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Complement Exercise I

Quiz by NorOmaima Harun

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15 questions
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  • Q1
    1. Complement system
    serum proteins acts as biological cascade
    are set of antibodies
    both a and b
    consists of 20 serum proteins
    60s
  • Q2
    2. Complement System is involved in
    none of these
    both a and b
    specific defence
    non-specific defence
    30s
  • Q3
    3. Which of the following statements are true regarding complement activation
    opsonization
    production of mediators that attracts neutrophils to the site of imfalmmation
    lysis of pathogen, tumor cells and allografts
    all of these
    45s
  • Q4
    4. Classical pathway of complement system is activated by
    antigenic peptides
    antibody-antigen complexes
    antigen
    antigens bound to MHC
    30s
  • Q5
    5. Alternate pathway of complement system is activated by
    antibody-antigen complexes
    antigens bound to MHC
    antigen
    microorganisms or its toxins
    45s
  • Q6
    6. Classical pathway of complement system is involved in
    both a and b
    specific defence
    non-specific defence
    adaptive immunity
    60s
  • Q7
    7. Alternate pathway of complement system is involved in
    adaptive immunity
    innate immunity
    non-specific defence
    both a and b
    60s
  • Q8
    8. Which of the following is the central moleucule in complement pathway
    C1
    C2
    C5
    C3b
    60s
  • Q9
    9. Cell lysis in complement pathway is initiated by
    membrane attacking complex
    membrane destruction complex
    membrane degradation complex
    membrane lysis complex
    45s
  • Q10
    10. MAC is
    C5b5789 complex
    C5b6789 complex
    C5b65678 complex
    protein polysaccharide complex
    45s
  • Q11
    11. Which of the following is the most potent anaphylatoxin
    C1
    C4a
    C5a
    C3a
    60s
  • Q12
    12. Which of the following is required for C1 activation
    Ca
    Zn
    Mn
    Mg
    60s
  • Q13
    13. In alternate pathway
    factor d is involved
    only factor f is involved
    both a and b
    factor b is involved
    45s
  • Q14
    14. Biological role of complement system include
    opsonisation
    cytolysis and chemotaxis
    all of these
    anaphylotoxin and enhanced antibody production
    45s
  • Q15
    15. Body's own cells are protected from membrane attack complex by a surface glycoprotein called
    DAF
    TCR
    BCR
    MHC
    45s

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