Explain what is the relationship between flow rate, the difference in blood pressure between the two ends of a horizontal vessel system and the resistance of blood to flow in the horizontal vessel system. Think of the analogy between blood flow and Ohm’s law. Include in your answer what is the role of vasomotion in flow rate.

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A: The mean arterial pressure is referred to as the average arterial pressure throughout one cardiac…

Q: Describe the events leading up to contraction in a cardiac contractile cell. (Where does the…

A: Cardiac muscles are similar to skeletal muscles with a few differences:-a) Contraction is…

Q: Predict the effects of a drug that blocks the sympathetic nervous system on blood pressure and heart…

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Q: In terms of the mechanics of blood flow, discuss why a pulse is evident on the arterial side but not…

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Q: Consider the equation cardiac output (CO) = stroke volume (SV) X heart rate Which of the following…

A: Afterload is the pressure the heart must work against to eject blood during systole. When…

Q: Assume that the arteriole has undergone a change in morphology that resulted in shortening and…

A: There are four sources of resistance length of the blood vessel, Viscosity, Turbulence and diameter…

Q: What two values are needed in order to calculate cardiac output (CO) for a ventricle? a.…

A: Answer is c.)  stroke volume (SV) and heart rate (HR) .

Q: A force that attracts fluid into the capillary from the tissue spaces is Select one: a. venous…

A: The question is asking about the force that pulls fluid back into the capillaries from the…

Q: Compare and contrast pressure and volume changes of the left ?and right ventricles and the aorta…

A: Answer: Introduction: The heart is present in the thoracic (Thorax) cavity medially among the lungs…

Q: Explain the main structural differences between arteries and veins that are responsible for their…

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A: High cholesterol is a condition in which the cholesterol level in the blood is more than 400mg/dl.…

Q: What event(s) occur during the QRS complex of an electrocardiogram? Select one: a. Repolarization…

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Q: The delivery of blood by the left ventricle into the sorta is intermittent, whereas blood flow in…

A: Peripheral circulation refers to blood flow in smaller blood vessels such as arterioles and…

Q: The cardiac cycle consists of a distinct relaxation andcontraction phase. Which term is typically…

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: A. What could be the implicatiosn for the atrial and ventricular contraction-relaxation? B. Draw…

A: If the pacemaker activity in the atrioventricular (AV) node overtakes the sinus node (SA node)…

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: PREDICT THE EFFECTS OF A DRUG THAT BLOCKS THE SYMPATHETIC NERVOUS SYSTEM ON BLOOD PRESSURE AND HEART…

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Q: Once you have studied the wiggers diagram   Create your own outline of the steps with a brief…

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Q: Study the diagram below to identify the pressure relationships which are present during VENTRICULAR…

A: During first part of ejection ventricular pressure rises blood is intensively ejected to the…

Q: Describe the parts of the electrocardiogram (ECG) and explain how these electrical events are…

A: An electrocardiogram is the device that can help in the recording of the electrical signals that is…

Q: Which of the following answers explain why blood pressure increases? Question options: A…

A: The pressure of circulating blood against by the walls of blood arteries is referred to as blood…

Q: The important concepts to understand pertaining to blood pressure Question How is systemic blood…

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Q: illustrate how bleeding that results in significant blood loss (hemorrhage) leads to a decrease in…

A: Blood pressure can be defined as the pressure that occurs because of the circulation of blood in the…

Q: Discuss the events in an action potential that are generated in cardiac contractile cells.

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Q: As the ventricular pressure increases, the AV closes. This then result into a brief period of time…

A: Heart  Heart is a mesodermal origin. It is located in the thoracic (chest) cavity(under the rib…

Q: What is the function of the pulmonary circulation

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Q: Which of the following are intrinsic factors that regulate blood flow? Choose all that apply.…

A: The human circulatory system is one of the major eleven organ systems in the human body and is…

Q: Estimate the volume of a human heart (in mL) using the following measurements/assumptions: Blood…

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Q: a flowchart to illustrate blood flow through systemic and pulmonary circulation, starting from…

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Q: Which of the following describes ventricular pressure when AV valves are open and blood flows from…

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Q: Be able to describe how blood flow and pressure are affected blood vessel size (radius).  Know the…

A: The volume flow rate of blood (Q) is related to pressure difference (P)∆ and resistance to blood…

Q: In the cardiovascular dynamics experiment (part 2), if the right beaker simulates the flow of blood…

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Q: When the blood pressure of a vessel drops below the critical closing pressure for that vessel,…

A: The question is asking what happens when the blood pressure in a vessel falls below the critical…

Q: In the cardiovascular dynamics experiment (part 2), if the right beaker simulates the flow of blood…

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Q: Given the role of potassium in myocardial cell action potentials, explain how hyperkalemia can stop…

A: Introduction  The term "hyperkalemia" refers to an increased potassium (K+) level in the blood.…

Q: Describe all the events (steps) that occur during a cardiac cycle for mammals (organisms with a…

A: Introduction :- The human heart's activity from the start of one heartbeat to the start of the next…

Q: Explain the different factors that are important in regulating cardiac output.  In your answer, give…

A: The amount of blood the heart pumps each minute is known as cardiac output. It is governed by a…

Q: Why is it necessary to stimulate papillary muscles in the ventricle slightly earlier than the rest…

A: The heart is a conductive organ which generates its own action potential and is composed of cardiac…