Abdominal Vasculature (Part 1) For Test On 10/18/10

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  • 1/68 Questions

    Pulmonary circulation carries blood from the ________ to the ________.

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Abdominal Vasculature (Part 1) For Test On 10/18/10 - Quiz
About This Quiz

This quiz titled 'Abdominal Vasculature (Part 1) For Test on 10\/18\/10' assesses knowledge on the human circulatory system, focusing on the differences between pulmonary and systemic circulation, the structure of blood vessels, and the unique characteristics of blood flow in different parts of the body. Essential for students preparing for medical exams.


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  • 2. 

    Blood vessels have ____ (#) layers.

    Explanation
    Blood vessels have three layers. The three layers are the tunica intima, tunica media, and tunica externa. The tunica intima is the innermost layer, consisting of endothelial cells that line the vessel. The tunica media is the middle layer, made up of smooth muscle cells and elastic fibers that provide strength and flexibility to the vessel. The tunica externa is the outermost layer, composed of connective tissue that supports and protects the vessel. These three layers work together to maintain the structure and function of blood vessels.

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  • 3. 

    The innermost layer of the blood vessel which is in direct contact with the blood is called the ___________  ____________.

    Explanation
    The innermost layer of the blood vessel that is in direct contact with the blood is called the Tunica Intima. This layer is composed of endothelial cells, which provide a smooth surface for blood flow and help regulate the exchange of substances between the blood and the surrounding tissues. The Tunica Intima also contains a layer of connective tissue and a layer of smooth muscle cells, which help maintain the structure and function of the blood vessel.

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  • 4. 

    The outermost layer of blood vessels is called the ___________  ____________.

    Explanation
    The outermost layer of blood vessels is known as the tunica adventitia or tunica externa. This layer is composed of connective tissue and provides support and protection to the blood vessel. It also contains blood vessels, nerves, and lymphatic vessels that supply nutrients and oxygen to the vessel wall.

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  • 5. 

    These vessels are small arteries that deliver blood to the capillaries from the larger arteries.

    Explanation
    Arterioles are small arteries that play a crucial role in delivering oxygenated blood from larger arteries to the capillaries. They are responsible for regulating blood flow and blood pressure by constricting or dilating. Arterioles have smooth muscle in their walls, allowing them to adjust their diameter and control the amount of blood reaching the capillaries. This regulation is essential for maintaining proper blood flow and ensuring that tissues receive adequate oxygen and nutrients.

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  • 6. 

    Veins have __________ which help aid the movement of blood and prevent backflow.

    Explanation
    Veins have valves which are structures that help in the movement of blood and prevent backflow. These valves are present throughout the veins and act as one-way doors, allowing blood to flow towards the heart and preventing it from flowing backwards. When the muscles surrounding the veins contract, they squeeze the blood and push it towards the heart. The valves open to allow the blood to pass through, and then close to prevent it from flowing back. This mechanism ensures that blood circulates efficiently throughout the body, against the force of gravity.

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  • 7. 

    Once the aorta penetrates the diaphragm, it is termed the ___________  ___________.

    Explanation
    Once the aorta penetrates the diaphragm, it is termed the abdominal aorta. This is because the aorta, which is the largest artery in the body, passes through the diaphragm and enters the abdominal cavity. It continues downward, supplying blood to the organs in the abdomen, such as the stomach, liver, and intestines. The term "abdominal aorta" is used to specifically refer to this portion of the aorta that is located within the abdomen.

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  • 8. 

    Which artery courses rightward from the celiac artery?

    Explanation
    The artery that courses rightward from the celiac artery is called the common hepatic artery. It is also abbreviated as CHA. This artery supplies blood to the liver and is an important branch of the celiac artery.

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  • 9. 

    The RRA (right renal artery) tends to arise from the lateral aspect of the aorta and runs ___________(anterior or posterior) to the IVC.*****Registry Question*****

    Explanation
    The correct answer is "posterior." The right renal artery typically originates from the lateral aspect of the aorta and runs behind (posterior to) the inferior vena cava (IVC). This anatomical arrangement is commonly observed in the human body.

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  • 10. 

    As the inferior mesenteric artery is running inferiorly, it courses ___________ (anterior or posterior?) and slightly ___________ (rightward or leftward?) to the aorta.

    Explanation
    The inferior mesenteric artery runs anteriorly and slightly leftward to the aorta. This means that it is positioned in front of the aorta and slightly towards the left side of the body.

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  • 11. 

    ___________ circulation is the only part of the body where the arteries carry deoxygenated blood and the veins carry oxygenated blood.

    Explanation
    The pulmonary circulation is the only part of the body where the arteries carry deoxygenated blood and the veins carry oxygenated blood. This is because the pulmonary circulation is responsible for the exchange of gases in the lungs. Deoxygenated blood from the body is pumped to the lungs through the pulmonary arteries, where it picks up oxygen and becomes oxygenated. The oxygenated blood then returns to the heart through the pulmonary veins, ready to be pumped out to the rest of the body. In contrast, in the systemic circulation, the arteries carry oxygenated blood and the veins carry deoxygenated blood.

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  • 12. 

    These vessels connect arterioles and venules.

    Explanation
    Capillaries are tiny blood vessels that connect arterioles (small arteries) and venules (small veins). They are responsible for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. Capillaries have thin walls, allowing for efficient diffusion of substances. Due to their extensive network and proximity to cells, capillaries play a crucial role in delivering oxygen and nutrients to tissues and removing waste products. Therefore, capillaries are the correct answer to the question.

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  • 13. 

    These vessels permit the exchange of nutrients and wastes between the blood and tissues through their walls.

    Explanation
    Capillaries are tiny blood vessels that have thin walls, allowing for the exchange of nutrients and waste products between the blood and the surrounding tissues. Their small size and large surface area make them ideal for this exchange process. Capillaries connect the smallest arteries, called arterioles, to the smallest veins, called venules, forming a network throughout the body. This network ensures that every cell in the body is supplied with nutrients and oxygen while waste products are efficiently removed. Therefore, capillaries play a crucial role in maintaining the overall health and functioning of tissues and organs.

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  • 14. 

    Which vessel is the tunica media thicker in?...Arteries or Veins?

    Explanation
    The tunica media refers to the middle layer of blood vessels that contains smooth muscle and elastic fibers. In arteries, the tunica media is thicker compared to veins. This is because arteries carry oxygenated blood away from the heart at high pressure, requiring more strength and elasticity to withstand the force. Veins, on the other hand, carry deoxygenated blood back to the heart at lower pressure and therefore do not require as thick of a tunica media.

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  • 15. 

    Measuring approximately 2-3 cm long, the first major branch off the abdominal aorta is the...

    Explanation
    The correct answer is celiac axis, celiac trunk, celiac artery. The celiac axis, also known as the celiac trunk or celiac artery, is the first major branch off the abdominal aorta. It supplies blood to the upper abdominal organs, including the stomach, liver, spleen, and pancreas. The celiac axis divides into three main branches: the left gastric artery, the splenic artery, and the common hepatic artery. These branches further supply blood to specific regions within the upper abdomen.

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  • 16. 

    What is the second major branch of the abdominal aorta?

    Explanation
    The second major branch of the abdominal aorta is the superior mesenteric artery (SMA). The abdominal aorta is the main artery that supplies blood to the abdominal organs. The SMA arises from the anterior surface of the abdominal aorta and supplies blood to the small intestine, parts of the large intestine, and the pancreas. It plays a crucial role in delivering oxygenated blood to these organs, ensuring their proper functioning.

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  • 17. 

    There are two vascular systems of the body:  1)  _____________ Circulation, and2)  _____________ Circulation

    Explanation
    The two vascular systems of the body are the pulmonary circulation and the systemic circulation. Pulmonary circulation refers to the circulation of blood between the heart and the lungs, where oxygen is picked up and carbon dioxide is released. Systemic circulation, on the other hand, refers to the circulation of blood between the heart and the rest of the body, delivering oxygen and nutrients to the tissues and removing waste products.

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  • 18. 

    In the ___________ circulation, arteries transport oxygenated blood from the heart to the muscles and organs of the body.

    Explanation
    The correct answer is "systemic." In the systemic circulation, arteries carry oxygenated blood from the heart to the muscles and organs of the body. This is the main circulation system in the body, where oxygen and nutrients are delivered to the tissues, and carbon dioxide and waste products are removed. The systemic circulation is responsible for supplying oxygen to all parts of the body and plays a crucial role in maintaining overall body function.

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  • 19. 

    The second or middle layer of a blood vessel is called the __________  ___________.

    Explanation
    The second or middle layer of a blood vessel is called the tunica media. This layer is composed of smooth muscle cells and elastic fibers, which allow the blood vessel to contract and expand to regulate blood flow. The tunica media is responsible for maintaining the structural integrity of the blood vessel and controlling its diameter. It plays a crucial role in regulating blood pressure and ensuring efficient blood circulation throughout the body.

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  • 20. 

    The tunica adventitia is also known as the tunica ___________.

    Explanation
    The tunica adventitia is the outermost layer of a blood vessel wall. It is also referred to as the tunica externa. This layer is composed of connective tissue that provides support and protection to the blood vessel. It helps to anchor the vessel in place and prevent it from collapsing or rupturing.

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  • 21. 

    Groups of capillaries unite to form small veins called __________.

    Explanation
    Capillaries are tiny blood vessels that connect arteries and veins. They are responsible for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. After the exchange occurs, groups of capillaries join together to form small veins called venules. These venules then merge with other venules to form larger veins, which eventually return the deoxygenated blood back to the heart.

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  • 22. 

    Which artery branches from the common hepatic artery and serves as a landmark for the anterolateral aspect of the head of the pancreas?

    Explanation
    The gastroduodenal artery branches from the common hepatic artery and serves as a landmark for the anterolateral aspect of the head of the pancreas. It supplies blood to the stomach, duodenum, and the head of the pancreas. This artery is important for surgical procedures involving the pancreas and helps in identifying the location of the head of the pancreas during surgery.

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  • 23. 

    The renal arteries course __________ to the renal veins.  (anterior or posterior?)

    Explanation
    The renal arteries course posterior to the renal veins. This means that the arteries are located behind the veins in relation to the position of the kidneys.

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  • 24. 

    The last major branch of the abdominal aorta before the bifurcation is called the...?

    Explanation
    The last major branch of the abdominal aorta before the bifurcation is called the inferior mesenteric artery (IMA). The IMA supplies blood to the lower part of the large intestine, including the descending colon, sigmoid colon, and rectum. It is an important vessel for maintaining blood flow to these organs and plays a crucial role in their function. The IMA is a significant landmark in abdominal anatomy and is commonly referred to by its abbreviation, IMA.

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  • 25. 

    PATHWAY OF BLOOD:Put the following vessels in their proper order beginning with the oxygenated vessels.1) Capillaries2) Arteries3) Venules4) Arterioles5) Veins*Just type the number, not the whole word.

  • 26. 

    After the arch, the aorta descends inferiorly termed the descending aorta and gives rise to the __________ aorta.

    Explanation
    After the arch, the aorta descends inferiorly, forming the descending aorta. From the descending aorta, the thoracic aorta arises. The term "thoracic" refers to the region of the body that includes the chest, where the thoracic aorta is located. Therefore, the correct answer is thoracic.

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  • 27. 

    The aorta begins ___________  (anterior or posterior?) and becomes more ___________ (anterior or posterior?) as it travels inferiorly. 

    Explanation
    The aorta begins posterior and becomes more anterior as it travels inferiorly. This means that the aorta starts at the back of the body and moves towards the front as it goes downwards.

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  • 28. 

    Once the proper hepatic artery is intrahepatic, it branches into the _________, __________ and __________ hepatic arteries to supply the liver with blood.

    Explanation
    The proper hepatic artery, once it is within the liver, divides into three branches: the right hepatic artery, the middle hepatic artery, and the left hepatic artery. These arteries are responsible for supplying blood to the liver, ensuring its proper functioning.

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  • 29. 

    Because of their lack of support, _________ can be easily compressed and invaded by neoplasms.

    Explanation
    Veins are blood vessels that carry deoxygenated blood back to the heart. Unlike arteries, veins have thinner walls and less muscular support. This lack of support makes veins more susceptible to compression and invasion by neoplasms (abnormal growths like tumors). Neoplasms can easily compress and invade veins, leading to various complications and health issues.

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  • 30. 

    Arteries have _________ that come off of them, whereas veins have __________ that run into them.

    Explanation
    Arteries have branches that come off of them, which help to distribute oxygenated blood to various parts of the body. On the other hand, veins have tributaries that run into them, which collect deoxygenated blood from different areas and transport it back to the heart. These branching structures in arteries and tributaries in veins play a crucial role in maintaining the circulation of blood throughout the body.

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  • 31. 

    What is the term used to describe the right hepatic artery that arises from the SMA instead of the proper hepatic artery?

    Explanation
    The term used to describe the right hepatic artery that arises from the SMA instead of the proper hepatic artery is the "replaced right hepatic artery." This occurs when the normal anatomy is altered, and the blood supply to the liver is provided by a branch of the superior mesenteric artery instead of the usual proper hepatic artery.

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  • 32. 

    In the systemic circulation, veins transport ____________ blood from the muscles and organs back to the heart.

    Explanation
    Veins in the systemic circulation are responsible for carrying deoxygenated blood from the muscles and organs back to the heart. Oxygenated blood is pumped out of the heart through arteries to supply oxygen and nutrients to the muscles and organs. Once the oxygen has been delivered, the blood becomes deoxygenated and needs to return to the heart to be reoxygenated. This is where the veins come into play, as they collect the deoxygenated blood and transport it back to the heart for another round of oxygenation.

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  • 33. 

    Along its path, the splenic artery generates branches to the ___________ and ___________. 

    Explanation
    The splenic artery generates branches to both the stomach and pancreas. This means that it supplies blood to both of these organs, providing oxygen and nutrients necessary for their proper functioning. The order in which the branches are mentioned does not matter, as long as it is understood that both the stomach and pancreas receive blood supply from the splenic artery.

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  • 34. 

    The renal arteries are ___________ to the SMA  (Superior or Inferior?)

    Explanation
    The renal arteries are inferior to the SMA (Superior Mesenteric Artery). This means that the renal arteries are located below the SMA in the abdominal region. The SMA is a major artery that supplies blood to the small intestine and part of the large intestine, while the renal arteries supply blood to the kidneys.

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  • 35. 

    In the abdomen, the aorta runs ___________ (anterior or posterior?) to the spine and slightly to the ___________ (right or left?) of midline.

    Explanation
    The aorta runs anterior to the spine and slightly to the left of midline in the abdomen.

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  • 36. 

    After the GDA, the common hepatic artery becomes the __________  ___________  ___________.

    Explanation
    After the GDA, the common hepatic artery becomes the proper hepatic artery. This is because the common hepatic artery is a branch of the celiac trunk that supplies blood to the liver. After giving off the gastroduodenal artery (GDA), it continues as the proper hepatic artery, which further branches into the left and right hepatic arteries to supply the liver with oxygenated blood.

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  • 37. 

    The left gastric artery supplies the _________ and __________ with blood.

    Explanation
    The left gastric artery is responsible for supplying blood to both the stomach and the esophagus. This means that it provides the necessary oxygen and nutrients to these organs for their proper functioning.

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  • 38. 

    At the level of the ___________, the aorta bifurcates.

    Explanation
    At the level of the umbilicus, the aorta bifurcates. The umbilicus, also known as the belly button, is located in the center of the abdomen. The aorta is the largest artery in the body and carries oxygenated blood from the heart to the rest of the body. Bifurcation refers to the splitting of the aorta into two branches, known as the common iliac arteries, which supply blood to the pelvis and lower limbs. Therefore, at the level of the umbilicus, the aorta bifurcates into the common iliac arteries.

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  • 39. 

    The LRA (left renal artery) tends to arise from the ____________ aspect of the aorta. A) Anterior B) Lateral C) Posterior D) Posterolateral E) Anterolateral**You can either write the letter or the answer.

    Explanation
    The correct answer is posterolateral (D). The left renal artery tends to arise from the posterolateral aspect of the aorta.

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  • 40. 

    The inferior mesenteric artery supplies the _________ with blood.

    Explanation
    The inferior mesenteric artery is responsible for supplying blood to the colon.

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  • 41. 

    Because of the thickness of the _________ walls, they maintain their shape and do not collapse.

    Explanation
    Arteries have thick walls made up of three layers: the tunica intima, tunica media, and tunica externa. The tunica media, which is the middle layer, is particularly thick and composed of smooth muscle and elastic fibers. This thickness allows arteries to withstand the high pressure and force exerted by the blood pumped by the heart. As a result, arteries maintain their shape and do not collapse, ensuring efficient blood flow throughout the body.

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  • 42. 

    Veins rely on __________  __________ contraction to help move blood back to the heart.

    Explanation
    Veins rely on skeletal muscle contraction to help move blood back to the heart. When skeletal muscles contract, they put pressure on the veins, squeezing them and pushing the blood towards the heart. This is especially important in the lower extremities, where the force of gravity makes it more difficult for blood to flow against it. The contraction of skeletal muscles acts as a pump, aiding in venous return and maintaining proper blood circulation throughout the body.

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  • 43. 

    The SMA originates approx. ____(#) cm inferiorly to the celiac axis.

    Explanation
    The SMA originates approximately one centimeter inferiorly to the celiac axis.

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  • 44. 

    The SMA supplies the __________ with blood

    Explanation
    The SMA, or superior mesenteric artery, supplies the intestines with blood. This artery is a major branch of the abdominal aorta and provides oxygenated blood to the small intestine, large intestine, and parts of the pancreas. Without the blood supply from the SMA, the intestines would not receive the necessary nutrients and oxygen to function properly.

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  • 45. 

    As the right and left common iliac arteries are running inferiorly, are they more anterior or posterior in the body.

    Explanation
    The right and left common iliac arteries are positioned posteriorly in the body. This means that they are located towards the back of the body, behind other structures.

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  • 46. 

    Name the most common variant associated with the renal arteries.

    Explanation
    The most common variant associated with the renal arteries is the presence of multiple or duplicated renal arteries. This means that instead of having a single renal artery on each side, there may be two or more arteries supplying blood to the kidneys. This variation is relatively common and can be seen in a significant portion of the population. It is important to be aware of this anatomical variation as it can have implications in surgical procedures or diagnostic imaging of the kidneys.

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  • 47. 

    The three branches off the celiac axis are...? **Starting from right to left.

    Explanation
    The correct answer is "common hepatic artery, left gastric artery, splenic artery." This is the correct order of the three branches off the celiac axis when starting from right to left.

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  • 48. 

    Which branch of the celiac axis is usually not visualized on sono?****Registry Question****

    • Common hepatic artery

    • Left gastric artery

    • Splenic artery

    Correct Answer
    A. Left gastric artery
    Explanation
    The left gastric artery is usually not visualized on sono because it is a small vessel that runs close to the esophagus and is often obscured by gas-filled structures in the abdomen.

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  • 49. 

    Duplicated renal arteries are found in ____(#) to ____(#) percent of the population.

    Correct Answer
    10, 20
    Explanation
    Duplicated renal arteries are a common anatomical variation in which a person has more than one artery supplying blood to the kidneys. The given answer states that this condition is found in 10% to 20% of the population. This means that between 10% and 20% of individuals have duplicated renal arteries.

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