Explain the events of the cardiac cycle, and relate the heart sounds to specific events in this cycle.

Q: Describe the autonomic innervation of the heart.

A: The heart is innervated by sympathetic and parasympathetic fibres from the autonomic branch of the…

Q: Describe how the pressure in the left ventricle and in the systemic arteries varies during the…

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: Relate the heart sounds to the events of the cardiac cycle?

A: The cardiac cycle can be understood as the activity of the human heart from the finishing of one…

Q: Explain how the heart is a double pump and why this is significant

A: Human heart is situated in the space of thoracic cavity present between two lungs.

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: Summarize the effects of the autonomic nervous system on the heart.

A: The functioning of heart is controlled by Autonomic nervous system in many ways

Q: Explain the process by which a large volume of fluid in thepericardial cavity decreases cardiac…

A: The process that defines the volume of blood that is ejected by the heart in a time period of one…

Q: Explain the events in the cardiac cycle. Describe 'double circulation'.

A: Introduction: The heart is a muscular organ in most animals, which pumps blood through the blood…

Q: Explain the roles of the heart and blood vessels incirculating the blood.

A: The heart is a muscular organ and located behind the chest bone. It consists of four chambers that…

Q: Describe the pressure changes in the atria and ventriclesduring a cardiac cycle.

A: The heart is an organ found in animals which is specialised to pump blood in the body. The heart is…

Q: Describe how the heartbeat is controlled

A: Sympathetic nervous system which includes the ‘fight and flight responses’ release neurotransmitter…

Q: Define cardiac output, describe how it is regulated, and identify factors that affect it.

A: Cardiac muscle tissue can be defined as one of the three types of muscle tissue in our body. Cardiac…

Q: Describe the cardiac center and innervation of the heart.

A: The heart refers to an organ that pumps and provides blood supply to the body via the blood vessels.…

Q: Explain the working of heart.

A: The heart is a muscular organ and is a structure associated with the cardiovascular system.

Q: Describe the causes of the P, QRS, and T waves of an ECG, and indicate at which point in the cardiac…

A: The cardiac cycle represents the event that occurs after the ending of one heartbeat to the start of…

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: Name hormones that have an effect on heart rate State two other factors that affect heart rate.

A: Heart rate refers to the speed of the heartbeat. It is generally calculated by the number of…

Q: Predict the significance of slow blood flow in the capillaries

A: The blood vessels are characterized by the presence of a single endothelial layer, diameter 5 to 10…

Q: Diagram of the heart and its functions.

A: The mammalian heart is a complex structure divided into four different chambers, namely the left…

Q: List other factors that affect heart rate

A: Heart rate is the rate at which heart beats per minute. The average adult heart rate is 72 beats per…

Q: Explain Measurement of Cardiac Function?

A: BASIC INFORMATION  HEART  It is a muscular organ  It is present in a space in between the lungs…

Q: Explain the events in a cardiac cycle.

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: Identify the parts of the cardiac conduction system

A: The heart is the main organ of the human body that pumps oxygenated blood to the whole body and…

Q: Describe the location and blood flow through thecoronary arteries and cardiac veins

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: Describe the events that occur during one cardiac cycle.

A: The cardiac cycle is a process that occurs in the heart. The process refers to the event that takes…

Q: Write the formula relating to heart rate

A: BASIC INFORMATION HEART  It is a muscular organ. It is present in a space in between the lungs…

Q: Describe the location and position of the heart in the thoracic cavity

A: The heart is present in the center of the thoracic cavity, obliquely oriented , with heart apex…

Q: Describe the cardiac cycle

A: The cardiac cycle refers to all the events or steps that occur from the beginning of one heartbeat…

Q: Describe one cardiac cycle,beginning with both atria and ventricle relaxed?

A: The cardiac cycle is referred to as one heartbeat that consists of one cycle of contraction and…

Q: define cardiac cycle

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

Q: Relate the opening and closing of specific heart valves in each phase of the cardiac cycle to…

A: The highly coordinated sequence of electrical, mechanical, and vascular events constitutes the…

Q: Describe the structures of the heart and the direction of flow through each structure ( Name them…

A: The heart is a hollow muscular organ that pumps the blood through the circulatory system by rhythmic…

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: Predict the pressure changes that occur in the aorta, the left ventricle,and the left atrium after…

A: The heart is a smooth muscle organ that plays a major role in the circulation of blood. Human heart…

Q: explain the  heart process

A: The human heart is an organ that pumps blood through the circulatory system's veins, giving oxygen…

Q: Name the major branches of the heart.

A: The heart is the blood-pumping organ in the animals. It pumps blood via the blood vessels of the…

Q: Explain when and how the two sounds of heart are produced?

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

Q: Trace the flow of blood through the heart during one cardiac cycle.

A: The cardiac cycle is defined as the time taken for the heartbeat from its production to the…

Q: Compare the rate of blood flow out of the ventricles between the first and second heart sounds of…

A: The heart is the most important organ in the body. It is made up of several different types of…

Q: Describe the control of heart rate during and afterexercise.

A: Heart - heart is a body organ which pumps blood through blood vessel to the circulatory system.…

Q: Explain the cardiac cycle ?

A: The blood circulation starts with the contraction of the two atria. The ventricles at this time are…

Q: Relate the EKG waveforms to the normal mechanical events of the cardiac cycle.

A:

Q: Calculate heart rate by counting the number of Large ecG Squares

A: The number of times a heart beats in a unit of time is called heart rate. Usually, it is measured as…

Q: Name the valves that guard openings in the heart.

A: Heart  It is a muscular structure present in the body. It's function is to pump blood to various…