Digestive System 2 Marks Questions & Answers – GNM 1st Year Anatomy | NursingNotesGNM
Digestive System – 2 Marks Questions & Answers (GNM 1st Year Anatomy & Physiology)
📑 Table of Contents
Introduction
2 Marks Questions & Answers (1–30)
Quick Revision Points
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📘 Introduction
These 2 Marks Questions & Answers on the Digestive System are prepared for GNM 1st Year Nursing students. They are useful for short-answer exams, viva, and quick revision.
✅ Digestive System – 2 Marks Q&A
1. Define digestion.
Digestion is the process by which complex food substances are broken down into simple absorbable forms.
2. What is absorption?
Absorption is the passage of digested nutrients from the intestine into blood and lymph.
3. Name any two functions of liver.
• Secretion of bile
• Metabolism of nutrients
4. Write two functions of stomach.
• Digestion of proteins
• Temporary storage of food
5. What are villi?
Villi are finger‑like projections in the small intestine that increase surface area for absorption.
6. Name two accessory digestive organs.
Liver and pancreas.
7. What is bile?
Bile is an alkaline digestive fluid produced by liver that helps in emulsification of fats.
8. Define metabolism.
Metabolism is the sum of all chemical reactions occurring in the body.
9. Name two enzymes of saliva.
Amylase and lysozyme.
10. Write two functions of pancreas.
• Secretes digestive enzymes
• Produces insulin
11. What is peristalsis?
Peristalsis is wave‑like muscular movement that pushes food along the alimentary canal.
12. Mention two functions of large intestine.
• Absorption of water
• Formation of feces
13. What is defecation?
Defecation is the process of elimination of feces from the body.
14. Name two parts of small intestine.
Duodenum and jejunum.
15. Write two functions of saliva.
• Moistens food
• Begins starch digestion
16. What is chyme?
Chyme is semi‑fluid mixture of partially digested food in stomach.
17. Name two gastric enzymes.
Pepsin and gastric lipase.
18. Define ingestion.
Ingestion is the intake of food into the mouth.
19. What are lacteals?
Lacteals are lymph vessels in villi that absorb fats.
20. Write two functions of gall bladder.
• Stores bile
• Concentrates bile
21. What is intrinsic factor?
Intrinsic factor is a substance secreted by stomach necessary for absorption of vitamin B12.
22. Name two end products of digestion.
Glucose and amino acids.
23. Define assimilation.
Assimilation is utilization of absorbed nutrients by body cells.
24. Write two functions of small intestine.
• Completes digestion
• Absorbs nutrients
25. What is segmentation?
Segmentation is mixing movement of intestinal contents.
26. Name two fat‑soluble vitamins.
Vitamin A and Vitamin D.
27. What is rugae?
Rugae are folds of stomach lining that allow expansion.
28. Write two functions of mucus.
• Protects stomach lining
• Lubricates food
29. What is hepatic portal circulation?
It is circulation that carries blood from intestine to liver.
30. Name two functions of rectum.
• Storage of feces
• Initiates defecation reflex
🌟 Quick Revision Points
Small intestine = absorption
Liver = metabolism
Stomach = protein digestion
Large intestine = water absorption
Rectum = fecal storage
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