Prefixes

1. 3 Prefixes

2. Learning Outcomes • Recognize how prefixes are used when building medical words. • Identify prefixes that are commonly used in medical terminology. • Recall prefixes that have more than one meaning.

3. Learning Outcomes • Recognize prefixes that pertain to position or placement. • Identify selected prefixes that pertain to numbers and amounts. • Analyze, build, spell, and pronounce medical words.

4. Overview of Prefixes • Prefix means tofix before or tofix to the beginning of a word. • Prefixes can be a syllable or a group of syllables placed at the beginning of words to alter or modify their meanings or to create entirely new words.

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6. Table 3.1 (continued) Selected Prefixes for General Use

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8. Table 3.1 (continued) Selected Prefixes for General Use

9. Prefixes that have more than one meaning • Just like suffixes, many prefixes have more than one meaning. • To be able to identify the correct meaning of the prefix, you will need to analyze the definition of the medical word. • As you learn the various component parts that are used to build medical words, you will acquire the knowledge to select and use the correct meaning for each word.

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13. Table 3.3 (continued) Prefixes That Pertain to Position or Placement

14. Table 3.3 (continued) Prefixes That Pertain to Position or Placement

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18. Audio Pronunciations • Afebrile • Anicteric • Arrest • Bifurcate • Binary bin- = twice -ary = pertaining to

19. Audio Pronunciations • Concentration • Decompensation • Enucleate • Extraocular

20. Audio Pronunciations • Hyperactive • Hypoplasia • Insomnia • Intermediary inter- = between medi = towards the middle -ary = pertaining to

21. Audio Pronunciations • Latent • Lumen • Multifocal • Occlusion • Parasternal

22. Audio Pronunciations • Patent • Pericardial • Polydactyly • Premenstrual

23. Audio Pronunciations • React • Regurgitation • Sign • Subacute • Superinfection sub- = below acute = sharp

24. Audio Pronunciations • Symptom • Unconscious

25. Prefix Match Up Quiz • brady-a. backward • dys-b. three • hetero-c. painful • retro-d. different • tri-e. slow

26. Review Quiz

27. A prefix that means without is: • an- • ant- • anti- • auto-

28. A prefix that means without is: • an- • ant- • anti- • auto-

29. The prefix de- means: • apart, separate • difficult, painful • down, away from • outside, outer

30. The prefix de- means: • apart, separate • difficult, painful • down, away from • outside, outer

31. The prefix bi- means: • with • two • away from • up

32. The prefix bi- means: • with • two • away from • up

33. What is a prefix that means difficult? • di- • dia- • dis- • dys-

34. What is a prefix that means difficult? • di- • dia- • dis- • dys-

35. The prefix peri- means: • around • away from • beyond • down

36. The prefix peri- means: • around • away from • beyond • down

37. The prefix nulli- means none. • True • False

38. The prefix nulli- means none. • True • False

39. Hypoplasia means underdevelopment of a tissue, organ, or body. • True • False

40. Hypoplasia means underdevelopment of a tissue, organ, or body. • True • False

41. Bifurcate means separating into two branches. • True • False

42. Bifurcate means separating into two branches. • True • False

43. The process of closing or state of being closed is called occlusion. • True • False

44. The process of closing or state of being closed is called occlusion. • True • False

45. The prefix multi- means many. • True • False

46. The prefix multi- means many. • True • False

47. The prefix oligo- means all. • True • False

48. The prefix oligo- means all. • True • False

49. A prefix that means beneath is retro-. • True • False

50. A prefix that means beneath is retro-. • True • False