GNM 1st Year Lymphatic System – 10 Marks Q&A | Anatomy & Physiology 2026 | NursingNotesGNM

 

GNM 1st Year Anatomy & Physiology – The Lymphatic System

Important 10 Marks Questions with Answers (Updated for GNM Final Exam 2026)

By NursingNotesGNM | As per INC Syllabus

The Lymphatic System is a very important long-answer unit in GNM 1st Year Anatomy & Physiology. These 10-mark questions are written in simple nursing language with definitions, features, and functions for maximum scoring in exams.

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✍️ Important 10 Marks Questions with Answers (GNM)

1. Define lymphatic system. Describe its parts and functions.

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

Parts of Lymphatic System: • Lymph • Lymph vessels • Lymph nodes • Lymphoid organs – spleen, thymus, tonsils

Functions: • Maintains fluid balance • Absorbs fats from intestine • Produces lymphocytes • Filters harmful substances • Provides immunity • Helps in removal of waste products

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2. Describe lymph. Explain its formation and functions.

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

Formation of Lymph: Blood plasma filters out from capillaries forming tissue fluid. Excess tissue fluid enters lymph capillaries and becomes lymph.

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

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3. Explain lymph nodes with structure and functions.

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

Structure: • Capsule • Cortex • Medulla • Hilum

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

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4. Describe spleen with its location and 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

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5. Write in detail about thymus gland.

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

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

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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 through thoracic duct.

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

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🧠 Exam Tips – 10 Marks

✔ Start with definition

 ✔ Write headings and subheadings 

✔ Include 6–8 points 

✔ Draw simple diagram if asked 

✔ Keep handwriting neat.

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