardiogram (ECG) is a medical test that measures the electrical activity of…

Q: In a cardiac contractile cell what is the mechanism involved in the change in membrane potential?…

A: The cardiac contractile cell undergoes various changes in order to perform several activities and…

Q: Given the following pathologies/conditions, match which factor in the blood flow equation will be…

A: Pathology Disease pathology or pathology is defined as the study of the disease and its underlying…

Q: difference

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Q: xplain the following as applied in Hemodynamics;

A: Hemodynamics is the movement or physical factors governing or dynamics of blood flow. This is used…

Q: Patient with cardiopulmonary insufficiency receives 72 hours of daily management of veno-venous…

A: CPT codes are the numerical codes used primarily to identify medical services and procedures…

Q: The effect of physical load on the state of the cardiovascular system. Table 15. INDICATORS BEFORE…

A: Physical load is nothing but physical activity that poses stress and strain on cardio-vascular…

Q: Given the following information, calculate cardiac output: R-R interval = 0.6 second, EDV = 160 mL,…

A:

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: explain the regulation of cardiovascular adjustments to exercise

A: In the body, the blood is circulated by the action of the cardiovascular system. It is by this…

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: The following measurements were made on two individuals (the values recorded remained stable for one…

A: Venous return is the total volume of blood that returns to the atrium of the heart. Ventricular…

Q: Explain what is the relationship between flow rate, the difference in blood pressure between the two…

A: As we know, the higher the pressing factor applied by the heart, the quicker blood will stream.…

Q: Nurse Wendell will infuse 1% L of NS in over 7 hours; Drop factor: 15 gtt/mL. What flow rate (ml/hr)…

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Q: The effective-refractory period present during Phase 2 of the action potential of ventricular…

A: A transient shift in membrane permeability across the cellular membrane of cardiac cells is known as…

Q: Compared with resting values, blood flow changes in various organs during moderate exercise are most…

A: Introduction        During exercise minimum changes are observed in blood flow to brain, as in…

Q: Describe the role of endothelial paracrine agents in mediating arteriolar vasoconstriction and…

A: Introduction: The human body is made up of cells that group together to create tissues, tissues that…

Q: A)  affect on TPR (total peripheral resistance) and how/why it changes it  B)  affect on cardiac…

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Q: Which of the following is/are true? More than one answer may be correct. Choose all that apply) as…

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Q: Cardiac glycosides (increase or decrease?) the Na concentration gradient between the cardiac…

A: The organic compounds that increase the heart output force are called cardiac glycosides. The…

Q: Which of the following mechanisms used in the control of vascular resistance would function as a…

A: Vascular resistance is the resistance that must be overcome to push blood through the circulatory…

Q: Draw a flow diagram summarizing the factors affecting arteriolar radius.

A: Introduction: The circulatory system, often known as the cardiovascular system, is the body's…

Q: There are three major factors that affect stroke volume and therefore affect cardiac output:…

A: Cardiac output is a phenomenon in cardiovascular physiology that is characterized by the rate of…

Q: How much of the total cardiac output may increase during the performance of heavy exercise?

A: The word "cardiac output" refers to the amount of blood pumped by the heart every minute. The…