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Eustachian valve is associated with...

Eustachian valve is associated with

A

Connection between middle ear and Pharynx

B

Middle ear

C

Left ventricles of heart

D

Right auricle of heart

Text Solution

AI Generated Solution

The correct Answer is:
To determine what the Eustachian valve is associated with, we can analyze the options provided step by step: ### Step 1: Understand the Eustachian Valve The Eustachian valve, also known as the valve of the inferior vena cava, is a structure found in the heart. It is primarily associated with the flow of blood from the inferior vena cava into the right atrium (auricle) of the heart. ### Step 2: Evaluate the Options 1. **Connection between middle ear and pharynx**: This describes the Eustachian tube, not the Eustachian valve. Therefore, this option is incorrect. 2. **Middle ear**: The middle ear contains ossicles (malleus, incus, stapes) that transmit sound. The Eustachian valve is not related to the middle ear. Thus, this option is also incorrect. 3. **Left ventricle of heart**: The left ventricle is responsible for pumping oxygenated blood to the body. The Eustachian valve does not connect to the left ventricle. Hence, this option is incorrect. 4. **Right auricle of heart**: The Eustachian valve is associated with the inferior vena cava, which drains deoxygenated blood into the right auricle of the heart. This option is correct. ### Conclusion The Eustachian valve is associated with the **right auricle of the heart**. ### Final Answer The correct answer is **option 4: right auricle of heart**. ---
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