10 Questions
What is the primary cause of fat necrosis in the context of pancreatitis?
The release of activated pancreatic lipases
What is the appearance of fatty acids after they form soaps in fat necrosis?
White opaque masses or plaques
Which process involves the disruption of the plasma membrane and enzymatic digestion of cellular contents?
Necrosis
What is the process of fragmentation of the nucleus into nucleosome-sized fragments called?
Apoptosis
What is the main difference in cell size between necrosis and apoptosis?
Cells are enlarged in necrosis and reduced in apoptosis
What is the physiologic or pathologic role of apoptosis?
Often physiologic but may be pathologic after some form of cell injury (esp. DNA damage)
What is the abnormal tissue deposition of calcium salts called?
Pathologic calcification
Where does pathologic calcification often occur?
At sites of necrosis
What are the other minerals that can be found in smaller amounts in pathologic calcification?
Iron, magnesium, and others
What are the three types of pathologic calcification?
Dystrophic, metastatic, and idiopathic calcification
This quiz covers the explanation of various cellular adaptations, causes, mechanisms, and consequences of cell injury. Topics include the functions of mitochondria, ribosomes, endoplasmic reticulum, and Golgi apparatus in cellular processes.
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