Liver Anatomy Pt 1

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  • 1/54 Questions

    The left lobe is smaller than the right lobe.

    • True
    • False
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About This Quiz

Explore the key anatomical features of the liver in 'Liver Anatomy pt 1'. This quiz assesses knowledge on liver location, size, and weight differences between genders. It's designed for learners interested in medical sciences, enhancing understanding of the human body's second largest organ.

Organs Quizzes & Trivia

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  • 2. 

    The right lobe of the liver occupies the...

    • RUQ

    • LUQ

    • RLQ

    Correct Answer
    A. RUQ
    Explanation
    The right lobe of the liver occupies the RUQ (right upper quadrant) of the abdomen. The liver is divided into two main lobes, the right lobe and the left lobe. The right lobe is larger and extends further into the upper right side of the abdomen, hence it is located in the RUQ.

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  • 3. 

    The area of the liver not covered by peritoneum is called the ___________ ____________

    Correct Answer
    bare area
    Explanation
    The area of the liver not covered by peritoneum is known as the bare area. This term refers to a specific region on the liver's surface where the peritoneum does not extend to cover it. The bare area is an important anatomical feature to consider in medical procedures and surgeries involving the liver, as it lacks the protective covering provided by the peritoneum.

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  • 4. 

    The liver is located in the _________, and extends _______________, into the ___________.

    • LUQ, across the midline, RUQ

    • LLQ, across the midline, RLQ

    • RUQ, across the midline, LUQ

    Correct Answer
    A. RUQ, across the midline, LUQ
    Explanation
    The liver is located in the right upper quadrant (RUQ) of the abdomen. It extends across the midline, which means it reaches over to the left upper quadrant (LUQ).

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  • 5. 

    The left lobe of the liver is situated in the ______________ and _____________ regions.

    • Hypogastric, RLQ

    • Epigastric, LUQ

    • Epigastric, RLQ

    Correct Answer
    A. Epigastric, LUQ
    Explanation
    The left lobe of the liver is situated in the epigastric and LUQ (left upper quadrant) regions of the abdomen. The epigastric region is located in the upper middle part of the abdomen, just below the sternum. The LUQ is the upper left section of the abdomen, which includes the left upper quadrant of the abdominal cavity. Therefore, the left lobe of the liver is found in both the epigastric and LUQ regions.

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  • 6. 

    The caudate lobe is both a lobe and its own segment of the liver.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The caudate lobe is indeed both a lobe and its own segment of the liver. It is located on the posterior surface of the liver and is separated from the rest of the liver by the ligamentum venosum. It is considered a separate segment because it has its own blood supply and drainage, and it is also anatomically distinct from the other lobes of the liver. Therefore, the statement is true.

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  • 7. 

    The caudate lobe is smaller than the right lobe but larger than the left lobe.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The caudate lobe is smaller than both the right and left lobes.

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  • 8. 

    It is functionally distinct from other lobes because...

    • It is not at all connected to the liver

    • It receives its own blood supply and has its own bile ducts

    • It is part of the portal system

    Correct Answer
    A. It receives its own blood supply and has its own bile ducts
    Explanation
    The reason why this lobe is functionally distinct from other lobes is that it receives its own blood supply and has its own bile ducts. This means that it has a separate system for receiving nutrients and oxygen through the blood, as well as for transporting bile to aid in digestion. Unlike other lobes that may share these systems with other organs, this lobe operates independently in terms of its blood supply and bile ducts.

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  • 9. 

    The liver is an ___________________ organ

    • Extraperitoneal

    • Intraperitoneal

    • Interperitoneal

    Correct Answer
    A. Intraperitoneal
    Explanation
    The liver is an intraperitoneal organ because it is located within the peritoneal cavity, which is the space in the abdomen that is lined by the peritoneum. The peritoneum is a thin membrane that covers the organs in the abdominal cavity and provides support and protection. Therefore, the liver is considered intraperitoneal as it is surrounded by the peritoneum and is located within the peritoneal cavity.

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  • 10. 

    The liver is...

    • Completely covered by peritoneum

    • Almost completely covered by peritoneum

    • Not at all covered by the peritoneum

    Correct Answer
    A. Almost completely covered by peritoneum
    Explanation
    The liver is almost completely covered by peritoneum. The peritoneum is a membrane that lines the abdominal cavity and covers most of the organs within it. While the liver is not completely covered by peritoneum, it is almost completely covered, with only a small portion of its posterior surface being exposed. This covering provides protection and support to the liver, as well as allowing it to move and slide within the abdominal cavity.

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  • 11. 

    The left lobe is separated from the caudate lobe by the...

    • Falciform ligament

    • Ligamentum venosum

    • Main lobar fissure

    Correct Answer
    A. Ligamentum venosum
    Explanation
    The left lobe is separated from the caudate lobe by the Ligamentum venosum. The Ligamentum venosum is a fibrous band of tissue that runs between the left lobe of the liver and the caudate lobe. It is a remnant of the fetal circulation, specifically the ductus venosus, which shunted blood away from the liver during fetal development. As the fetus grows and the circulatory system changes, the ductus venosus closes off and becomes the Ligamentum venosum. This ligament acts as a barrier between the left and caudate lobes, helping to maintain the structural integrity of the liver.

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  • 12. 

    The liver is the second largest visceral organ of the body.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The liver is THE largest visceral organ of the body

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  • 13. 

    The right lobe of the liver is separated from the left lobe by the _________________ ________________ on its diaphragmatic surface.

    • Main lobar fissure

    • Falciform ligament

    • Ligamentum venosum

    Correct Answer
    A. Falciform ligament
    Explanation
    The correct answer is the Falciform ligament. The falciform ligament is a thin, flat ligament that attaches the liver to the anterior abdominal wall and diaphragm. It divides the liver into right and left lobes and is easily visible on the diaphragmatic surface of the liver. It serves to stabilize the liver and hold it in its anatomical position.

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  • 14. 

    The caudate lobe lies _____________ to the medial segment of the left lobe.

    • Anterior

    • Posterior

    • Superior

    Correct Answer
    A. Posterior
    Explanation
    The caudate lobe lies posterior to the medial segment of the left lobe.

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  • 15. 

    The right portal vein divides into ______________ and _____________ branches, and supplies blood to each segment, respectively.

    Correct Answer
    anterior, posterior
    Explanation
    The right portal vein divides into anterior and posterior branches, which supply blood to each segment respectively. This means that the anterior branch supplies blood to one segment of the liver, while the posterior branch supplies blood to another segment. This division allows for efficient blood supply to different parts of the liver, ensuring proper functioning and nutrient delivery throughout the organ.

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  • 16. 

    The bare area of the liver is located on the _______________ surface of the liver.

    • Inferior

    • Anterior

    • Posterior

    Correct Answer
    A. Posterior
    Explanation
    The bare area of the liver is located on the posterior surface of the liver. This means that it is situated towards the back of the liver, opposite to the anterior surface. The bare area is a region on the liver where there is no peritoneal covering, allowing direct contact with other structures in the abdominal cavity.

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  • 17. 

    The left lobe is also divided into ______________ and _____________ segments.

    Correct Answer
    medial, lateral
    Explanation
    The left lobe of the organ being referred to is divided into two segments, namely the medial segment and the lateral segment.

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  • 18. 

    The anterior, superior, and posterior segments of the liver are the _________________ surface which is convex.

    Correct Answer
    diaphragmatic
    Explanation
    The anterior, superior, and posterior segments of the liver refer to different regions of the liver's surface. In this case, the question is asking for the name of the surface that is convex, meaning it curves outward. The correct answer, "diaphragmatic," refers to the surface of the liver that is in contact with the diaphragm, a dome-shaped muscle located below the lungs. This surface of the liver is indeed convex, as it curves upward towards the diaphragm.

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  • 19. 

     The _________ hepatic vein lies within the intersegmental fissure and divides the right lobe into __________________ and ________________ segments.

    Correct Answer
    right, anterior, posterior
    Explanation
    The right hepatic vein lies within the intersegmental fissure and divides the right lobe of the liver into anterior and posterior segments.

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  • 20. 

    The greatest TRANSVERSE portion of the liver ranges from...

    • 22- 24.5 cm

    • 20- 22.5 cm

    • 20-25 cm

    Correct Answer
    A. 20- 22.5 cm
    Explanation
    The greatest transverse portion of the liver ranges from 20-22.5 cm. This means that when measuring the widest part of the liver from side to side, the measurement will fall within this range. It is important to note that this measurement may vary slightly depending on individual factors and the specific method used for measurement.

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  • 21. 

     The right lobe contains _______________ and ______________ segments.

    Correct Answer
    anterior, posterior
    Explanation
    The right lobe of the organ being referred to in the question contains two segments, namely the anterior segment and the posterior segment.

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  • 22. 

    The left portal vein divides into the ____________ and _____________ branches which supply blood to those segments of the left lobe.

    Correct Answer
    medial, lateral
    Explanation
    The left portal vein divides into the medial and lateral branches, which supply blood to specific segments of the left lobe.

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  • 23. 

    The left lobe contains ____________ and _____________ segments.

    Correct Answer
    medial, lateral
    Explanation
    The left lobe of an organ, which is not specified in the question, is composed of two segments: the medial segment and the lateral segment.

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  • 24. 

    The liver weighs approximately ___________g in women, and ____________g in men.

    • 1200, 1600

    • 1400, 1600

    • 1000, 1500

    Correct Answer
    A. 1200, 1600
    Explanation
    The liver weighs approximately 1200g in women and 1600g in men. The weight of the liver can vary depending on factors such as body size, overall health, and individual variations. In general, men tend to have larger livers than women due to differences in body composition and hormonal influences.

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  • 25. 

    With age, the liver _____________ in size.

    • Increases

    • Decreases

    • Remains the same throughout life

    Correct Answer
    A. Decreases
    Explanation
    As a person ages, the liver tends to decrease in size. This is because the liver is made up of cells that can become damaged or die over time, leading to a decrease in overall liver mass. Additionally, the liver's ability to regenerate and repair itself also declines with age, further contributing to its decrease in size.

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  • 26. 

    The Caudate lobe is separated from the right lobe by the...

    • Ligamentum venosum

    • IVC

    • Aorta

    Correct Answer
    A. IVC
    Explanation
    The Caudate lobe is separated from the right lobe by the IVC. The IVC, or inferior vena cava, is a large vein that carries deoxygenated blood from the lower body to the heart. It is located on the right side of the body, running parallel to the spine. The IVC acts as a boundary between the Caudate lobe and the right lobe of the liver, helping to separate these two structures anatomically.

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  • 27. 

    The ____________ segment was formally called the quadrate lobe.

    Correct Answer
    medial
    Explanation
    The term "medial" refers to the middle or central part of something. In this context, the segment that was formally called the quadrate lobe is being referred to as the medial segment.

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  • 28. 

    Before the bifurcation of the anterior and posterior branches of the portal vein, an imaginary line can be drawn out from the __________ portal vein to also divide the ________________ and ______________ segments.

    Correct Answer
    right, anterior, posterior
    Explanation
    Before the bifurcation of the anterior and posterior branches of the portal vein, an imaginary line can be drawn out from the right portal vein to also divide the anterior and posterior segments. This means that the right portal vein serves as a reference point to separate the anterior and posterior segments of the liver.

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  • 29. 

    Who further divided the liver into 8 segments?

    Correct Answer
    couinaud
    Explanation
    Couinaud further divided the liver into 8 segments.

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  • 30. 

    The right hepatic vein runs _____________________ between the two segments.

    Correct Answer
    intersegmentally
    Explanation
    The right hepatic vein runs intersegmentally between the two segments. This means that it runs in the space or area that lies between the two segments of the liver. It indicates that the vein is located in the intersegmental region, serving as a pathway for blood flow between the two segments of the liver.

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  • 31. 

    Within the main lobar fissure lies the __________ ___________ ___________ which runs intersegmental.

    Correct Answer
    middle hepatic vein
    Explanation
    The middle hepatic vein is located within the main lobar fissure and runs intersegmental. This means that it runs between different segments of the liver.

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  • 32. 

    The liver is completely covered by a dense fibroelastic connective tissue layer called ______________ ______________.

    Correct Answer
    Glisson's capsule
    Explanation
    Glisson's capsule is a dense fibroelastic connective tissue layer that completely covers the liver. It provides support and protection to the liver, helping to maintain its shape and structure. This capsule is important in maintaining the integrity of the liver and preventing damage from external forces.

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  • 33. 

    The liver has ____(#) lobes

    Correct Answer
    3, three
    Explanation
    The liver is divided into lobes, and it has three of them. Each lobe has its own blood supply and bile ducts. The three lobes are the left lobe, right lobe, and caudate lobe. Understanding the number of lobes in the liver is important for medical professionals to accurately diagnose and treat liver-related conditions.

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  • 34. 

    The greatest ANTEROPOSTERIOR measurement of the liver ranges from..

    • 10- 12.5 cm

    • 12- 14 cm

    • 10- 12 cm

    Correct Answer
    A. 10- 12.5 cm
    Explanation
    The greatest anteroposterior measurement of the liver ranges from 10-12.5 cm. This means that when measuring the liver from the front to the back, the largest measurement falls within this range. The liver is an organ located in the upper right side of the abdomen and its size can vary slightly between individuals. The given range provides the acceptable measurement for the greatest anteroposterior dimension of the liver.

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  • 35. 

    The gallbladder fossa, porta hepatis, and areas surrounding the IVC are located in the ____________ _____________.

    Correct Answer
    bare area
    Explanation
    The gallbladder fossa, porta hepatis, and areas surrounding the IVC are all found in the bare area. This term refers to a specific region within the abdominal cavity where these structures are located. The bare area is a significant anatomical landmark that helps identify the position and orientation of these structures during medical examinations or surgical procedures.

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  • 36. 

    The right lobe of the liver is ________ times larger than the left.

    • 4

    • 5

    • 6

    Correct Answer
    A. 6
    Explanation
    The right lobe of the liver is 6 times larger than the left lobe.

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  • 37. 

    The liver is separated into ____(#) segments based on blood supply and biliary drainage.

    Correct Answer
    4, four
    Explanation
    The liver is divided into four segments based on its blood supply and biliary drainage. Each segment has its own blood vessels and bile ducts, allowing for efficient functioning and regulation of the liver. This segmentation helps in understanding the anatomy and physiology of the liver and is important for surgical procedures and interventions.

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  • 38. 

    The main/ most important measurement of the liver is the ______________ measurement.

    • Anteroposterior

    • Transverse

    • Length of the right surface

    Correct Answer
    A. Length of the right surface
    Explanation
    The length of the right surface is the main or most important measurement of the liver. This measurement refers to the distance from the top to the bottom of the right side of the liver. It provides valuable information about the size and shape of the liver, allowing for accurate assessment and diagnosis of liver conditions.

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  • 39. 

    The abdominal visceral side of the liver is...

    Correct Answer
    concave
    Explanation
    The correct answer is concave. The abdominal visceral side of the liver is concave because it is located on the underside of the liver, facing towards the abdominal cavity. This concavity allows the liver to fit snugly against the abdominal organs, such as the stomach and intestines, and provides a better anatomical fit within the abdominal cavity.

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  • 40. 

    The left hepatic vein lies in the ________ _______________ fissure and divides the medial segment from the ______________ segment of the left lobe.

    Correct Answer
    left intersegmental, lateral
    Explanation
    The left hepatic vein lies in the left intersegmental fissure and divides the medial segment from the lateral segment of the left lobe.

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  • 41. 

    The right lobe is divided into anterior and posterior segments both _______segmentally and _______segmentally.

    Correct Answer
    inter, intra, intra, inter
    Explanation
    The right lobe of the liver is divided into two segments, the anterior and posterior segments. These segments are divided both intersegmentally (between different segments) and intrasegmentally (within the same segment). This means that there are divisions between the anterior and posterior segments (intersegmental division) as well as divisions within each segment (intrasegmental division).

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  • 42. 

    The descending portion of the left portal vein (before it divides into the medial and lateral branches) is the only portion of the portal veins that run intersegmental and separates the medial and lateral segments of the left lobe.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The ASCENDING portion of the left portal vein (before it divides into the medial and lateral branches) is the only portion of the portal veins that run intersegmental and separates the medial and lateral segments of the left lobe.

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  • 43. 

    The greatest LENGTH of the RIGHT surface of the liver is...

    • 15- 17.5 cm

    • 13-15 cm

    • 15- 17 cm

    Correct Answer
    A. 15- 17 cm
    Explanation
    The correct answer is 15-17 cm. This range represents the greatest length of the right surface of the liver. It indicates that the length of the right surface of the liver can vary between 15 and 17 centimeters.

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  • 44. 

    The right lobe of the liver is separated from the left lobe on its visceral surface by the...

    • Main lobar fissure

    • Falciform ligament

    • Ligamentum venosum

    Correct Answer
    A. Main lobar fissure
    Explanation
    The right lobe of the liver is separated from the left lobe on its visceral surface by the main lobar fissure. This fissure is a deep groove that runs obliquely across the liver, dividing it into the right and left lobes. It is also known as the main hepatic fissure or the porta hepatis. The falciform ligament and ligamentum venosum are not involved in the separation of the right and left lobes of the liver. The falciform ligament attaches the liver to the anterior abdominal wall and separates the left lobe from the anterior part of the liver. The ligamentum venosum is a remnant of the fetal ductus venosus and does not contribute to the separation of the liver lobes.

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  • 45. 

    The caudate lobe is drained by small veins called _______________ _______________ which enter directly into the IVC.

    Correct Answer
    emissary veins
    Explanation
    The caudate lobe of the liver is drained by small veins called emissary veins. These veins directly enter into the inferior vena cava (IVC), which is the main vein that carries deoxygenated blood from the lower body back to the heart. Emissary veins serve as a direct pathway for blood drainage from the caudate lobe into the IVC, bypassing other liver structures.

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  • 46. 

    ________________ _______________ contains blood and lymphatic vessels and nerves.

    Correct Answer
    Glisson's capsule
    Explanation
    Glisson's capsule is a connective tissue layer that surrounds the liver. It is composed of blood and lymphatic vessels, as well as nerves. This capsule provides support and protection to the liver, as well as helps in the distribution of essential nutrients and oxygen through the blood vessels. It also contains lymphatic vessels that aid in the removal of waste products and toxins from the liver. The presence of nerves allows for the transmission of signals and coordination of various liver functions.

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  • 47. 

    The right lobe is dived intrasegmentally by the ______________ _______________

    Correct Answer
    portal veins
    Explanation
    The right lobe of the liver is divided intrasegmentally by the portal veins. The portal veins are responsible for carrying blood from the digestive organs to the liver. This division allows for efficient blood flow and distribution of nutrients throughout the liver.

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  • 48. 

    Check all that affect the size of the liver

    • Height

    • History of HTN

    • Weight

    • Age

    • History of DM

    Correct Answer(s)
    A. Height
    A. Weight
    A. Age
    Explanation
    The size of the liver can be affected by height, weight, and age. Height can influence the size of the liver as taller individuals tend to have larger organs. Weight also plays a role as obesity can lead to an enlarged liver. Age is another factor as the liver tends to decrease in size and function as a person gets older. However, there is no direct correlation between a history of HTN (hypertension) or DM (diabetes mellitus) and the size of the liver.

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  • 49. 

    The segmental division of the liver is based on _____________ ________________

    Correct Answer(s)
    hepatic function
    Explanation
    The segmental division of the liver is based on hepatic function. This means that the liver is divided into segments based on its different functions, such as detoxification, protein synthesis, and bile production. Each segment has its own blood supply and bile duct, allowing for efficient functioning of the liver. This division is important for understanding the anatomy and physiology of the liver and its role in various metabolic processes.

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  • Current Version
  • Mar 20, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 23, 2010
    Quiz Created by
    Mnathan21
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