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Module 5
Med Word Building - Word Structure - Combining Forms
Question | Answer |
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Define: Combining Form | “a root word plus a combining vowel.” |
What's imperative to do concerning combining forms? | It is imperative to memorize the vowel that accompanies each root word, as you will need it to create many words. |
Four rules that govern word building. Define: Rule 1 | The combining vowel is used when another root or suffix is added to the combining form and the added root word or suffix begins with a consonant. |
Give an example of Rule 1 | hepat/o + megaly = hepatomegaly root word + combining form + suffix hepat/o + splen/o + megaly = hepatosplenomegaly |
Four rules that govern word building. Define: Rule 2 | The combining vowel is dropped when the root word or suffix added to the combining form begins with a vowel. |
Give an example of Rule 2 | hepat/o + itis = hepatitis root word + suffix |
Four rules that govern word building. Define: Rule 3 | Words that end in certain letters, most notably "x," substitute a "c" when combined with suffixes or plural endings. |
Give an example of Rule 3 | cervix + -al = cervical thorax + -ic = thoracic |
Four rules that govern word building. Define Rule 4 | Many prefixes end in a vowel and can be added to a root word or combining form without change to either. Any exceptions to this rule will be noted as they occur. |