Entry of food into the trachea is prevented by

Options

A. Fpiglotis
B. Bicuspid valve
C. Sphincter of Oddi
D. Epimysium

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the mechanism that prevents food from entering the trachea during swallowing.

2. **Identifying the Options**: The options provided are:
- A) Epiglottis
- B) Cuspid valve
- C) Sphincter of Oddi
- D) Epimysium

3. **Analyzing the Options**:
- **A) Epiglottis**: This is a flap of tissue located at the base of the tongue. It plays a crucial role in directing food away from the trachea and into the esophagus during swallowing.
- **B) Cuspid valve**: This is a term usually associated with the heart, specifically the valves between the atria and ventricles. It does not relate to the trachea or swallowing.
- **C) Sphincter of Oddi**: This is a muscular valve that controls the flow of digestive juices from the pancreas and liver into the small intestine. It does not prevent food from entering the trachea.
- **D) Epimysium**: This is a connective tissue that surrounds muscles. It has no role in the swallowing process or in preventing food from entering the trachea.

4. **Conclusion**: The only option that directly relates to the prevention of food entering the trachea is **A) Epiglottis**. When swallowing, the epiglottis covers the trachea, ensuring that food passes into the esophagus instead.

5. **Final Answer**: The entry of food into the trachea is prevented by **A) Epiglottis**.

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