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ARDMS Abdomen Review Chapter 1 Liver Exam Questions and Complete Solutions Graded A+
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ARDMS Abdomen Review Chapter 1 Liver Exam Questions and Complete Solutions Graded A+
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ARDMS Abdomen ReviewChapter 1 Liver Exam
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
,The liver is devided into what 3 lobes? - Answer: Right, Left, and caudate
What is the right hepatic lobe devided into? - Answer: Anterior and posterior segments
What is the left hepatic lobe devided into? - Answer: Medial and lateral segments
What part ofnthe liver was formerly the quadrate lobe? - Answer: The medial left lobe
Where does the caudate lobe lie? - Answer: On the posterior superior surface of the liver between the
IVC and medial left lobe of the liver.
What vessels supply the caudate lobe and which drain it? - Answer: branches of the right and left portal
veins and hepatic arterial system supply the caudate and the emissary veins drain it directly into the IVC.
The right hepatic lobe is supplied by what vessel? - Answer: Right portal vein
The left hepatic lobe is supplied by what vessel? - Answer: Left portal vein
The caudate lobe is supplied by what vessel? - Answer: Branches from the right and left portal veins.
What vessels course between the lobes and segments? (interlobar, intersegmental) - Answer: Hepatic
veins
What vessels course to the center of each segment? (Intrasegmental?) - Answer: Portal triad
What vessels make up the portal triad? - Answer: Main portal vein, proper hepatic artery, common
hepatic duct
What is the direction of fetal circulation? - Answer: Umbilical vein to left portal vein to ductus venosum
to IVC.
, Hepatopedal means what? - Answer: Flow towards the liver (above baseline)
Hepatofugal means what? - Answer: Flow away from the liver (below baseline)
The liver recieves oxygen via what vessels? - Answer: Hepatic artery and the portal vein.
The portal vein provides what percentage of the livers bloodflow and what percentage of its oxygen
needs? - Answer: 75% of its bloodflow and 60% of its oxygen needs
What is the upper limits of portal vein diameter? - Answer: 13mm
What does a portal vein diameter of > than 13mm suggest? - Answer: Portal hypertension
Hepatic vein waveforms are typically ______reflecting right atrial filling, contraction and relaxation. -
Answer: Triphasic
The proper hepatic artery runs parallel to what vessel and is located anterior to what vessel? - Answer:
Main portal vein, anterior and to the left of main portal vein
What is the classic anatomy of the right and left hepatic artery arising from? 55% of the time. - Answer:
The proper hepatic artery
The right hepatic artery may appear replaced from what vessel? 11% of the time - Answer: The superior
mesenteric artery.
A replaced right hepatic artery is seen ______to the main portal vein. - Answer: Posterior
The left hepatic artery may originate from what vessel 10% of the time? - Answer: Left gestric artery
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