Which prefix means outside in medical terminology?

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Prepare for the NHM 195 Dietetics Nutrition Practice Test with flashcards and multiple choice questions. Each question includes hints and explanations to boost your readiness for the exam!

Multiple Choice

Which prefix means outside in medical terminology?

Explanation:
Exo- denotes outside or external, coming from Greek. It’s used when describing something located on or originating from the outside of a reference structure, such as exogenous substances or exoskeletons that sit on the outside. Endo- and intra- point to inside or within, and extra- means outside in a broader sense, but exo- is the precise prefix most often used to indicate outside relative to a given part. That’s why it’s the best choice for this question.

Exo- denotes outside or external, coming from Greek. It’s used when describing something located on or originating from the outside of a reference structure, such as exogenous substances or exoskeletons that sit on the outside. Endo- and intra- point to inside or within, and extra- means outside in a broader sense, but exo- is the precise prefix most often used to indicate outside relative to a given part. That’s why it’s the best choice for this question.

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