Fill in the blank:  The second sound of a cardiac cycle occurs when the _______________________ are closing.

Q: Place the labels in order, denoting the sequence of events of the cardiac cycle beginning with…

A: Cardiac cycle is the performance of the human heart from the ending of one heartbeat to the…

Q: The second heart sound ("dub") results from vibrations generated by the A. closing of the AV valves…

A: A normal heartbeat consists of two sounds- LUB and DUB. These sounds often occur as pairs in a…

Q: Unlike skeletal and smooth muscle tissue, cardiac muscle is “self-excitable”. Explain how this…

A: There are three major types of muscles. They are skeletal muscles, smooth muscles, and cardiac…

Q: This vessel carries oxygenated blood into the heart. O pulmonary artery O pulmonary vein vena cava O…

A: Aorta carries oxygenated blood to the body. Pulmonary artery carries deoxygenated blood from right…

Q: Given these events, the correct sequence of the cardiac cycle is: i. Atrial diastole ii. Atrial…

A: In the cardiac cycle, diastole means that the heart chamber is filled with blood received from the…

Q: Which structure is labelled "H' questions. Aorta Black arrows indicate direction of blood flow Blue…

A: H   =   Cardiac muscle   A = superior Vena Cava B=  Aorta C  = Right pulmonary artery        ,…

Q: All of the following are part of the cardiac conduction system except the: a. chordae tendineae b.…

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

Q: During the systolic phase of the cardiac cycle, the heart is ________. a. contracting b. relaxing c.…

A: The heart is a pumping organ that provisions or supplies all tissues and organs of the body with…

Q: Choose the best answer Blood moving from the left atrium to the left ventricle passesthrough which…

A: Heart is the main organ pumping blood. Heart is myogenic meaning it is capable of auto excitation.…

Q: Looking at the wiggers diagram Which of the letters A-F would be the point when semilunar valves…

A: The stress exerted by pumping blood on the artery walls is called blood pressure. Blood pressure is…

Q: Which of these is an incorrect statement concerning the heartbeat?a. The atria contract at the same…

A: The heartbeat has two parts, systole when the heart contracts and pumps blood and diastole when the…

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: The cardiac conduction system includes all of the following except:- a. the SA node. b. the AV node.…

A: Cardiac conduction system is made up of various muscles which send signals to the cardiac muscles…

Q: a. Ventricular diastole b. Throughout the cardiac cycle c. Between cardiac cycles  d. Ventricular…

A: Heart It is the main component of the circulatory system. It pumps the blood to various parts of the…

Q: Choose the best answer Which of the following lists the events of the cardiac cycle in thecorrect…

A: The cardiac cycle comprises of the phases of heart activities through a complete heartbeat, that is,…

Q: Name the sound produced when the atrioventricular valves close the heart.

A: The heart has four chambers through which the blood flows when the cardiac valves open and close…

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: The T wave represents: a. Depolarization of the ventricles b. Repolarization of the atria c.…

A: ECG (Electrocardiogram) can be outlined as the graph which represents the electrical activity of the…

Q: The death of cardiac tissue from lack of blood flow is commonly known as a heart attack, but…

A: Every muscle and tissue of our body needs oxygen for its survival, so as your heart muscles. A heart…

Q: What changes in cardiac function might you expect after surgical replacement of a defective heart…

A: The mammalian heart is a four chambered muscular organ with valves. The valve between the right…

Q: A child has chronic strep throat. If this condition is not treated, what heart disease can occur?…

A: The respiratory system is a network of tissues and organs that help an organism to breathe. In…

Q: During the systolic phase of the cardiac cycle, the heart is

A: The cardiovascular system, also referred to as the circulatory system or the system, is an organ…

Q: During the production of the waveform of the EKG indicated by the arrow, blood would pass through…

A:

Q: The image above shows the change in blood volume in the left ventricle through time. Identify what…

A: Answer: CARDIAC CYCLE = This is the cycle in human system which involves the conversion of…

Q: In 500 to 750 words, identify and describe the structure and function of the heart, how the cardiac…

A: The heart is a muscular organ which is a fist shaped organ. It is a primary pumping organ which…

Q: The lining of the heart chambers is called the __________.   A endocardium   B myocardium   C…

A: The heart is the muscular organ that pumps blood throughout the body. It is made of cardiac muscle.…

Q: Blood flows through the vessels references in the above image during:

A: Heart  It is the main blood pumping organ of the body as it is formed of Cardiac muscles. There are…

Q: Another patient had an abnormal heart sound that indicated a stenotic valve. Define this condition,…

A: Heart murmurs are the most frequent types of abnormal cardiac sounds that are identified by blowing…

Q: Blood leaves the right ventricle through the ______.   A pulmonary trunk   B right atrium   C…

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

Q: Which of the following cardiac tissues has the most rapid conduction velocity? A)The AV node. B)…

A: Purkinje fibre situated in both ventricle myocardium

Q: Use blue pen and paper. Draw a flow chart of the circulatory system that includes the movement of…

A: Blood is the fluid that courses through the circulatory system in the body of most animals,…

Q: Select the best answer or answers from the choices given: Which of the following can lead to…

A: Human heart is the Center for regulating blood across the body. It is made up of cardiac Muscles…

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: Concept diagram. Trace the flow of blood through the heart. Fill in the diagram using the terms in…

A: The heart is the major pumping organ and it starts to beat at about 22 days after conception. It has…

Q: are True/False. The louder, sharper, higher-pitched 'dupp' heart sound occurs when tricuspid and…

A: The louder , sharper , higher-pitched 'dupp' heart sound occurs when tricuspid and mitral valve…

Q: The white arrow is pointing to the [Select] According to the vide commonly confused with the v[…

A: The human body is composed of different organ systems. These organ systems perform specific…

Q: In a paragraph or using an arrows, trace the blood flow from the superior vena cava, inferior vena…

A: The heart is the vital organ in the human body located under the ribcage, pumps oxygenated blood to…

Q: Mitral valve prolapse is a disease where the valve between the left atrium and left ventricle…

A: The mitral valve permits blood to flow from the left atrium into the left ventricle, but not in the…

Q: Determine the ventricular electrical axis in the following recording: Explain your answer

A: The ECG's axis is one of the major direction in which the overall electrical activity of the heart…

Q: Assuming that the cardiac cycle begins at the end of diastole put the following ventricular phases…

A: The correct order of  occurance of Ventricular phase is:- 1)Isovolumetric contraction phase…

Q: Fill in the blank:  The fibers that carry cardiac impulses from the interventricular septum into the…

A: Cardiac impulses originate from the sinoatrial node that causes the contraction of the heart muscles…

Q: During the cardiac cycle, when would you expect to hear the second heart sound? O a) After ejection…

A: The timeframe that starts with compression of the atria and closures with ventricular unwinding is…

Q: Fill in the blank:  An _______________________ is a recording of electrical changes occurring in the…

A: Cardiac cycle : cyclic events of contraction and relaxation that takes place in the heart from…

Q: If the AV node was damaged, the parts of the heart that would fail to contract are (the) O a. right…

A: The cardiovascular system is a network of arteries and veins in which the heart pumps blood. One of…

Q: he names and synonyms for es of the heart.

A: We know that the heart is a muscular pumping organ that pump the originated blood throughout the…

Q: Label the axons, dendrites, and soma of the nerve cell. Then, give a short description of this cell.…

A: Nerve cell/Neuron It is an electrically excitable cell that processes and transmits information by…