Free Cell Injury and Adaptation MCQs with Answers
31 Cell Injury and Adaptation MCQs from Pathology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Autolysis
- B. Lysis
- C. Apoptosis
- D. Autopsy
Explanation: Apoptosis is regulated, programmed cell death that removes unwanted cells without the marked inflammation typical of necrosis.
Correct answer: Apoptosis- A. Spleen
- B. Lung
- C. Liver
- D. Brain
Explanation: Liquefactive necrosis is classically seen in the brain after ischemic injury because enzymatic digestion converts the tissue into a soft…
Correct answer: Brain- A. Dead tissue
- B. Salivary glands
- C. Normal tissues
- D. Skin layers
Explanation: Dystrophic calcification is deposition of calcium salts in dead or damaged tissue, even when the serum calcium level is normal.
Correct answer: Dead tissue- A. Occurs in damaged tissue
- B. Serum calcium levels are high
- C. Atherosclerotic lesions
- D. Tuberculous lesions
Explanation: Dystrophic calcification occurs in damaged tissues such as tuberculous lesions and atherosclerotic plaques, usually despite normal serum…
Correct answer: Serum calcium levels are high- A. Mitotic cell division
- B. Blood coagulation
- C. Apoptotic cell death
- D. G1 to S phase of cell cycle
Explanation: Caspases are proteolytic enzymes that dismantle the cell during apoptosis by cleaving structural and regulatory proteins.
Correct answer: Apoptotic cell death- A. Fatty change
- B. Hyaline change
- C. Amy
- D. Atrophy
Explanation: The tigered or tabby appearance of the heart is produced by fatty change, with yellow streaks of fat contrasting against the darker…
Correct answer: Fatty change- A. Caseation
- B. Liquefaction
- C. Coagulation
- D. Fibrinoid
Explanation: Hydrolytic digestion of dead cells produces liquefaction, so the tissue becomes soft and fluid.
Correct answer: Liquefaction- A. Single cell necrosis
- B. Intracytoplasmic accumulation
- C. Degenerative change
- D. Neoplastic change in the cell
Explanation: Apoptosis is programmed death of individual cells, so it is often described in basic pathology as single-cell death.
Correct answer: Single cell necrosis- A. Necrosis
- B. Autolysis
- C. None of the above
- D. Apoptosis
Explanation: The cyclical shedding of endometrial cells is a regulated, hormone-dependent process involving apoptosis rather than necrosis.
Correct answer: Apoptosis- A. Coagulative nacrosis
- B. Liquefactive necrosis
- C. Caseous necrosis
- D. Fat necrosis
Explanation: Hypoxic injury in most solid organs causes coagulative necrosis because protein denaturation temporarily preserves the tissue…
Correct answer: Coagulative nacrosis- A. Characteristic of focal bacterial infections
- B. Characteristic of hypoxic death
- C. Characteristic by loss of tissue architecture
- D. None of the above
Explanation: Coagulative necrosis is the typical pattern of ischemic or hypoxic cell death in solid organs, except in the brain.
Correct answer: Characteristic of hypoxic death