Question

1. in the medical term arthr/itis, -itis is the:

word root
prefix
suffix
combining form

1. the word part attached to the end of a word root in order to modify its meaning is the:

prefix
combining form
word root
suffix

1. the most common combining vowel is:

o
u
i
e

Explanation:

1. For question 4: In medical terminology, a suffix is a word part added to the end of a word root. "-itis" is attached to the end of "arthr-" (the word root meaning joint), so it is a suffix.
2. For question 5: By definition, a suffix is the word part attached to the end of a word root to change or modify its meaning, while prefixes attach to the start, word roots are the core, and combining forms are modified roots with a vowel.
3. For question 6: In medical terminology, the letter 'o' is the most frequently used combining vowel to connect word parts smoothly.

Answer:

1. C. suffix
2. D. suffix
3. A. 'o'