How does the body try to compensate for insufficient cardiac output during shock states?

Q: What are Cardiac Action Potentials?

A: Unlike the action potential in skeletal muscle cells, the cardiac nerve impulse isn't initiated by…

Q: What are the mechanisms that assist in returning venous blood to the heart?

A: The most important transport liquid in the human body is blood. This is circulated from heart to…

Q: What can affect the central venous pressure?

A: Central venous pressure (CVP) is that the pressure within the venae cavae, close to the right atrium…

Q: What are the main factors that control heart rate?

A: Introduction:Carotid arteries carry blood from the heart to the brain. They branch off from the…

Q: Define events associated with period of ventricular filling , ventricle systole and ventricular…

A: The events that happen during a single heartbeat is known as the cardiac cycle. The duration of a…

Q: What are the characteristics of ventricular tachycardia?

A: The normal resting heart rate can be described as the adults ranges from 60 to 100 beats per minute.

Q: how does left side heart failure affect pulmonary blood pressure, cardiac output and systemic blood…

A: The left side of the heart receives the oxygenated blood from the lungs and pumps it to the entire…

Q: What is known as cardiac output ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

Q: What factors regulate heart rate during exercise? Stroke volume?

A: The cardiovascular system comprises the heart, blood vessels, and lungs. It is also named the…

Q: What drives heart rate?

A: The heartbeat is activated by electrical impulses that travel down a special pathway through the…

Q: Define the term isovolumetric ventricular relaxation?

A: The term isovolumetric ventricular relaxation (IVR) is related to the cardiac cycle. The cycle…

Q: why is circulation dynamic?

A: The systemic circulation provides the functional blood supply to all body tissue. It carries oxygen…

Q: What compensatory measures does the body employ in an attempt to restore cardiac output?

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: What effect does sympathetic stimulation have on the heart?

A: The sympathetic nervous system is responsible for stimulating the vasoconstriction of blood vessels.…

Q: Do minor movements such as sitting and standing affect pulse rate? How long does it take for pulse…

A: Sitting & Standing: [affect pulse rate]             Slight repeated movements and vascular…

Q: What happens when Heart rate Increases?

A: The heart is a well defined that they are been stated to term a muscular organ that is part of the…

Q: Describe the effects of sympathetic and parasympathetic neuronal stimulation on heart rate.

A: the effects of sympathetic and parasympathetic neuronal stimulation on heart rate are:

Q: A patient is taking a drug that blocks beta-adrenergic receptors. What changes in cardiac function…

A: A drug is a chemical substance that produces a biological effect. When the drug is taken by…

Q: Describe the factors that influence preload and afterload, and explain how they affect cardiac…

A: Cardiac output is  defined as a amount of blood  heart pumps in a  minute, and also  it depends on…

Q: Imagine that you are feeling very anxious as you walk to the podium to deliver a speech. If your…

A: Ans: Cardiac output: The cardiac out put is the amount of blood pumped by heart to different organs…

Q: How do you know if your ECG is abnormal?

A: An electrocardiogram (EKG) is used to estimate the electrical activity of the heart.  There are…

Q: Does body position affect blood pressure (as measured by pulse pressure)?

A: Blood pressure is the force of blood pushing against blood vessel walls. It is measured in…

Q: What effects do the sympathetic and parasympathetic nervous systems have on blood pressure?

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: What effect will an increase in parasympathetic activity have on heart rate, force of contraction,…

A: The  Autonomic nervous system (ANS) has two interacting systems: the sympathetic and parasympathetic…

Q: What effects does the parasympathetic nervous system have on cardiac output?

A: The cardiovascular system plays the part in conveying the blood through vessels to and from all…

Q: Describe the path of blood through the cardiac circuits

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: How is the autonomic nervous system involved in the regulation of arterial pressure?

A: Answer: Introduction: The autonomic nervous system includes two portions the sympathetic and…

Q: why a leaking heart valve may cause heart damage over time?

A: Leaky heart valve can affect any of the four heart valves: 1)Aortic valve ( left ventricle and…

Q: How do changes in cardiac output and systemic vascular resistance affect blood pressure?

A: Cardiac output is that the volume of blood be due the guts through the ventricles, and is typically…

Q: What is the relationship between cardiac output and venous return in the steady state?

A: Cardiac output is the amount of blood pumped into the aorta by the heart per minute, and it is…

Q: How is the shape of the ventricular rhythm determined?

A: The ventricular rhythm is also known as an idioventricular rhythm (IVR). It is a cardiac rhythm that…

Q: How does the body monitor blood pressure?

A: The force of circulating blood on the walls of blood vessels is termed as blood pressure. It is the…

Q: how does the delay of the impulse at the atrioventricular node contrribute to cardiac function?

A: The AV node serves as an electrical relay station, slowing the electrical current sent by the…

Q: Why does heart rate increase with exercise?

A: Exercise may be defined as any physical body activity that can increase the fitness of an individual…

Q: How is heart failure different from heart attack?

A: The heart is a muscular organ. It pumps blood through the blood vessels of the circulatory system.…

Q: Define Ventricular Fibrillation?

A: The human heart is four-chambered. It has two auricles and two ventricles. The auricles pump blood…

Q: What effect will an increase in sympathetic activity have on heart rate, force of contraction, and…

A: The heart pumps oxygenated blood to the different parts of the body and carries deoxygenated blood…

Q: What would happen to the heart rate if some stimulus causes the blood pressure to decrease?

A: Answer given in below step...

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…

Q: How do heart rate, preload, afterload, and contractility affect cardiac output and cardiac workload?

A: The cardiovascular framework circulates blood all through the body in order to supply oxygen and…