Which of the following is called Hamburger's shift ?

Options

A. Hydrogen shift
B. Bicarbonate shift
C. Chloride shift
D. Sodium

Answer

To answer the question "Which of the following is called Hamburger's shift?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term**: Hamburger's shift refers to a specific physiological process that occurs in the blood, particularly involving the exchange of gases and ions.

2. **Evaluate the Options**: We need to analyze the given options to identify which one corresponds to Hamburger's shift:
- **Option 1: Hydrogen shift** - This is incorrect as it does not relate to the process in question.
- **Option 2: Bicarbonate shift** - This is a term often used interchangeably with Hamburger's shift, as it describes the movement of bicarbonate ions in the blood.
- **Option 3: Chloride shift** - This is related to the exchange of bicarbonate and chloride ions across red blood cells, but it is not the term we are looking for.
- **Option 4: Sodium** - This option is also incorrect as sodium ions do not relate to Hamburger's shift.

3. **Identify the Correct Answer**: After analyzing the options, we find that the correct answer is **Bicarbonate shift**, which is synonymous with Hamburger's shift.

### Final Answer:
**Bicarbonate shift** is called Hamburger's shift.

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