Abdomen A- Vascular Anatomy

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| By Mnathan21
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Mnathan21
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Quizzes Created: 32 | Total Attempts: 20,434
Questions: 26 | Attempts: 528

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Abdomen Quizzes & Trivia

Questions and Answers
  • 1. 

    There are two vascular systems of the body; the _______________ circulation and the _______________ circulation.

    Explanation
    The correct answer is pulmonary, systemic. The pulmonary circulation refers to the circulation of blood between the heart and the lungs, where oxygen is added to the blood and carbon dioxide is removed. The systemic circulation, on the other hand, refers to the circulation of blood throughout the rest of the body, delivering oxygen and nutrients to the tissues and removing waste products.

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  • 2. 

    Pulmonary circulation carries blood from the ____________ to the ______________

    Explanation
    Pulmonary circulation is responsible for carrying blood from the heart to the lungs. In this process, deoxygenated blood from the right side of the heart is pumped into the pulmonary artery, which then carries it to the lungs. In the lungs, the blood is oxygenated and then returned to the left side of the heart via the pulmonary veins. This oxygenated blood is then pumped out to the rest of the body through systemic circulation.

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  • 3. 

    The pulmonary circulation is the only part of the body where the arteries carry ________________ blood and the veins carry __________________ blood.

    Explanation
    In the pulmonary circulation, the arteries carry deoxygenated blood from the heart to the lungs, where it becomes oxygenated through the process of respiration. The oxygenated blood is then carried back to the heart by the veins, ready to be pumped to the rest of the body. This circulation allows for the exchange of carbon dioxide for oxygen, ensuring that the body's cells receive the oxygen they need for proper functioning.

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  • 4. 

    In the systemic circulation, arteries transport _______________ blood from the ______________ to the ________________ and ________________ of the body.

    Explanation
    In the systemic circulation, arteries transport oxygenated blood from the heart to the muscles and organs of the body. Arteries are blood vessels that carry oxygen-rich blood away from the heart to supply oxygen and nutrients to the various tissues and organs throughout the body. The heart pumps oxygenated blood into the arteries, which then branch out into smaller vessels called arterioles, eventually reaching the muscles and organs where the oxygen is utilized for energy production and other cellular functions.

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  • 5. 

     In the systemic circulation, veins transport __________________ blood from the _______________ and ______________ back to the ________________.

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

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  • 6. 

    Blood vessels have three layers; the tunica ______________, tunica _____________, and tunica ______________.(inner, middle, outer)

    Explanation
    The correct answer is intima, media, adventitia. Blood vessels have three layers: the innermost layer is called the tunica intima, followed by the middle layer called the tunica media, and finally the outermost layer called the tunica adventitia.

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  • 7. 

    The tunica ___________ is the innermost layer of blood vessels and is in direct contact with blood.

    Explanation
    The correct answer is "intima." The intima is the innermost layer of blood vessels and is in direct contact with the blood. It is composed of endothelial cells, which form a smooth surface to allow for the smooth flow of blood. The intima also helps regulate the movement of substances in and out of the blood vessel.

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  • 8. 

    The tunica intima of a blood vessel is comprised mainly of _____________ tissue with a thin layer of ______________ tissue.

    Explanation
    The tunica intima of a blood vessel is primarily made up of endothelial tissue, which lines the inner surface of the vessel. This tissue is composed of endothelial cells that form a smooth and continuous layer, allowing for the smooth flow of blood. Additionally, the tunica intima also contains a thin layer of elastic tissue, which provides flexibility and helps the blood vessel stretch and recoil as blood flows through it. This combination of endothelial and elastic tissues is essential for the proper functioning of blood vessels.

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  • 9. 

    The tunica ____________ of a blood vessel is the second, or middle layer.

    Explanation
    The tunica media of a blood vessel refers to the second layer, located in between the innermost layer (tunica intima) and the outermost layer (tunica externa). This layer is composed of smooth muscle cells and elastic fibers, which allow the blood vessel to constrict or dilate in response to various stimuli. The tunica media plays a crucial role in regulating blood flow and maintaining blood pressure within the vessel.

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  • 10. 

    The tunica media of a blood vessel consists of _____________ fibers and _____________ ____________.

    Explanation
    The tunica media of a blood vessel is composed of elastic fibers and smooth muscle. Elastic fibers provide flexibility and recoil ability to the blood vessel, allowing it to expand and contract in response to changes in blood pressure. Smooth muscle cells in the tunica media help regulate the diameter of the blood vessel, controlling blood flow and maintaining blood pressure. Together, these components play a crucial role in the function of blood vessels, ensuring efficient circulation of blood throughout the body.

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  • 11. 

    The tunica ____________ of a blood vessel is the outermost layer.

    Explanation
    The tunica adventitia is the outermost layer of a blood vessel. It is composed of connective tissue that provides structural support and protection to the vessel. This layer is thicker in larger blood vessels and helps anchor the vessel to surrounding tissues. Additionally, the adventitia contains blood vessels, nerves, and lymphatic vessels that supply the vessel wall.

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  • 12. 

    The tunica adventitia of a blood vessel is composed of ____________ and _____________ fibers.

    Explanation
    The tunica adventitia of a blood vessel is composed of collagen and elastic fibers. Collagen fibers provide strength and support to the blood vessel, while elastic fibers allow the vessel to stretch and recoil. The presence of both collagen and elastic fibers in the tunica adventitia ensures the blood vessel's ability to withstand pressure changes and maintain its structure and function.

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  • 13. 

    List the five part pathway of blood

    Explanation
    This is the correct answer because it accurately lists the five parts of the pathway of blood. Blood flows from the heart into the arteries, which then branch out into smaller arterioles. The arterioles lead to capillaries, where the exchange of oxygen, nutrients, and waste products occurs. From the capillaries, blood enters venules, which then merge to form veins. Veins carry the deoxygenated blood back to the heart.

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  • 14. 

    ________________ 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 blood to the capillaries from the larger arteries. They regulate blood flow and control blood pressure by constricting or dilating. Due to their smaller size, arterioles have a higher resistance to blood flow compared to larger arteries, allowing for precise control of blood distribution to different tissues and organs.

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  • 15. 

    ______________ connect arterioles and venules.

    Explanation
    Capillaries are tiny blood vessels that connect arterioles (small arteries) and venules (small veins). They are the site of exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. Capillaries have thin walls which allow for easy diffusion of substances, and their extensive network ensures that all cells in the body are supplied with oxygen and nutrients while waste products are removed. Therefore, capillaries are responsible for connecting arterioles and venules and facilitating the exchange of substances between the blood and tissues.

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  • 16. 

    Capillaries permit exchange of ____________ and _____________ between the blood and tissues through their walls.

    Explanation
    Capillaries are tiny blood vessels that connect arteries and veins. Their walls are thin and permeable, allowing for the exchange of substances between the blood and surrounding tissues. Nutrients, such as oxygen and glucose, are transported from the blood into the tissues through capillary walls, while metabolic wastes, such as carbon dioxide and urea, are removed from the tissues and transported into the blood through the same walls. This exchange of nutrients and wastes is crucial for maintaining the proper functioning of cells and organs in the body.

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  • 17. 

    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 blood has passed through the capillaries, it collects into small veins called venules. Venules then join together to form larger veins, which eventually return the blood back to the heart. Therefore, the correct answer is venules.

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  • 18. 

    Which is thicker- the tunica media or arteries or veins?

    Explanation
    Arteries have a thicker tunica media compared to veins. The tunica media is the middle layer of the blood vessel wall, consisting of smooth muscle and elastic fibers. It is responsible for maintaining the vessel's shape and regulating blood flow. Arteries carry oxygenated blood away from the heart at high pressure, so they require a thicker tunica media to withstand the force. Veins, on the other hand, carry deoxygenated blood back to the heart at lower pressure, hence their tunica media is thinner.

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  • 19. 

    Arteries are very elastic, very contractile, are able to maintain their shape and do not readily collapse because of their thick ___________ _____________.

    Explanation
    Arteries are able to maintain their shape and not collapse due to their thick tunica media. The tunica media is the middle layer of the arterial wall and is composed of smooth muscle fibers. These smooth muscles allow the arteries to contract and relax, controlling blood flow and maintaining vascular tone. Additionally, the tunica media contains elastic fibers, which contribute to the elasticity of arteries, allowing them to stretch and recoil as blood is pumped through them. Overall, the tunica media plays a crucial role in the structural integrity and functionality of arteries.

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  • 20. 

    Veins are very thin with very little ____________ and _____________ tissue.

    Explanation
    Veins are thin and have very little muscle and elastic tissue. This is because veins are responsible for carrying deoxygenated blood back to the heart from various parts of the body. Unlike arteries, which have thick walls to withstand the high pressure of oxygenated blood being pumped from the heart, veins have thinner walls as they carry blood under lower pressure. The presence of muscle and elastic tissue in veins helps in the regulation of blood flow and prevents the backflow of blood.

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  • 21. 

    Because of the lack of support in veins, they can be easily ______________ and can be easily invaded by _____________.

    Explanation
    Veins lack the structural support that arteries have, making them more susceptible to compression. When veins are compressed, it can lead to reduced blood flow and potentially cause health issues. Additionally, due to their vulnerability, veins can be easily invaded by neoplasms, which are abnormal growths or tumors. These neoplasms can obstruct the veins, disrupt blood flow, and potentially cause serious complications.

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  • 22. 

    Veins rely on ____________ ______________ contraction to help move blood back to the _____________.

    Explanation
    Veins rely on the contraction of skeletal muscles to help move blood back to the heart. Skeletal muscles surround the veins and when they contract, they squeeze the veins, pushing the blood towards the heart. This contraction and relaxation of skeletal muscles create a pumping action that assists in the movement of blood against gravity. Once the blood reaches the heart, it is then pumped out to the rest of the body through the arteries.

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  • 23. 

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

    Explanation
    Veins have valves that help aid the movement of blood and prevent backflow. These valves are one-way flaps that open and close to ensure blood flows in the right direction. When the heart pumps blood through the veins, the valves open to allow blood to flow forward. Once the blood reaches its destination, the valves close to prevent blood from flowing backward. This mechanism helps maintain proper blood circulation and prevents the pooling of blood in the veins.

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  • 24. 

    The veins which do not contain valves are the _________, __________ veins, and ______________ systems.

    Explanation
    The veins that do not contain valves are the IVC (Inferior Vena Cava), portal, and pulmonary systems. The IVC is a large vein that carries deoxygenated blood from the lower body back to the heart. The portal system consists of veins that carry blood from the digestive organs to the liver. The pulmonary veins carry oxygenated blood from the lungs to the heart.

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  • 25. 

    ______(#) - ______(#) % of the circulating blood volume is found in the veins.

    Explanation
    Approximately 70% of the circulating blood volume is found in the veins. Veins are blood vessels that carry deoxygenated blood back to the heart. They have thin walls and large lumens, allowing them to hold a larger volume of blood compared to arteries. The remaining 30% of the circulating blood volume is found in the arteries and capillaries. The high amount of blood in the veins helps maintain blood pressure and ensures a continuous flow of blood throughout the body.

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  • 26. 

    Arteries have ____________ that come off of them, whereas veins have _____________ that run into them.

    Explanation
    Arteries have branches that come off of them, allowing blood to be distributed to different parts of the body. Veins, on the other hand, have tributaries that run into them, carrying blood back to the heart. This is because arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 22, 2010
    Quiz Created by
    Mnathan21
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