If a stent is not used in a few cases who have coronary angioplasty done, the artery tends to narrow down or get blocked again in 6 months. This is more likely to happen if: (a) one smokes (b) one has unstable angina before the procedure (c) one has diabetes (d) all of these

Q: Distinguish between elastic arteries, muscular arteries, and arterioles on the basis of structure,…

A: Arteries are the blood vessels that carry blood from the heart to the other organs of the body. They…

Q: Place the unpaired branches of the dorsal aorta in the correct order, from posterior to anterior.…

A: Dorsal aorta is the earliest functional intra-embryonic blood artery which emerges as 2 independent…

Q: Where is the right coronary artery located? What are its main branches, and what do they supply?

A: CORONARY ARTERY:                Coronary arteries depicts the blood vessels that surrounds and…

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: In the following graph, curve (line) N represents a vascular function curve (venous return curve) in…

A: Introduction :- Venous return is the flow of blood from the periphery back to the right atrium, and…

Q: State two ways in which the great saphenous vein has special clinical significance. Where is this…

A: Introduction: The large, superficial vein present in the leg that lies in the subcutaneous part is…

Q: The valves which allow blood to flow from the ventricles into the arteries and not in the opposite…

A: The valves are the muscular flap like structures that are present between the two chambers of the…

Q: Compare the structure of the left atrioventricular valve with that of the aortic valve.

A: Human heart has four chambers. It is a muscular organ whose shape is like a person’s closed fist The…

Q: Why would venous valves be unnecessary in the jugular veins of the neck?

A: Veins The veins carry oxygen depleted blood from different body parts to the heart. The veins are…

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: 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: Look for the septal leaf of the tricuspid valve and just above its attachment,locate the…

A: The heart is a muscular organ situated on the left side of the chest. It is about the size of 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: What roles do the chordae tendineae and papillary muscles have in the normal function of the AV…

A: The heart is the muscular organs of the cardiovascular system.

Q: What are the two main functions of the arteries?

A: Arteries are the vessels present in the body of humans. It is surrounded by smooth muscle tissues…

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: Which of the following can be included in the description of an artery?     A. Remains open when…

A: Artery has elastic wall so it is not a solid structure so option B is incorrect.  Veins have…

Q: List the three major veins that return blood from the thoraxto the superior vena cava.

A: The heart received blood from various parts of the body and carries deoxygenated blood into the…

Q: If a woman’s mean arterial pressure is 85 mmHg and her systolic pressure is 105 mmHg, what is her…

A: Introduction:Blood pressure is the pressure exerted by the blood on the walls of the arteries.…

Q: What is the primary cause of the low velocity of bloodflow in capillaries?

A: The circulatory system is one of the major systems of the human body. The circulatory system…

Q: Why does the total cross-sectional area in the capillary system lower the resistance to flow?

A: Cardiovascular system comprises of Heart, blood vessels and blood. The function of cardiovascular…

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

A: A . arterioles

Q: Compare the structural and functional features of the large, medium-sized and small arteries.

A: Arteries are blood vessels that carry blood away from the heart. Pulmonary arteries are the only…

Q: How can angina be distinguished from myocardial infarction?

A: Each and every cell of the body requires oxygen and nutrients to carry out metabolic processes.…

Q: Describe the mechanism of bulk flow in both directions within a fenestrated capillary. What are the…

A: The capillaries are the tiny and small blood vessels that helps in connecting the arteries and…

Q: Identify the branches of the LEFT coronary artery (select all that apply) Anterior interventricular…

A: The human heart is divide into atria (left and right) and ventricles (left and right). The left…

Q: List several specific substances that diffuse across capillarywalls.

A: The walls of capillaries are composed of a thin singe layer called endothelium.

Q: What is the inherent rate of automaticity at the AV junction?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. It is…

Q: Assuming a patient is presented with an 18% decrease in blood flow rate through a given portion of…

A: The blood flow is proportional to the radius of the blood vessel.

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: explain Axillary artery

A: The axillary artery is known to originate from the subclavian artery and this large blood vessel…

Q: Of those listed, which is the largest vessel used for infant arterial injection?     External…

A: Introduction:- The artery is the blood vessel that transfers oxygen-rich blood from the heart to the…

Q: in what part of the body is the popliteal artery found?What about the axillary vein?THe radial…

A: The blood vessels are the components of the circulatory system that transport blood throughout the…

Q: Identify the three main branches of the aortic arch that receiveoxygenated blood, and identify the…

A: The three main branches of the aortic arch are: Brachiocephalic trunk: It is the largest branch of…

Q: Assuming a patient is presented with an 18% decrease in blood flow rate through a given portion of…

A: Blood flow self-regulation is a fantastic phenomenon that regulates blood supply and demand for…

Q: List the percent distribution of blood in the large arteries,small arteries, arterioles,…

A: Numerous body fluids (BF) pass through the body to maintain optimum body functioning. Synovial…

Q: How does the blood in the pulmocutaneous arch differ from that in the higher two aortic arches?

A: The circulatory system of amphibians includes pulmocutaneous circulation. It is in charge of…

Q: A 50-year-old male patient arrives in the emergency department complaining of severe chest pain. He…

A: Coronary arteries are the blood vessels of the coronary circulation. It transports the oxygenated…

Q: TRACE A DROP OF BLOOD FROM THE AORTA TO THE SKIN OF THE FACE AND BACK TO THE RIGHT ARTIUM. INCLUDE,…

A: The circulatory system of human body contains a number of arteries and veins. The arteries originate…

Q: What generalization can be made about all arteries? What generalization can be made about all veins?

A: Blood is the fluid connective tissue. It is the main circulating fluid of the body. It transports…

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: If an embolus breaks off in a systemic vein in the leg, it would be able to pass through:

A: Hi! Thank you for the questions. As you have posted multiple questions, I will be answering the…

Q: From what vessel does the brachiocephalic artery arise?  Follow its pathway, listing name changes…

A: Arteries are the blood vessels that carry blood away from the heart. Aorta is the principal artery…

Q: What is the significance of the difference in thickness between the wall of the aorta and the wall…

A: Introduction: The largest artery present in human body is the aorta which starts from the top of the…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.