Select the most appropriate synonym for the underlined word in the given sentence.
An oxygen cylinder is used to deliver oxygen through the patient’s nasal orifice.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. opening.
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Origin refers to the point where something begins or comes into existence.
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Ornate describes something that is highly decorated.
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Ordained means to be officially appointed for a religious role or duty.
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Opening refers to a gap or hole that provides access or entry into something.
In the context of the sentence, opening is a suitable synonym for orifice because both words imply an opening or hole through which something can pass.