Which of the following statements about chyme is correct ?

Options

A. It is the fully-digested food in the stomach
B. It is the fully-digested food in the small intestine
C. It is the partially-digested acidic food in the stomach
D. It is the partially-digested alkaline food in the small intestine

Answer

To determine which statement about chyme is correct, let's analyze the characteristics of chyme step by step:

1. **Definition of Chyme**: Chyme is a semi-fluid mass of partially digested food mixed with gastric juices that is formed in the stomach and passed into the small intestine.

**Hint**: Remember that chyme is not fully digested; it is a mixture of food and digestive juices.

2. **Composition of Chyme**: Chyme consists of gastric juices (which are acidic) and partially digested food. This means that the food has undergone some digestion but is not completely broken down.

**Hint**: Focus on the fact that chyme is a combination of food and digestive secretions.

3. **Analyzing the Options**:
- **Option 1**: "It is fully digested food in stomach." - This statement is incorrect because chyme is not fully digested.
- **Option 2**: "It is the fully digested food in small intestine." - This statement is also incorrect because chyme is still not fully digested when it reaches the small intestine.
- **Option 3**: "It is partially digested acidic fluid in the stomach." - This statement is correct as chyme is indeed a partially digested acidic fluid found in the stomach.
- **Option 4**: "It is the partially digested alkaline fluid in the small intestine." - This statement is incorrect because while chyme becomes more alkaline in the small intestine, it is not alkaline when it is still in the stomach.

4. **Conclusion**: Based on the analysis, the correct statement about chyme is that it is a partially digested acidic fluid in the stomach.

**Final Answer**: The correct option is Option 3: "It is partially digested acidic fluid in the stomach."