The combining form nas/o refers to which anatomical region?

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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 nas/o refers to which anatomical region?

Explanation:
nas/o denotes the nose—the nasal region and nasal cavity. In medical terminology, combining forms pair a root with a connecting vowel to form terms related to a specific body region, so nas/o is used for structures involving the nose (for example, nasopharynx or nasogastric). This is why the nasal passage/nose is the correct region. The mouth would use a different root (or/o or stomat/o), the larynx uses laryng/o, and the trachea uses trache/o, illustrating how the root points to the specific area.

nas/o denotes the nose—the nasal region and nasal cavity. In medical terminology, combining forms pair a root with a connecting vowel to form terms related to a specific body region, so nas/o is used for structures involving the nose (for example, nasopharynx or nasogastric). This is why the nasal passage/nose is the correct region. The mouth would use a different root (or/o or stomat/o), the larynx uses laryng/o, and the trachea uses trache/o, illustrating how the root points to the specific area.

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