What is true about Oedema?

Correct option is D

Oedema is the accumulation of excess fluid in the interstitial spaces (between cells) or body cavities. It may be localized (e.g., in legs or lungs) or generalized (as in anasarca). Oedema is a clinical sign, not a disease itself, and is often reversible with appropriate treatment such as:

• Diuretics
• Treating underlying disease (e.g., heart failure, kidney disease)
• Dietary modifications (e.g., salt restriction)

Explanation of Each Option:

• (a) It is fluid retention in the body –
  This is correct. Oedema occurs when there is an imbalance between fluid filtration and reabsorption, leading to excess fluid retention in the tissues.
• (b) Affected tissues become swollen –
  True. The main visible sign of oedema is swelling, particularly in areas like the ankles, feet, hands, face, or lungs (in pulmonary oedema). The skin may appear stretched or shiny.
• (c) It is reversible –
  Yes. Oedema can be reversible, especially when it is caused by temporary conditions such as prolonged standing, minor injury, or nutritional issues. Treatment of the underlying cause can lead to full resolution.
• (d) All of these –
  Since all the above statements are correct, the right answer is (d) All of these.