Cell Pathology

Question 1

Reversible cellular injury

Answer 1

Cellular response to stress that can return to normal once the stress is removed and homeostasis is returned.

Question 2

Irreversible cellular injury

Answer 2

Cellular response and change in response to stress that cannot return to normal. Typically, membrane functions are irrevocably lost.

Question 3

Types of irreversible cell injury

Answer 3

Pyknosis, karyoffhexis, karyolysis, lysis of chromatin

Question 4

Pyknosis

Answer 4

Condensation of the chromatin

Question 5

Karyorrhexis

Answer 5

Fragmentation of the nucleus into nuclear dust

Question 6

Karyolysis

Answer 6

Dissolution of the nuclear structure as a result of enzymatic digestion.

Question 7

Necrosis

Answer 7

Localized death of cells or tissues due to exogenous causes. Induces an inflammatory response.

Question 8

Apoptosis

Answer 8

Can be due to exogenous or endogenous causes. Programmed cell death. Genetically activated and controlled within the cell.