MCQ on Necrosis

By
Sourav Bio

Necrosis is a type of cell death that occurs in living tissue, usually as a result of disease, injury, or infection. It is characterized by the uncontrolled breakdown of cellular structures, which can lead to inflammation and tissue damage. Necrosis can be acute or chronic and can result in a range of symptoms, including pain, swelling, and discoloration. Treatment for necrosis may involve removing the dead tissue, cleaning and dressing the wound, and providing supportive care to promote healing. In severe cases, surgical intervention may be necessary to remove the affected tissue and prevent further damage.

1. What is necrosis?

a) A type of cell injury

b) A type of cell growth

c) A type of cell division

d) A type of cell communication

Answer: a) A type of cell injury

2. What causes necrosis?

a) Infection

b) Physical trauma

c) Ischemia

d) All of the above

Answer: d) All of the above

3. Which of the following is a symptom of necrosis?

a) Pain

b) Swelling

c) Discoloration

d) All of the above

Answer: d) All of the above

4. What type of necrosis involves the complete breakdown of cellular structures?

a) Coagulative necrosis b) Liquefactive necrosis c) Caseous necrosis d) Fibrinoid necrosis

Answer: b) Liquefactive necrosis

5. What is coagulative necrosis?

a) The most common type of necrosis b) The preservation of tissue architecture in necrosis c) The breakdown of cellular structures in necrosis d) None of the above

Answer: b) The preservation of tissue architecture in necrosis

6. What type of necrosis is associated with tuberculosis?

a) Coagulative necrosis b) Liquefactive necrosis c) Caseous necrosis d) Fibrinoid necrosis

Answer: c) Caseous necrosis

7. Which of the following is a cause of ischemic necrosis?

a) Blood flow restriction b) Infection c) Toxins d) Trauma

Answer: a) Blood flow restriction

8. What is the treatment for necrosis?

a) Removing the dead tissue b) Cleaning and dressing the wound c) Providing supportive care d) All of the above

Answer: d) All of the above

9. What can prolonged or severe necrosis lead to?

a) The development of scars b) Fibrotic tissue c) Organ impairment d) All of the above

Answer: d) All of the above

10. What can necrosis trigger in the body?

a) An inflammatory response b) A healing response c) A regenerative response d) None of the above

Answer: a) An inflammatory response

11. What imaging techniques can be used to visualize necrotic tissue?

a) Ultrasound b) CT scans c) MRI d) All of the above

Answer: d) All of the above

12. What can cause necrosis as a rare complication of some surgical procedures?

a) Blood flow restriction b) Infection c) Toxins d) Trauma

Answer: a) Blood flow restriction

13. What can researchers investigate for the treatment of necrosis?

a) Stem cell therapies b) Tissue engineering techniques c) Both a and b d) None of the above

Answer: c) Both a and b

14. What can necrosis result in for patient health and quality of life?

a) Significant consequences b) Mild consequences c) No consequences d) None of the above

Answer: a) Significant consequences

15. What is the role of the immune system in responding to necrosis?

a) Remove dead cells b) Promote the regeneration of healthy tissue c) Both a and b d) None of the above

Answer: c) Both a and b

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