The treatment of snake-bite by antivenine is an example of

Options

A. Artificial acquired active immunity
B. Artificial acquired passive immunity
C. Natural acquired passive immunity
D. Specific natural immunity

Answer

To determine the type of immunity involved in the treatment of snake bites by antivenin, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Immunity Types**:
- Immunity can be classified into two main categories: active and passive immunity.
- **Active Immunity**: This occurs when the immune system produces its own antibodies in response to an antigen (pathogen).
- **Passive Immunity**: This occurs when antibodies are transferred from one individual to another, providing temporary protection.

2. **Differentiating Between Active and Passive Immunity**:
- **Artificially Acquired Active Immunity**: This is achieved through vaccination, where a person is exposed to a weakened or inactive form of a pathogen, prompting the body to produce its own antibodies.
- **Artificially Acquired Passive Immunity**: This involves the direct transfer of antibodies from one individual to another, typically through an injection or transfusion.

3. **Identifying the Nature of Antivenin**:
- Antivenin is an antiserum that contains antibodies specifically designed to neutralize the venom from snake bites.
- It is administered to individuals who have been bitten by snakes to provide immediate protection against the effects of the venom.

4. **Classifying Antivenin Treatment**:
- Since antivenin involves the injection of pre-formed antibodies into the patient's body, it does not require the patient's immune system to produce these antibodies.
- Therefore, this treatment falls under the category of artificially acquired passive immunity.

5. **Conclusion**:
- The treatment of snake bites by antivenin is an example of **artificially acquired passive immunity**.