When the layers of an artery become rigid and no longer can stretch, the condition is called ___.     pericardial tamponade     arteriosclerosis     atherosclerosis     hematemesis

Q: congestion occur in active.12 process and arteries T F

A: Vascular congestion Congestion occurs due to various causes and is often associated with distention,…

Q: 1. Arteries have muscular walls to with 2 Veins have walls and one-way

A: Since you have posted a question with multi- sub parts , we will solve first three sub-parts for…

Q: H K M N Thoracic aorta 2 Bicuspid valve 3 Left atrium 4 Superior vena cava

A: Heart is an organ of cardio vascular system .It pumps our blood sothat every organ get the…

Q: which arrhythma refers to rapid, random, inefficient, and irregular contrations of the atria and…

A: Arrhythma is defined as the speed of heart beat which may be slow and fast . Bradycardia = slow…

Q: The coronary arteries branch off of the ________.a. aortic valveb. ascending aortac. aortic archd.…

A: The human heart is a four-chambered muscular organ that pumps blood throughout the body. It pumps…

Q: The angiogenesis are vasodilation of blood vessels   Select one: True False

A: Blood is a body fluid that carries necessary nutrients and oxygen to the cells and transports…

Q: A blood platelet flows through a coronary artery that is partially blocked by deposits on its wall.…

A: The type of arteries that surround the entire heart and supplies oxygen continuously for the cardiac…

Q: Plsssssss helppppppp, what diseases might have contributed to this patients cause of death? -sudden…

A: The heart is a pump that transports blood through a network of arteries. Its function is to send…

Q: Heart attack Can be occurred due to narrowing of the arteries caused by a buildup of plaque. It's a…

A: The circulatory system includes the main organs heart and blood vessels. The heart is the main…

Q: A patient, lying horizontally on a bed, is suffering from high cholesterol, causing a narrowing in…

A: High cholesterol is a condition in which the cholesterol level in the blood is more than 400mg/dl.…

Q: In supraventricular tachycardia, the rhythm may originate from any of the following, except SA Node…

A: Arrhythmias are irregular rhythms that do not obey the typical sequence of events. They are divided…

Q: The P wave on an electrocardiogram (ECG) represents the depolarization of cells in the: O…

A: Heart is an organ present in the circulatory system. It is responsible for pumping of blood to the…

Q: Physicians recommend that air travelers drink plenty of fluids and periodically get up and walk…

A: Veins are blood vessels that are responsible for transport of deoxygenated blood to the heart. Blood…

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: Sino-atrial node is called the pacemaker of our heart. Why?

A: The SA (sino-atrial) node is a neuron’s specialized bundle that is located in the upper part of…

Q: Cedric’s doctor recommended taking a small amount of aspirin eachmorning because Cedric has…

A: Coronary arteries are the arteries that supply blood and nutrients to the heart. Atherosclerotic…

Q: The completed histological layers of blood vessels cannot be seen clearly in post capillary veinules…

A: These postcapillary venules include intercellular endothelial junctions that can open to allow…

Q: Blood flows directly from __________ into capillary beds.   A arterioles   B venules   C muscular…

A: A . arterioles

Q: The two arteries formed by the division of the brachioce- phalic trunk are the (a) aorta and…

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

Q: Which of the following describes the formation of a clot along the inner wall of a blood vessel? O…

A: The blood clot which is formed inside the blood vessels is known as a thrombus, when the thrombus…

Q: After passing through the inferior vena cava blood passes through the ____.   A coronary sinus   B…

A: The cardiovascular system or circulatory system is comprised of blood pumping muscular organ, heart,…

Q: نقطة واحدة Veins .1 a.Carry blood away from the heart. O b.Connect the smallest arteries to the…

A: * veins are the blood vessels which carry blood toward heart. *They carry deoxygenated blood to…

Q: Vessels that carry blood away from the heart are called * O Vein O Artery O Vapillary

A: The heart is a muscular organ the size of a fist that is found just behind and just to the left of…

Q: Individuals with Marfan Syndrome can have a weakened aorta and be at risk for an aortic aneurysm or…

A: Marfan syndrome is genetic condition in which there is a defect in gene, which produces protein,…

Q: Comparing and contrasting arteries and veins, veins havea. thicker walls.b. a greater amount of…

A: Arteries are blood vessels which carry blood away from the heart. Veins are the blood vessels which…

Q: An especially leaky type of capillary found in the liverand certain other tissues is called a…

A: Blood vessels are flexible tubular canals by which blood circulates in the body. The blood vessels…

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: The main artery whose cross-sectional area is (1 cm) branches into 5 smaller arteries. Each of these…

A: The blood flow rate( Q )  through the vessel is related to the radius or the cross section of the…

Q: The normal pacemaker of the heart is the ______.   A sinoatrial node   B left atrium   C…

A: Heart is an important organ that pumps blood. Heart is myogenic in nature meaning it is capable of…

Q: The main pacemaker area of the heart is the: O Bundle branches O AV node SA node Purkinje fibers

A: Given: The heart is a muscular organ which is as big as our fist.It is located between the lungs in…

Q: Which portion of the ECG corresponds torepolarization of the atria?a. P waveb. QRS complexc. T…

A: The cardiac action potential refers to a brief variation in the membrane potential through the cell…

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: All the blood that passes through the aorta, except the blood that flowsinto the coronary vessels,…

A: Resistance is a force that opposes the flow of a blood.

Q: What is the major artery in the body

A: Artery: Artery is the blood vessel that carries oxygenated blood from the heart and delivers to the…

Q: Explain how a deep vein thrombosis in a large vein in theleg can result in a life-threatening…

A: Deep vein thrombosis is the venous thrombosis blood clot formation in vein Usually occurs in deep…

Q: In coronary bypass surgery, the internal thoracic artery can be used as the bypass vessel by…

A: Coronary bypass surgery creates a new route around blocks and narrow coronary arteries that allow…

Q: complete blockage of this coronary artery results and sudden death because of the large amount of…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: Which of the following results from atherosclerosis (without complete blockage) in a cerebral…

A: An artery carries blood away from the heart. They do have valves. An artery carries oxygenated blood…

Q: Pacemaker cells are concentrated primarily in two specific regions of the myocardium. ventricle…

A: Heart is a muscular pumping structure and is vital part of circulatory system which helps in sending…

Q: Velocity of blood flow is the slowest in a. muscular arteries. b. capillaries. c. veins. d. elastic…

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

Q: true or false ____7. Veins have a thick and large luminal space. ____8. Vasa Vasorum is both…

A: Veins carry de-oxygenated blood from different parts of the body to heart and arteries carry…

Q: When the nature of an artery changes from elastic to rigid because of changes in the walls, not the…

A: Arteries are blood vessels that carry oxygenated blood away from heart. There are few exceptions…

Q: ical procedure called a bypass graft, a vessel is bypasses one of that patient's blocked arteries. A…

A: 10] Saphenous vein grafting is a technique used for bypass surgery. It is a easy method to handle…

Q: A patient, lying horizontally on a bed, is suffering from high cholesterol, causing a narrowing in…

A: The blood vessels that transport oxygen-rich blood from the heart to the body's tissues are known as…

Q: Why is it important to take your medications to manage hypertension Why is it important to take…

A: Blood pressure medications can help keeping it in range so as to avoid the complications of…

Q: Explain the cause of atherosclerosis  in the atrery and does not usually occur in the vein

A: Atherosclerosis occurs due to hardening of the arteries. It is a slow process in which deposition of…

Q: time of ventricular repolarization [Choose ] [Choose] time of atrial repolarization A time of…

A: ECG means electrical activity of heart represented in a graphical form. Electrocardiography is a…