David has an ultrasound of his commom carotid arteries which shows that his right common carotid artery is nearly 90 percent blocked. He wonders how the right side of his brain is getting enough blood if this artery is so occluded. What do you tell him?

Q: Which artery most commonly gives rise to the nodal artery a critical blood supply to the…

A: Two major primary coronary arteries are there, namely, the RCA (right coronary artery) and LMCA…

Q: Match the arteries in column A with the regions supplied in column B.  Column B1. jaw, teeth, and…

A: Arteries are the blood vessels of the body that carry oxygenated blood (except pulmonary artery that…

Q: What happens if the coronary artery gets an internal clot?

A: Blood vessels are the components of the circulatory system. It transports blood throughout the human…

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

A: The aorta is the main artery which carries blood away from heart to the rest of  body.  The…

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: What is the function of elastic fibers and smooth muscle in the tunica media of arteries?

A: Vascular smooth muscle cells (VSMCs) are physiological and therefore the most various part of 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: What is the reason for coloring blood vessels red and blue in drawings? Which vessels are usually…

A: Veins are the only blood vessels that can be visible near the outside of the epidermis since…

Q: What arteries play the leading roles in supplying bloodto the brain?

A: The central nervous system, similar to any arrangement of the body, requires consistent oxygenation…

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: How do veins differ structurally and functionally from arteries?

A: Functionally Veins carry blood towards the heart and Artery carry blood away from the heart.

Q: What is a a bulge in the arterial wall called?

A: Ans. A bulging, weak region in the blood vessel wall is called an aneurysm. It can occur in any…

Q: What is the major function of the arteries?

A: Arteries are a type of blood vessel. Blood vessels help to carry blood from one place to another in…

Q: What areas of the body are supplied by the paired arteriesthat branch from the abdominal aorta? The…

A: The cardiovascular system consists majorly of the heart, blood vessels, and blood. It is responsible…

Q: Why are the tendinous cords required for the proper functioning of the AV valves?

A: The heart is a muscular organ of the cardiovascular system that functions to pump the blood to the…

Q: To get from the posterior tibial vein to the femoral vein, blood flows through:- a. the anterior…

A: Answer is b.) the popliteal vein.

Q: Why could a choke hold (a tight grip around the neck) cause a person to pass out? What arteries…

A: In the human body, the brain is a complex organ present. The brain is the control center of the…

Q: During procedures on the carotid artery, one must be careful not to enter or injure the internal…

A: The main difference between the jugular vein and the carotid artery is that the jugular vein drains…

Q: Why does bloodflow decrease significantly at the capillaries?

A: Capillaries is a network of vessels which connects the arteries to vein

Q: Identify and describe the location, origins, and branches of thecoronary blood vessels.

A: The circulatory system which supplies oxygenated blood to the heart is called coronary circulation.…

Q: Each common carotid artery bifurcation into two sections. Provide the names of the two branches and…

A: The artery refers to the blood vessel that provides oxygen-rich blood from the heart to the body…

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: What clinical symptoms would you expect from a blood clot midway along the right posterior…

A: The posterior communicating artery(PCOM) is divided into right and left arteries. This artery mainly…

Q: Given these arteries:(1) basilar (3) internal carotid(2) common carotid (4) vertebralWhich of these…

A: The Circle of Willis connects the two main arterial systems (inner carotid arteries and…

Q: which has larger lumen (opening for blood flow):an artery, or a vein?

A: There are three blood vessels in our body. Arteries- They carry oxygenated blood away from the body.…

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: Why are the left and right coronary vessels considered the major coronary vessels?

A: The coronary vessels are the blood vessels which are responsible for supplying blood to the heart.

Q: How does the structure of the capillary wall relate to its function

A: Capillaries are the littlest veins in the body, associating the littlest arteries to the littlest…

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: Is there similar pattern between the carotid and iliac arteries?

A: Yes, carotid and iliac arteries has similarities in their pattern both are the arteries which supply…

Q: What organs do the gonadal veins drain?

A: Circulatory system consists of blood vessels that carry blood away from the heart and to the heart.…

Q: The great saphenous vein is the largest superficial vein of the lower limb and it drains the medial…

A: Superficial veins are present close to the surface of the body. They facilitate the cooling of the…

Q: What structures serve as the cerebral veins to carry blood to the internal jugular vein?

A: The internal jugular vein is a major vein concerned with draining of blood from major organs and…

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: When blood is flowing through a vena cava, which main blood vessel will it flow through next?

A: Heart is the most important organ of circulatory system. In humans, heart has two atria and two…

Q: circle of Willis, which two arteries form the basilar artery?

A: The basilar artery is a structure generated by the confluence of the vertebral arteries in the…

Q: What are the carotid and aortic bodies are composed of?

A: Peripheral chemoreceptors sense changes in chemical concentrations through sensory extensions of the…

Q: What is the function of the coronary sinus?

A: Blood that has been exposed to oxygen in the lungs is said to be oxygenated blood. Blood that has a…

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…