Pcol 838a Exam 1: Liver Diseases Review Questions 2025/2026 Exam All Answers and Illustrations Given

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Pcol 838a Exam 1: Liver Diseases
Review Questions 2025/2026 Exam All
Answers and Illustrations Given



from which vascular beds do the hepatic central veins derive their blood flow? - 🧠

ANSWER ✔✔portal vein and hepatic artery




blood flow: portal vein/hepatic artery -> central vein -> hepatic vein -> inferior

vena cava

what cell types make up the liver, and what are their distinguishing characteristics?

- 🧠 ANSWER ✔✔hepatocytes: metabolism


cholangiocytes: line the bile duct, secretion

kupffer cells: phagocytosis of pathogens and particles (dead cells)

stellate cells: storage of vit A

sinusoidal endothelial cells: filtering system




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STATEMENT. ALL RIGHTS RESERVED

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what is the difference between the lobule concept and the acinus concept of the

liver sub-architecture? - 🧠 ANSWER ✔✔lobule


•anatomical unit of the liver in hexagonal shape

•central structure is central vein and the periphery is delineated by portal tracts




acinus

•functional unit of the liver

•divided into 3 zones

what are some physiological consequences of functional zonation in the liver? - 🧠

ANSWER ✔✔increase in metabolic efficiency


what activities are found in zone 1 hepatocytes? in zone 3 hepatocytes? - 🧠

ANSWER ✔✔zone 1


•oxidative metabolism

•gluconeogenesis

•ureagenesis




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COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED