GNM 1st Year Lymphatic System – 5 Marks Q&A | Anatomy & Physiology 2026 | NursingNotesGNM

GNM 1st Year Anatomy & Physiology – The Lymphatic System

Important 5 Marks Questions with Answers (Updated for GNM Final Exam 2026)

By NursingNotesGNM | As per INC Syllabus

The Lymphatic System is a frequently asked unit in GNM 1st Year Anatomy & Physiology. These 5-mark questions are prepared in simple nursing language for quick revision before exams.

✍️ Important 5 Marks Questions with Answers (GNM)

1. Define lymphatic system and explain its functions.

Answer: The lymphatic system is a network of lymph vessels, lymph nodes, and lymphoid organs that drains tissue fluid and helps in body defense.

Functions: • Maintains fluid balance by returning tissue fluid to blood
• Absorbs fats from intestine
• Produces lymphocytes
• Filters harmful substances
• Provides immunity

2. Describe lymph and its functions.

Answer: Lymph is a clear, colorless fluid formed from tissue fluid and contains lymphocytes.

Functions of lymph: • Carries fats from intestine
• Removes waste products
• Transports lymphocytes
• Maintains tissue fluid balance
• Helps in immunity

3. Explain lymph nodes with their functions.

Answer: Lymph nodes are small bean-shaped structures situated along lymph vessels. They act as filters for lymph.

Functions: • Filter lymph
• Produce lymphocytes
• Destroy bacteria and foreign particles
• Help in immune response
• Enlarge during infection (clinical importance)

4. Describe spleen with its functions.

Answer: The spleen is the largest lymphatic organ, located in the left upper abdomen.

Functions: • Filters blood
• Produces lymphocytes
• Destroys old RBCs
• Stores blood
• Helps in immunity

5. Write a short note on thymus gland.

Answer: The thymus is a lymphatic organ located behind the sternum. It is active in childhood and plays an important role in immunity.

Functions: • Maturation of T-lymphocytes
• Development of immune system
• Secretion of thymosin hormone

6. Explain circulation of lymph.

Answer: Lymph is formed from tissue fluid and flows through lymph capillaries, lymph vessels, lymph nodes, and finally enters venous circulation.

Pathway: • Tissue fluid → Lymph capillaries
• Lymph vessels → Lymph nodes
• Thoracic duct → Venous blood

🧠 Exam Tips – 5 Marks (Lymphatic System)

✔ Start with definition
✔ Write 4–5 clear points
✔ Use subheadings
✔ Draw simple diagram if asked
✔ Keep answers neat and short

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