Which chamber of the heart has to contract against the greatest afterload?     right ventricle     left ventricle     right atrium     left atrium

Q: Which side(s) of the heart would affected by high pressure in the pulmonary circuit? Which side(s)…

A: BASIC INFORMATION  PULMONARY CIRCUIT the blood pumped by right ventricles enters into the pulmonary…

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: which of the following occurs with the heart chambers when they contract? Pick two answers: volume…

A: Heart is the central organ of the circulatory system. It is a muscular organ that pumps blood into…

Q: During an electrocardiogram, the T-wave represents atrial depolarization. QRS complex represents…

A: Electrocardiogram (ECG) is a test that helps to assess the electrical activity of the heart. It…

Q: Automaticity of the heart is the result of: Group of answer choices K+ leaking into the cell. Na+…

A: Automaticity of the heart is the result of:The answer is: more than one of the above.The Heart's…

Q: Depolarization / Repolarization Systole / Diastole ECG Wave Heart Chamber P-wave Atria Atria…

A: Electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

Q: Where is the pacemaker of the heart located? What is it called? Trace the path of electrical…

A: The heart is a muscular organ located between the lungs slightly to the left. It functions in…

Q: Which part of the heart is responsible for the muscular contractions that pump blood through it?…

A: Heart is a muscular organ present in thoracic cavity which helps in blood flow through out the body.

Q: The heart has many anastomoses. What benefit are these to the heart?

A: Arteries that supply blood to the cardiac muscle is anastomoses. There are three types:…

Q: Which of the following is not correct regarding the heart? ventricular fibrillation occurs from…

A: Heart is the major organ of the cardiovascular system. It is the mesodermally derived organ and it…

Q: Why do you think it is important for heart valves to ensure that blood flows in only one direction…

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

Q: Which of the terms in the following pairs is correctly matched? Group of answer choices Heart…

A: Let us first understand the concept before matching A. Systole occurs when the heart contracts to…

Q: Arteries carry blood away from the heart. The smallest blood vessels are called arterioles. The SA…

A: Blood vessels help in the flowing of blood throughout the body. Arteries transport blood away from…

Q: hich of the following is true for the ejection phase of the cardiac cycle  select all that apply…

A: The ejection phase of the cardiac cycle begins when the intraventricular pressure exceeds the…

Q: Valve #23 is a ______ valve based on its structure and based on which blood vessel is bring the…

A: Blood goes passes through a valve prior to leaving each chamber of the heart. The valves stop the…

Q: Considering the left ventricle, why does the ventricular volume have to decrease during ventricular…

A: Protruding of the mitral valve into the left atrium during isovolumetric contraction results in a…

Q: What activities of heart are controlled by sympathetic system and parasympathetic system.

A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…

Q: Which of these will increase the heart rate? O sympathetic stimulation of SA node O parasympathetic…

A: The heart has an autorhythmicity trait that allows it to beat without being controlled by the…

Q: Which of the following situations might indicate the need for an artificial pacemaker? Group of…

A: The human heart is a muscular organ that functions as the central and important component of the…

Q: When during the cardiac cycle do ventricles contain their maximal amount of blood? At the end of…

A: Cardiac cycle is referred to as the time period between the contraction of atria and the relaxation…

Q: Put the following events in the proper order for cardiac conduction. Group of answer choices:   SA…

A: The activity of the heart depends upon electrical impulses.

Q: An individual presents with cardiac tamponade.  Their heart would be the most efficient in pumping…

A: cardiac tamponade is a medical condition where there is build up of fuilds in the pericardial sacs.…

Q: What is happening during the phase labeled with the arrow?

A: The above image represents the electrocardiogram or ECG. An ECG is the graphical recording of the…