Lack of breathing is

Options

A. apnea
B. eupnea
C. dyspnea
D. asphyxia

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the lack of breathing.

2. **Reviewing the Options**: The options provided are:
- Apnea
- Eupnea
- Dyspnea
- Asphyxia

3. **Defining Each Term**:
- **Apnea**: This is defined as a complete lack of breathing or cessation of breath. It indicates that an individual is not breathing at all.
- **Eupnea**: This refers to normal, unlabored breathing. It is the state of breathing that is considered healthy and typical.
- **Dyspnea**: This term describes shortness of breath. It indicates difficulty in breathing but does not mean a complete lack of breath.
- **Asphyxia**: This condition involves a deficiency in the supply of oxygen to the body, often due to abnormal breathing or choking. It is not synonymous with a complete lack of breathing.

4. **Identifying the Correct Answer**: Based on the definitions, the term that specifically refers to a complete lack of breathing is **Apnea**.

5. **Conclusion**: Therefore, the correct answer to the question "Lack of breathing is" is **Apnea**.

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