The combining form hydr/o denotes which substance?

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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

The combining form hydr/o denotes which substance?

Explanation:
Hydr/o denotes water. In medical terms, combining forms link a root to a suffix or another element, and hydr/o is used whenever the word relates to water. That’s why hydration means giving or retaining water, while dehydration means loss of water. Other substances use different roots (oxygen with oxy- or ox-, glucose with gluc- or glyco-, minerals with mineral-), so hydr/o is specifically about water.

Hydr/o denotes water. In medical terms, combining forms link a root to a suffix or another element, and hydr/o is used whenever the word relates to water. That’s why hydration means giving or retaining water, while dehydration means loss of water. Other substances use different roots (oxygen with oxy- or ox-, glucose with gluc- or glyco-, minerals with mineral-), so hydr/o is specifically about water.

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