Medical Terminology - Lecture 5: Prefixes
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Questions and Answers

What is a prefix in medical terminology?

A word element added at the beginning of a word.

What does changing the prefix for a certain word root do?

  • Changes the meaning of the word. (correct)
  • Changes the spelling of the word.
  • Changes the pronunciation of the word.

    • What does the prefix "intra" indicate?

  • Inside (correct)
  • Around
  • Behind
  • Outside

    • What does "intra-abdominal" mean?

    <p>Related to inside the abdomen.</p> Signup and view all the answers

    What does "endometritis" mean?

    <p>Inflammation inside the uterus</p> Signup and view all the answers

    What does "pericarditis" mean?

    <p>Inflammation around or surrounding the heart.</p> Signup and view all the answers

    What does "ectocervical" mean?

    <p>Related to outside the cervical wall.</p> Signup and view all the answers

    What does "empyema" mean?

    <p>Pus inside a body cavity, especially the chest.</p> Signup and view all the answers

    What does "retrocardial" mean?

    <p>Pertaining to behind the heart.</p> Signup and view all the answers

    What does "postnasal" mean?

    <p>Related to behind the nose.</p> Signup and view all the answers

    What does "subcutaneous" mean?

    <p>Under the skin.</p> Signup and view all the answers

    What does "subhepatic" mean?

    <p>Related to under the liver.</p> Signup and view all the answers

    What does "hypodermic needle" mean?

    <p>Related to a needle inserted under the skin.</p> Signup and view all the answers

    What does "intercostal" mean?

    <p>Related to between the ribs.</p> Signup and view all the answers

    What does "antepartum" mean?

    <p>Before child birth.</p> Signup and view all the answers

    What does "preoperative" mean?

    <p>Before surgery.</p> Signup and view all the answers

    What does "afebrile" mean?

    <p>Without fever.</p> Signup and view all the answers

    What does "anesthesia" mean?

    <p>Without feeling.</p> Signup and view all the answers

    What does "antitoxin" mean?

    <p>Against toxin or poison.</p> Signup and view all the answers

    What does "contraception" mean?

    <p>Prevention of conception.</p> Signup and view all the answers

    What does "dissect" mean?

    <p>To separate tissues for anatomical study.</p> Signup and view all the answers

    What does "insignificant" mean?

    <p>Not important.</p> Signup and view all the answers

    What does "noninfectious" mean?

    <p>Not able to spread disease.</p> Signup and view all the answers

    What does "unconscious" mean?

    <p>Not responsive.</p> Signup and view all the answers

    Prefixes can only indicate the location of a structure.

    <p>False</p> Signup and view all the answers

    The prefix "pre" indicates that something occurs before another event.

    <p>True</p> Signup and view all the answers

    The prefix "anti" always means opposing or preventing something.

    <p>True</p> Signup and view all the answers

    The prefix "sub" always means under, as in "subcutaneous" which refers to below the skin.

    <p>True</p> Signup and view all the answers

    Study Notes

    Medical Terminology - Lecture 5: Prefixes

    • Prefixes are word elements added to the beginning of a word, changing its meaning.
    • Changing a prefix in a word changes its meaning, similar to how different prefixes impact the word "operative" when written as "pre-operative" and "post-operative."
    • Prefixes often indicate location, direction, time, amount, color, size, or a negation (negative).
    • Examples of prefixes indicating location:
      • Intra- / Endo-: inside or within
      • Peri-: around or surrounding
      • Ec- / Ecto-: out or outside
      • Em-/En-: inside or within
      • Retro- / Post-: behind
      • Sub- / Hypo-: under
      • Inter-: between
    • Examples of words using location prefixes:
      • Intra-abdominal: related to inside the abdomen
      • Endometritis: inflammation inside the uterus
      • Pericarditis: inflammation around or surrounding the heart
      • Ectocervical: related to outside the cervical wall
      • Empyema: pus inside a body cavity, specifically the chest.
    • Examples of prefixes indicating time:
      • Ante-/Pre-: before
      • Post-: after
    • Examples of words using time prefixes:
      • Antepartum: before child birth
      • Preoperative medication: a medication given before surgery
      • Postoperative complication: a complication that occurs after surgery
    • Examples of prefixes indicating negation (negative):
      • A-/An-: without or absence of
      • Anti-: against
      • Contra-: against, opposite
      • Dis-: absence, removal, separation
      • In-/Non-/Un-: not
    • Examples of words using negation prefixes:
      • Afebrile: without fever
      • Aseptic: without microorganisms
      • Anesthesia: without feeling
      • Antitoxin: against toxin or poison
      • Contraception: prevention of conception
      • Dissect: to separate tissues for anatomical study
      • Insignificant: not important
      • Noninfectious: not able to spread disease
      • Unconscious: not responsive
    • Prefixes can be combined to create more complex medical terms. For example, "retrocardial" (pertaining to behind the heart), "postnasal" (related to behind the nose), "subcutaneous" (under the skin), "subhepatic" (related to under the liver), "hypodermic needle" (related to a needle inserted under the skin), and "intercostal" (related to between the ribs).

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    Description

    In this quiz, you will explore medical prefixes that modify the meaning of words. Understanding prefixes is essential for interpreting medical terminology, especially regarding location and direction. Test your knowledge on various prefixes used in medical contexts.

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