Sistem Pertahanan Tubuh

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| By Nurhida
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Nurhida
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Questions: 10 | Attempts: 504

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Sistem Pertahanan Tubuh - Quiz

Dosen :pak bagus sardi waktu :60 menit materi :sistem pertahanan tubuh SELAMAT MENGERJAKAN


Questions and Answers
  • 1. 

    Kekebalan yang dimiliki sejak lahir dan bersifat non spesifik disebut

    • A.

      Kekebalan bawaan

    • B.

      Kekebalan seluler

    • C.

      Kekebalan buatan

    • D.

      Kekebalan humoral

    Correct Answer
    A. Kekebalan bawaan
    Explanation
    The correct answer is "kekebalan bawaan" because it refers to the immunity that is present at birth and is non-specific. This type of immunity is the body's first line of defense against pathogens and is not targeted towards specific antigens. It includes physical barriers like the skin and mucous membranes, as well as cellular and chemical components such as phagocytes and inflammation.

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  • 2. 

    Sel-sel limfoid yang berperan dalam kekebalan yang di perantarai sel adalah

    • A.

      Limfosit B

    • B.

      Pembuluh limfa

    • C.

      Imunoglobin B

    • D.

      Imunoglobin G

    Correct Answer
    A. Limfosit B
    Explanation
    The correct answer is limfosit B. Limfosit B adalah sel-sel limfoid yang berperan dalam kekebalan yang di perantarai sel. Mereka bertanggung jawab untuk memproduksi antibodi yang dapat mengikat dan menghancurkan patogen seperti bakteri dan virus. Selain itu, limfosit B juga dapat berperan dalam respons imun yang lebih kompleks seperti pengaktifan sel T dan regulasi imunitas.

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  • 3. 

    IMUNOGLOBINYANG MAMAPU MELALUI PLAASSENTA

    • A.

      IgK

    • B.

      IgM

    • C.

      IgD

    • D.

      IgG

    Correct Answer
    D. IgG
    Explanation
    IgG is the correct answer because it is the only immunoglobulin that can cross the placenta. IgG is produced by the mother's immune system and can provide passive immunity to the fetus, protecting it from certain infections. IgK, IgM, and IgD are other types of immunoglobulins, but they cannot cross the placenta.

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  • 4. 

    Masa antara pemberian anti gen  dan di temukan anti body dalam serum

    • A.

      Periode hapten

    • B.

      Periode laten

    • C.

      Periode mantap

    • D.

      Periode prumer

    Correct Answer
    B. Periode laten
    Explanation
    The correct answer is "periode laten". The explanation for this answer is that the "periode laten" refers to the time period between the administration of an antigen and the detection of antibodies in the serum. This period represents the time it takes for the immune system to produce antibodies in response to the antigen. During this period, the immune system undergoes various processes such as activation of B cells, clonal expansion, and differentiation into antibody-secreting plasma cells. Once the antibodies are produced, they can be detected in the serum through various laboratory tests.

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  • 5. 

    Jika antibody menyerang sel tubuhnya sendiri yang di anggap antigen ,peristiwa ini di sebut

    • A.

      Autoiminitas

    • B.

      Respon primer

    • C.

      Respon sekunder

    • D.

      Isoimunitas

    Correct Answer
    A. Autoiminitas
    Explanation
    The correct answer is autoiminitas. Autoiminitas refers to the immune system's response when antibodies attack the body's own cells, mistaking them for antigens. This can lead to autoimmune diseases where the immune system mistakenly targets and damages healthy tissues.

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  • 6. 

    Limofit yang mengalami pematangan di sumsum tulang belakang akan berkembang menjadi....

    • A.

      Sel B

    • B.

      Neutrofil

    Correct Answer
    A. Sel B
    Explanation
    When Limofit undergoes maturation in the bone marrow, it will develop into B cells.

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  • 7. 

    Yang disebut dengan esiimunitas adalah.....

  • 8. 

    Substansi kimia yangmampu merangsang sistem imun disebut?

    • A.

      Antigen

    • B.

      Antibodi

    Correct Answer
    A. Antigen
    Explanation
    Antigen adalah substansi kimia yang mampu merangsang sistem imun. Ketika antigen masuk ke dalam tubuh, sistem imun akan mengenali antigen tersebut sebagai benda asing dan merespons dengan memproduksi antibodi. Antibodi kemudian akan berikatan dengan antigen untuk menghancurkannya atau menandai antigen tersebut agar dapat dikenali dan dihancurkan oleh sel-sel imun lainnya. Dengan demikian, antigen berperan penting dalam merangsang sistem imun untuk melawan infeksi dan penyakit.

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  • 9. 

    Respon kekebalan sekunder lebih cepat menghadapi infeksi antigen karena......

    • A.

      Memori imunologis

    • B.

      Antibodi

    Correct Answer
    A. Memori imunologis
    Explanation
    The correct answer is "Memori imunologis." The secondary immune response is faster because the body has already encountered the antigen before and developed a memory of it. This memory allows the immune system to recognize the antigen more quickly and mount a faster and more efficient response. Antibodies play a role in the immune response, but they are not specifically responsible for the faster secondary response.

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  • 10. 

    Antibodi yang paling banyak ditemukan dalam sekresi tubuh adalah ?

    • A.

      Ig A

    • B.

      Ig B

    • C.

      Ig C

    • D.

      Ig L

    Correct Answer
    A. Ig A
    Explanation
    The most abundant antibody found in body secretions is IgA. IgA is primarily found in mucosal areas such as the respiratory and gastrointestinal tracts, as well as in saliva, tears, and breast milk. It plays a crucial role in immune defense at these sites by preventing the attachment and invasion of pathogens. IgA is also involved in neutralizing toxins and allergens, providing passive immunity to newborns through breastfeeding, and promoting the clearance of pathogens from the body.

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