Which word means 'to stop up; to prevent the passage of'?

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Multiple Choice

Which word means 'to stop up; to prevent the passage of'?

Explanation:
The concept being tested is vocabulary for blocking or closing an opening. Occlude means to block an opening or to stop the passage of something, such as a vessel, a channel, or light. It directly conveys the sense of obstructing or sealing off. Ostentation refers to showiness or unnecessary display, so it doesn’t fit. Paragon means a perfect example or model, which is unrelated to blocking. Pedant describes someone overly concerned with minor details or rules, also not about obstruction. A typical use would be in a medical or technical context: surgeons may occlude a blood vessel to stop bleeding.

The concept being tested is vocabulary for blocking or closing an opening. Occlude means to block an opening or to stop the passage of something, such as a vessel, a channel, or light. It directly conveys the sense of obstructing or sealing off.

Ostentation refers to showiness or unnecessary display, so it doesn’t fit. Paragon means a perfect example or model, which is unrelated to blocking. Pedant describes someone overly concerned with minor details or rules, also not about obstruction.

A typical use would be in a medical or technical context: surgeons may occlude a blood vessel to stop bleeding.

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