Do minor movements such as sitting and standing affect pulse rate? How long does it take for pulse rate to recover from these changes in position?

Q: activities demand more body movements? Explain. Give 2 systems that are directly affected whenever…

A: * when we exercise we feel increasing in breathing and hear beat too. * we require more oxygen when…

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

A: Cardiac output refers to the blood that the heart pumps through both left and right ventricle in a…

Q: How is perfusion in the brain increased for areas with increased activity?

A: The word perfusion is derived from the french word “perfuser”, which means “pour over or through”.…

Q: Why do differences occur in maximal shortening velocities?

A: The shortening speed of a muscle fiber is that the rate of its shortening.

Q: Define the term isovolumetric ventricular relaxation?

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

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: Explain the absence of peripheral pulses in ventricularfibrillation.

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

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: What are two major factors that determine pulse pressure?

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

Q: What do tachycardia and bradycardia mean?

A: Bradycardia and Tachycardia are two forms of irregular heart rates or arrhythmias. These arrhythmias…

Q: What is the maximum pulse rate (frequency)?

A: Maximum pulse rate on an average can be described as the highest pulse rate that one can get.…

Q: Explain briefly pulse.

A: The closed circulatory system is a type of circulatory system in which blood flows inside the blood…

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: Explain the relationship between stroke volume and venous return.

A: The cardiovascular system consists of the heart, blood vessels and blood. The heart is a hollow…

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: Which are the major factors responsible for limiting the increase in stroke volume?

A: Contraction of heart muscle by compression of ventricles ejected a small volume of blood in…

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: What is pulse amplitude in terms of cardiology?

A: Cardiology is a branch of medicine dealing with the study of diseases as well as abnormalities…

Q: Based on the force of pulse, did stroke volume increase or decrease with exercise?

A: KEY WORDS :- Stroke volume - It is the total blood been pumped from the left ventricle per heart…

Q: How do the baroreceptors regulate arterial blood pressure?

A: Arterial blood pressure is regulated within a normal range normally, ranging from 85 to 100 mmHg in…

Q: what type of individualis likely to have bradycardia at rest?

A: Heart rates can vary from person to person. For adults, a fast heart rate is generally defined as a…

Q: What is the stage of thecardiac cycle during which theventricles are filled?

A: The cardiac cycle is the sequence of events that occurs when the heartbeats. One cardiac cycle is…

Q: Do hormones affect Heart rate

A: The speed at which heart beats is called heart rate it is 72 beats per minute in normal people. This…

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: Why can acetylcholine cause an increase in stroke volume?

A: During contraction, blood pumped by the one ventricle with the per beat of the heart. It is measured…

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: If a person counts 13 pulse cycles in 10 seconds, what is the heart rate in beats per minute?

A: Heart beats and pulse rate are used by physicians for diagnosis of heart disorders and arterial…

Q: How does the heart rate differ before and after exercise?

A: Heart rate, also termed as the pulse rate, is the rate at which a person’s heart beats for one…

Q: How are preload, afterload, and contractility managed therapeutically in the patient with heart…

A: Heart failure is characterized by the heart’s inability to pump an adequate supply of blood to the…

Q: During heavy exercise, how much cardiac output may increase?

A: Cardiac output is the amount of blood pumped by the heart into the aorta in one minute. Heart beats…

Q: What is Cerebral Blood Flow?

A: Nervous system comprises organs that are made up of neurons (nerve cells). The nervous system is…

Q: What does the left ventricular stroke work index (LVSWI) measure?

A: Ventricular stroke work is the work done by a ventricle in pumping the blood in one cardiac cycle.…

Q: Why must this change occur? (in reference to how does the heart rate differ before and after…

A: The process of circulation or internal transport is carried out by the pumping organ of the body,…

Q: Define bradycardia

A: Bradycardia is the condition related to the heart. Heart is one of the vital organs responsible for…

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…