Define the Extrinsic Control of Heartbeat ?

Q: Describe the effects of sympathetic neuron stimulation on cardiacmuscle during contraction and…

A: Contraction in cardiac muscle occurs with the help of the sliding filament model of contraction.…

Q: Emphasize the importance of the arterial baroreceptor reflex?

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

Q: q]. Toxt Detail the control of heart rate. Include: resting values, inherent values, how the ANS…

A: As know Heart is the major muscular organ that helps in pumping the blood through out the body via…

Q: Describe the baroreceptor response to high blood pressure.

A: A type of mechanoreceptors that function to sense the change in pressure and are found in the thin…

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 is heart contractiontriggered?

A: The heart is a muscular organ, which pumps blood throughout the body. It is located in the middle…

Q: Describe how and why cardiac anatomy changes at birth?

A: The cardiovascular system comprises the heart, which is the anatomical pump with its internal parts…

Q: Name the hormone responsible for increase in heartbeat.

A: The number of contractions of the heart in a single minute is called heartbeat and the speed is more…

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 the term vasoconstriction?

A: Blood vessels including arteries, capillaries, and veins can constrict and dilate to facilitate body…

Q: What is Intrinsic Control of Heartbeat ?

A: Heart is an important involuntary muscle that pumps blood to the different parts of the body. There…

Q: What is the physiological function of pulse rate in response to persons active activities?

A: the measurement of heart rate or the number of heart beats is called pulse rate. when a person…

Q: What drives heart rate?

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

Q: Describe the specific cause of each sound of the heartbeat.

A: Answer: Introduction: The Autonomous Nervous System is responsible for monitoring physiological…

Q: Does a change in body position from supine to standing cause a change in pulse?

A: The hydrostatic pressure exerted against the walls of blood vessels by blood flow is known as Blood…

Q: What would happen to heart rate if some stimulus causedblood pressure to decrease? Would this occur…

A: Homeostasis is defined as the tendency of the body to resist changes, important for maintaining a…

Q: Explain Cardiovascular Reflexes and Responses?

A: A reflex, or reflex action, is an automatic and almost instant reaction in response to stimuli.…

Q: On average, how many times does the heartbeat in one minute?

A: Heart rate and pulse refers to the same measurable quantity which is the number of times the heart…

Q: Describe how GSR and Heart rate interact with the PSNS and SNS

A: GSR (Galvanic Skin Response) and heart rate are two physiological measures that are often used to…

Q: Discuss Mechanical Events of the Cardiac Cycle?

A: The human heart contracts 72 times per minute at rest. During each heart beat, the heart chambers…

Q: How are the heart rate and pulse rate related?

A: The heart rate can be defined as the number of times the heartbeats in the duration of a…

Q: Identify the receptors, afferent pathways, integrating center, efferent pathways, and effectors in…

A: The process of showing involuntary response to any type of stimulus without any knowledge and…

Q: How does vasoconstriction in the skin and viscera resultin increased venous return to the heart?

A: The constriction of the blood vessels is known as vasoconstriction. It leads to the increased blood…

Q: Describe the neural mechanisms responsible for controlling blood pressure.

A: The pressure of blood flowing through blood vessels is blood pressure. The force of blood on the…

Q: The Alexandrian physician Herophilus, originally from Chalcedon, was able to make which of the…

A: That a weak but rapid pulse was a sign of significantly increased blood volume: This conclusion…

Q: What are two major factors that determine pulse pressure?

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

Q: Describe ECG technique?

A: An electrocardiogram (ECG) is a simple, painless diagnostic test that measures the heart's…

Q: Describe the effect of the autonomic nervous system on heart rate. Which division is dominant at…

A: The autonomic nervous system is a peripheral nervous system component that governs involuntary…

Q: How do the sympathetic and parasympathetic divisions of the autonomic nervous system adjust heart…

A: Heart rate can be defined as the pace at Which the heartbeats in a minute. The average heart rate of…

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: List the factors that determine cardiac output and total peripheral resistance?

A: The cardiovascular system is also called the blood vascular or circulatory system, consists of a…

Q: How does the barorecptor reflex explain the decrease in heart rate during carotid sinus massage?

A: The carotid sinus and aortic arch contain baroreceptors, which are mechanoreceptors. Their job is to…

Q: What is a pulse? List the locations on the body where thepulse can easily be detected.

A: Vital signs are the four medical signs that evaluate the functioning of the body whether it is…

Q: Explain the internal and external controls of the heartbeat.

A: Your heartbeat's rate and rhythm are regulated by the SA node. 2. An impulse is fired by the SA…