A&P II Club! Come on in! - page 19

Who all is taking A&P 2 ? Is there going to be a club?:idea:... Read More

  1. by   DivaMomto3
    YAY! LOL Well, good luck to you tomorrow. I am meeting with a group of girls from class tonight at Barnes and Nobles. I better get to filling in the rest of this study guide, lol. Let me know how they work for you!!!
  2. by   stpauligirl
    Quote from DivaMomto3
    HA HA! Not hardly! Maybe my mom does, though. SHe's given me some pretty good tips *** a great foundation for being able to h***le heavy loads.

    I'm studying for my lymphatics *** immunity test now. Does anyone have a decent explanation of haptans *** chemotaxis?
    Chemotaxis means that phagocytes may be attracted or repelled by chemicals in surrounding fluids...this guides the White Blood cells to invading pathogens or damaged tissues *** other active WBC.
    Haptens are small, partial antigens *** are useless alone, they need to combine with a protein in our body to become antigenic.
  3. by   stpauligirl
    Quote from TexasAngel
    I just remember that haptiens are molecules that are too small and cant illicit the allergic reaction without some other larger molecule to assist it. The way I understand Chemotaxis is the process of destroying foreign antigens by rupturing their membranes to render them harmless. Anyone else have a better explanation?
    What you are referring to is Cytotoxic cells (CD8's) which secret preforin into enemie cells which ultimately kills those cells.
    Chemotaxis is when chemicals are released during an inflammatory response which call in the WBCells to do their job. Think of it this way....the WBC are blind and are called and guided by the chemicals to their target, the pathogens.
  4. by   stpauligirl
    Quote from stpauligirl
    Chemotaxis means that phagocytes may be attracted or repelled by chemicals in surrounding fluids...this guides the White Blood cells to invading pathogens or damaged tissues *** other active WBC.
    Haptens are small, partial antigens *** are useless alone, they need to combine with a protein in our body to become antigenic.
    Here is the Poison Ivy story....the oil in Poison Ivy is the hapten, when it binds with our proteins we will get an allegic response. (The oil alone doesn't do anything only when it binds with our protein)...same thing happens with poison oak and in Contact Dermatitis.
  5. by   DivaMomto3
    Thank you so much for clarifying that!!!! I was hoping you would see this before my test because I remember reading that your instructor went into great detail on this and ours really didn't. Again, you rock!!!! LOL
  6. by   lisabeth
    Let me ask you, because the section that I was reading from mentioned chemotaxis in the same section as initiating complement. I really wasnt refering to cytotoxic cells at all. I know those are T-cells. I really do not think I am learning near what I did from A&P 1 and I know it is the different methods the instructor uses, and I cannot pay attention to what he is saying while I am copying those stupid outlines. :angryfire :angryfire :angryfire Others in my class are saying the same thing. What is your understanding of the complement issue. You seem to be learning a lot more than I am.
    Thanks.


    Quote from stpauligirl
    What you are referring to is Cytotoxic cells (CD8's) which secret preforin into enemie cells which ultimately kills those cells.
    Chemotaxis is when chemicals are released during an inflammatory response which call in the WBCells to do their job. Think of it this way....the WBC are blind and are called and guided by the chemicals to their target, the pathogens.
  7. by   DivaMomto3
    Ok, complement aids antibodies in 4 actions....

    ~Neutralizing microbes by covering active sites, immobilizing, and agglutination
    ~Opsonize
    ~Lyse microbes with complement. Lyse parasites with eosinophils.
    ~Cause Inflammation

    Complement is made in the liver.


    I hope that helps!!!
  8. by   lisabeth
    Ok. I am going to print this off and study it. I am just so frustrated, and knowing my exam is tomorrow doesnt help. Thanks Diva!!!

    Quote from DivaMomto3
    Ok, complement aids antibodies in 4 actions....

    ~Neutralizing microbes by covering active sites, immobilizing, and agglutination
    ~Opsonize
    ~Lyse microbes with complement. Lyse parasites with eosinophils.
    ~Cause Inflammation

    Complement is made in the liver.


    I hope that helps!!!
  9. by   stpauligirl
    Quote from TexasAngel
    Let me ask you, because the section that I was reading from mentioned chemotaxis in the same section as initiating complement. I really wasnt refering to cytotoxic cells at all. I know those are T-cells. I really do not think I am learning near what I did from A&P 1 and I know it is the different methods the instructor uses, and I cannot pay attention to what he is saying while I am copying those stupid outlines. :angryfire :angryfire :angryfire Others in my class are saying the same thing. What is your understanding of the complement issue. You seem to be learning a lot more than I am.
    Thanks.
    Ok, i hope this will make sense.
    Compliment are plasma proteins, ever present and ready to do their job, they are like a landmine in your plasma. It assists antibodies in the destruction of pathogens. It covers the pathogens and makes them very tasty for the macrophages which then eat up the pathogens. Diva used that fancy term opsonization ( I hope I spelled that right)
    Complement undergoes an enzyme cascade and works in nonspecific and spedific immunity.
    There are two pathways, the classical and the alternate. the most rapid activation occurs in the classical pathway.
    Compliment also punctures cells using perforin (I am sorry I misunderstood since CD8's function similar)
    Last edit by stpauligirl on Oct 22, '06
  10. by   DivaMomto3
    See, my instructor admitted that he was not 100% familiar with this particular subject (lymphatics and immunity) because everything he reads tells a different story. So, he was pretty basic with us about the whole thing.
  11. by   lisabeth
    Yes, your explanation makes perfect sense. You and Divamom were a great help to me.
    Thank you both so much. I cant sleep because I am so uptight, and feeling like I am not learning what I need to know doesnt help any at all.
    Thanks again.


    Quote from stpauligirl
    Ok, i hope this will make sense.
    Compliment are plasma proteins, ever present and ready to do their job, they are like a landmine in your plasma. It assists antibodies in the destruction of pathogens. It covers the pathogens and makes them very tasty for the macrophages which then eat up the pathogens. Diva used that fancy term opsonization ( I hope I spelled that right)
    Complement undergoes an enzyme cascade and works in nonspecific and spedific immunity.
    There are two pathways, the classical and the alternate. the most rapid activation occurs in the classical pathway.
    Compliment also punctures cells using perforin (I am sorry I misunderstood since CD8's function similar)
  12. by   DivaMomto3
    You're welcome hon!

    I can't sleep either! My sinuses are going nuts and I am reviewing a few more things. Our study group went well, though. I hope you get some sleep!!!
  13. by   stpauligirl
    Quote from TexasAngel
    Yes, your explanation makes perfect sense. You and Divamom were a great help to me.
    Thank you both so much. I cant sleep because I am so uptight, and feeling like I am not learning what I need to know doesnt help any at all.
    Thanks again.
    I am always very worked up before a test, too.
    Before my first lecture test I got up totally early and get this....I scrubbed my kitchen!!!! We have an all white kitchen and I wiped everything down with bleach solution, now is that crazy or what!?!?! Well, the kitchen needed scrubbing and it helped me cope with my anxiety at that time.
    I hope that you will get some rest. Dress warm in the morning it's supposed to be in the 40's. Make yourself a nice cup of hot chocolate before bed.
    Good luck and you will hear me whine on Thursday since we will have lecture test 2 on Friday.
    Are we a great study group or what?????

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