Questions: Which of the following are examples of combining forms? - dent - laryng/o - gastr/o - rhin/o - oid

The answer is the second one (laryng/o), the third one (gastr/o), and the fourth one (rhin/o): these are examples of combining forms.

Explanation for each option:

1. dent: This is not a combining form. It is a root word meaning "tooth."

2. laryng/o: This is a combining form. It combines the root "laryng" (referring to the larynx or voice box) with the combining vowel "o."

3. gastr/o: This is a combining form. It combines the root "gastr" (referring to the stomach) with the combining vowel "o."

4. rhin/o: This is a combining form. It combines the root "rhin" (referring to the nose) with the combining vowel "o."

5. oid: This is not a combining form. It is a suffix meaning "resembling" or "like."

In summary, the combining forms in the list are laryng/o, gastr/o, and rhin/o.