Cellular Injury Principles Quiz

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What is the final electron acceptor in the electron transport chain of oxidative phosphorylation?

Oxygen (correct)

Glucose

Carbon dioxide

Hydrogen peroxide

Which type of cells are highly susceptible to ischemic injury?

Cardiac muscle cells

Skeletal muscle cells

Liver cells

Neurons (correct)

What is the main cause of hypoxemia?

Low partial pressure of oxygen in the blood (correct)

Increased oxygen-carrying capacity of blood

High carbon dioxide levels in the blood

High partial pressure of oxygen in the blood

What is the key factor that leads to cellular injury in hypoxia?

Lack of ATP production Signup and view all the answers

What is the definition of ischemia?

Decreased blood flow through an organ Signup and view all the answers

What are the morphologic hallmarks of cell death?

Nuclear condensation, fragmentation, and dissolution Signup and view all the answers

What are the two mechanisms of cell death?

Necrosis and apoptosis Signup and view all the answers

What is the characteristic feature of coagulative necrosis?

Preservation of cell shape and organ structure by coagulation of proteins Signup and view all the answers

Which condition is associated with liquefactive necrosis?

Brain infarction Signup and view all the answers

What is gangrenous necrosis characterized by?

Resemblance to mummified tissue (dry gangrene) Signup and view all the answers

Which type of necrosis is characteristic of brain infarction?

Liquefactive necrosis Signup and view all the answers

What is the defining feature of coagulative necrosis?

Preservation of cell shape and organ structure Signup and view all the answers

Which condition is associated with red infarction?

Pulmonary infarction Signup and view all the answers

What is the main cause of gangrenous necrosis?

Underlying pathologic process Signup and view all the answers

What is the key characteristic of apoptosis?

Physiologic process Signup and view all the answers

Which type of necrosis is associated with acute inflammation?

Liquefactive necrosis Signup and view all the answers

What is the defining feature of coagulative necrosis?

Preservation of cell shape and organ structure Signup and view all the answers

What is the characteristic of gangrenous necrosis?

Resembles mummified tissue Signup and view all the answers

Which type of necrosis is characteristic of pancreatitis?

Liquefactive necrosis Signup and view all the answers

What is the primary cause of necrosis?

Underlying pathologic process Signup and view all the answers

Which type of necrosis is characteristic of brain infarction?

Liquefactive necrosis Signup and view all the answers

What is the characteristic feature of coagulative necrosis?

Firm necrotic tissue with preserved cell shape and organ structure Signup and view all the answers

Which type of necrosis is characteristic of ischemic infarction of any organ except the brain?

Coagulative necrosis Signup and view all the answers

Which mechanism of cell death is associated with acute inflammation?

Necrosis Signup and view all the answers

What are the morphologic hallmarks of cell death?

Nuclear condensation, fragmentation, and dissolution Signup and view all the answers

Which type of necrosis is characteristic of abscess formation?

Liquefactive necrosis Signup and view all the answers

What is the main difference between coagulative and liquefactive necrosis?

Firm vs. liquefied necrotic tissue Signup and view all the answers

Which type of necrosis resembles mummified tissue?

Gangrenous necrosis Signup and view all the answers

What are the two mechanisms of cell death?

Necrosis and apoptosis Signup and view all the answers

Which type of necrosis is characteristic of ischemic infarction of the brain?

Coagulative necrosis Signup and view all the answers

Which type of necrosis is characteristic of ischemia of the lower limb and GI tract?

Gangrenous necrosis Signup and view all the answers

What is the characteristic feature of coagulative necrosis?

Necrotic tissue that remains firm Signup and view all the answers

What is the primary cause of necrosis?

Low ATP disrupting key cellular functions Signup and view all the answers

Cellular Injury Principles Quiz

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Questions and Answers

What is the final electron acceptor in the electron transport chain of oxidative phosphorylation?

Which type of cells are highly susceptible to ischemic injury?

What is the main cause of hypoxemia?

What is the key factor that leads to cellular injury in hypoxia?

What is the definition of ischemia?

What are the morphologic hallmarks of cell death?

What are the two mechanisms of cell death?

What is the characteristic feature of coagulative necrosis?

Which condition is associated with liquefactive necrosis?

What is gangrenous necrosis characterized by?

Which type of necrosis is characteristic of brain infarction?

What is the defining feature of coagulative necrosis?

Which condition is associated with red infarction?

What is the main cause of gangrenous necrosis?

What is the key characteristic of apoptosis?

Which type of necrosis is associated with acute inflammation?

What is the defining feature of coagulative necrosis?

What is the characteristic of gangrenous necrosis?

Which type of necrosis is characteristic of pancreatitis?

What is the primary cause of necrosis?

Which type of necrosis is characteristic of brain infarction?

What is the characteristic feature of coagulative necrosis?

Which type of necrosis is characteristic of ischemic infarction of any organ except the brain?

Which mechanism of cell death is associated with acute inflammation?

What are the morphologic hallmarks of cell death?

Which type of necrosis is characteristic of abscess formation?

What is the main difference between coagulative and liquefactive necrosis?

Which type of necrosis resembles mummified tissue?

What are the two mechanisms of cell death?

Which type of necrosis is characteristic of ischemic infarction of the brain?

Which type of necrosis is characteristic of ischemia of the lower limb and GI tract?

What is the characteristic feature of coagulative necrosis?

What is the primary cause of necrosis?

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