Haematuria is the disorder involving

Options

A. a) The loss of blood through the urine
B. b) Loss of haemoglobin in RBC
C. c) Loss of glucose in urine
D. d) The increase in concentration of blood urea

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Hematuria":**
- The term "hematuria" can be broken down into two parts: "hema" which refers to blood and "uria" which refers to urine. This indicates that hematuria involves blood in the urine.

2. **Identifying the Correct Definition:**
- Based on the breakdown of the term, hematuria specifically refers to the presence of blood in the urine. Therefore, it is associated with the loss of blood through urine.

3. **Analyzing the Options:**
- Option A: Loss of blood through the urine - This aligns with the definition of hematuria.
- Option B: Loss of hemoglobin in RBC - This does not relate to hematuria.
- Option C: Loss of glucose in urine - This is a condition known as glucosuria, not hematuria.
- Option D: Increase in the concentration of blood urea - This refers to a different condition related to kidney function, not hematuria.

4. **Conclusion:**
- Given the analysis of the options, the correct answer is Option A: Loss of blood through the urine.

**Final Answer:**
- Hematuria is the disorder involving the loss of blood through the urine (Option A).

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