Pathology - Cellular Injury Quiz
Preview:
What is a common morphologic feature of reversible cell injury?
A. Necrosis
B. DNA fragmentation
C. Hydropic change
D. Apoptosis
Which of the following is NOT a basic mechanism of cell injury?
A. ATP depletion
B. Increased protein synthesis
C. Permeabilization of cell membranes
D. DNA damage
What is the term used to describe the narrow range of stability in cellular function?
A. Equilibrium
B. Homeostasis
C. Steady state
D. Adaptation
What is the primary biochemical change seen in hypoxic injury?
A. Increased DNA replication
B. Reduction in ATP production
C. Enhanced protein synthesis
D. Increased mitochondrial function
What process follows if an organism dies due to massive cellular injury?
A. Necrosis
B. Apoptosis
C. Autolysis
D. Reversible injury
What is the main morphologic pattern seen in irreversible cell injury?
A. Cell swelling
B. Apoptosis
C. Necrosis
D. Protein aggregation
Who first demonstrated that cellular alterations correlate with the clinical aspects of disease?
A. Rudolf Virchow
B. Robert Koch
C. Louis Pasteur
D. Anton van Leeuwenhoek
Which of the following is an example of intracellular accumulation of proteins?
A. Hyaline droplets in renal tubular epithelial cells
B. Fat accumulation in the liver
C. Water accumulation in mitochondria
D. Cholesterol deposits in blood vessels
Which of the following can result from nutrient deficiencies?
A. Genetic abnormalities
B. Immunological dysfunctions
C. Abnormal metabolic processes
D. Overnutrition
Which of the following is NOT a possible outcome when a cell is exposed to an injurious agent?
A. Adaptation
B. Reversible injury
C. Transformation into another cell type
D. Cell death
Which of the following is a common macroscopic feature of fatty liver?
A. Shrinkage and atrophy of the liver
B. Enlarged, pale, and greasy appearance
C. Fibrous tissue deposition in the liver
D. Thickening of the liver capsule
What mechanism underlies chemical injuries to cells?
A. Production of free radicals
B. Physical trauma
C. Protein synthesis disruption
D. DNA repair
What accumulates during cellular degeneration due to hypoxia?
A. Lipids
B. Proteins
C. Water
D. Carbohydrates
Which of the following is a feature of irreversible cell injury?
A. Apoptosis
B. Necrosis
C. Cell swelling
D. Reversible degeneration
The accumulation of what substance leads to fatty change in cells?
A. Protein
B. Lipids
C. Carbohydrates
D. Water