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Cell Injury and Death in Pathology

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Questions and Answers

What is the main enzyme involved in traumatic (non-enzymatic) fat necrosis?

Phospholipase (correct)

Insulin

Catalase

Amylase

In which condition is fibrinoid necrosis commonly seen?

Diabetes mellitus

Hypothyroidism

Type III hypersensitivity reactions (correct)

Hypertension

What type of cell death is characterized by brightly eosinophilic, hyaline-like deposition in the vessel wall?

Necrosis (correct)

Autophagy

Pyroptosis

Apoptosis

Which of the following diseases is an example of fibrinoid necrosis?

Polyarteritis nodosa (C) Signup and view all the answers

What distinguishes apoptosis from necrosis?

Inflammation accompanies apoptosis but not necrosis (A) Signup and view all the answers

What is the consequence of the release of phospholipases and lipases in traumatic fat necrosis?

Damage to adipocyte membrane and leakage of TAGs (D) Signup and view all the answers

Which immune reaction type is associated with the pathogenesis of fibrinoid necrosis?

Type III hypersensitivity (A) Signup and view all the answers

What can be observed microscopically in fibrinoid necrosis?

Hyaline-like appearance in the vessel wall. (C) Signup and view all the answers

What characterizes the process of apoptosis compared to necrosis?

Inflammation accompanies apoptosis but not necrosis. (C) Signup and view all the answers