fastest to slowest routes of administration!! help!

  1. 0
    my exam is next monday and my teacher is conveniently on vacation! I need some help with the fastest to slowest routes of administration!!

    I am getting confused...different sources, different rankings! lol

    please rank these for me in order from fastest rate of absorption to the slowest:

    inhalation
    oral
    sublingual
    buccal
    topical (including transdermal)
    Mucous membranes
    IV injection
    IM injection
    sub Q injection

    thanks!!!
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  4. 3 Comments so far...

  5. 0
    Use your critical thinking skills...hint: IV = fastest and depending on the med, PO or topical can be the slowest.
  6. 0
    the only one i'm absolutely sure of is the iv injection. it goes directly into the vein so it is utilitized within seconds. i suspect inhalation is second because the medication is absorbed directly into the capillaries of the lung, basically similar to going directly into the bloodstream. based on that criteria, you'd have to do a little investigation on the internet and in your textbooks. sorry, i can't be of more help.
    #2 - inhalation
    oral
    sublingual
    buccal
    topical (including transdermal)
    mucous membranes
    #1 - iv injection
    im injection (generally take 15-30 minutes to take effect)
    sub q injection
  7. 0
    thanks everyone. my thoughts would be:

    inhalation
    IV injection
    sublingual
    IM injection
    Sub Q injection
    oral
    topical

    I guess I should just go with that. does that sound right?


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