A blockage of which branch of the aortic arch would interfere with blood flow to the left arm?

Q: What is angina pectoris?

A: Coronary artery disease is also known as coronary heart disease that causes damage to the heart’s…

Q: complete blockage of the LAD. B

A: A coronary angiography is performed to detect the blockage in the heart arteries. Left Anterior…

Q: A patient has heart murmur associated with mitral valve. How will this affect the ECG? Explain.

A: A heart murmur is a clinical condition in which the flaps associated with the mitral valve cannot…

Q: What general regions do the arteries that arise from the arch of the aorta supply?

A: The human circulatory system is one of the major eleven organ systems in the human body and is…

Q: Give the functions of the following: midrib, veins and veinlets.

A: The midrib is the vein that run through the middle of the lamina. The midrib divides the lamina's…

Q: What are the branches

A: The largest blood vessel of thr body is aorta. The transportation of the oxygen rich blood from the…

Q: Name the vessels which recieve blood from the heart and state the chambers which pumps into those…

A: Vessels are the component of circulatory system of the body. Their function is transportation of…

Q: Marfan’s syndrome is an inherited genetic disorder that results in malformedelastic fibers that are…

A: Marfan syndrome is a genetically inherited disorder that is an autosomal dominant disease. Autosomal…

Q: Why are coronary arteries considered functional end arteries?

A: The blood circulating through the circulatory system is responsible for the transport of oxygen and…

Q: Name the paired visceral and parietal branches and the unpaired visceral and parietal branches of…

A: The main blood vessel present in the abdominal cavity is known as abdominal aorta. The function of…

Q: Identify the visceral and parietal branches of the thoracic aorta.

A: Thoracic aorta : It is the part of the aorta which starts from the arch and moves down to the…

Q: What is the Normal anatomy of major body system effected in varicose veins?

A: Major body system which gets affected in varicose veins is the vascular system (especially veins )

Q: Explain the major function of the veins?

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: How would heart function be affected if the AV valves did not completely close during ventricular…

A: In humans, the heart has four chambers, two atria, and two ventricles. The right atrium receives…

Q: Name the veins that return blood to the right atrium.

A: There are two types of circulations namely pulmonary circulation and systemic circulation.…

Q: Describe the differences between a medium vein and a medium (muscular) artery. State the functional…

A: The arteries and veins constitute a network of blood vessels that supply oxygenated blood to the…

Q: Describe the total cross-sectional areas of the aorta,arteries, arterioles, capillaries, venules,…

A: The total cross-sectional area is calculated by multiplying the cross-sectional area of the single…

Q: Describe the aorta, and name its principal branches.

A: The aorta is the largest artery and largest blood vessel in the body. It extends upward from the…

Q: What causes the pacemaker cells of the SA node to trigger an action potential?

A: The heart is made up of cardiac muscle. It contains a network of specialized cardiac muscle fibres…

Q: Explain the effect on blood flow of mitral valveincompetence.

A: The heart is a muscular organ that pumps blood to the body and is considered the most important…

Q: Why is ventricular fibrillation such a serious arrhythmia?

A: The term ‘arrhythmia refers to an abnormal condition of the heart in which the rate and frequency at…

Q: Although not considered the primary pacemaker of the heart, the atrioventricular node can indeed be…

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: Why is ventricular fibrillation such a serious arrhythmia?

A: Introduction: The term ‘arrhythmia refers to an abnormal condition of the heart in which the rate…

Q: What pressure difference between the ventricle and the atrium causes theatrioventricular valve to…

A: The cardiac cycle refers to the sequences of events that occur and repeat with every heartbeat. It…

Q: Compare the effect of aortic stenosis with mitral stenosis on the left ventricle and atrium.

A: The region of a regular mitral valve is 4 to 6 cm2, which is enough contract of blood to flow from…

Q: Describe two ways in which an artery can become totallyobstructed.

A: Obstruction of the artery can block the blood supply to that particular organ and can disturb the…

Q: Is a thrombus in the external carotid life-threatening? Why or why not?

A: A thrombus is usually blood clot that forms in a vessel .

Q: Define atherosclerosis

A: Cardiovascular system  Cardiovascular system is responsible for the transport of gases, nutrients…