Commonly Confused Prefixes in Medical Terminology


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question 1 of 3

The prefixes ad- and ab- have meanings that are _______.

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1. The prefix ______ means slow, while the prefix _____ means little.

2. Which prefix means between?

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About This Quiz & Worksheet

The terrible penmanship of physicians aside, we can become disoriented about medical treatments and terms simply by the confusing similarities of prefixes. The practice questions concentrate on definitions of medical prefixes.

Quiz & Worksheet Goals

In these assessments, you'll be tested on your understanding of the following:

  • The meaning of the prefix peri
  • What the prefixes ad and ab mean
  • Prefixes meaning slow and little
  • Two different prefixes meaning half
  • Prefix that means between

Skills Practiced

The quiz and worksheet will give you the chance to practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on confusing medical prefixes
  • Making connections - use understanding of medical prefixes
  • Information recall - access the knowledge you've gained regarding confusing medical prefixes

Additional Learning

To learn more about confusing medical prefixes, read the accompanying lesson entitled, Commonly Confused Prefixes in Medical Terminology. The lesson stresses the following objectives:

  • Cite possible sources of confusion on the part of medical professionals in regard to some prefixes
  • Indicate a recommended method to differentiate ad from ab
  • Define the prefix anti
  • Define the prefix para
  • Differentiate between the prefixes inter and intra