Which prefix denotes sleep?

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Prepare for the Animal Behavior College Test. Use flashcards and multiple choice questions with hints and explanations. Ensure you're fully prepared for your externship!

Multiple Choice

Which prefix denotes sleep?

Explanation:
The concept being tested is recognizing a prefix that indicates sleep. The best answer is narc- (also seen as narco-). This prefix comes from a root meaning numbness or sleep, and it appears in medical terms like narcolepsy, where it refers to sudden sleep attacks, and narcosis or narcotic, which describe sleep-like stupor or substances that induce sleep. The other prefixes point to something different: nas(o) relates to the nose, necr(o) to death, and neo- to something new. So narc- is the one that signifies sleep.

The concept being tested is recognizing a prefix that indicates sleep. The best answer is narc- (also seen as narco-). This prefix comes from a root meaning numbness or sleep, and it appears in medical terms like narcolepsy, where it refers to sudden sleep attacks, and narcosis or narcotic, which describe sleep-like stupor or substances that induce sleep. The other prefixes point to something different: nas(o) relates to the nose, necr(o) to death, and neo- to something new. So narc- is the one that signifies sleep.

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