Immunologie Test 0% 26 votes, 4.8 avg 0 You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed* The timer has been reached. The exam has now been terminated and saved. Immunologie Test 1 / 60 Citer la fonction immunologique des interfΓ©rons produits par lymphocytes macrophage et lymphoblastes, citer une phrase qui est fausse : a. – Avoir la propriΓ©tΓ© de participer Γ‘ lβactivation de lβhistamine au cours dβune allergie ; b. – Inhibe la rΓ©plication virale c. -Activation des macrophages d. – Activation des lymphocytes e. – Par dΓ©gradation de lβARN viral 2 / 60 Citez lβitem qui est juste, les molΓ©cules CMH III reprΓ©sentent les composants dβactivation de complΓ©ments ? a. – Les gΓ¨nes de la classe I ou CMH-I codent pour plusieurs composants de l'Γ©tape d'activation de la cascade du complΓ©ment b. – Les gΓ¨nes de la classe II ou CMH II codent pour plusieurs composants de l'Γ©tape d'activation de la cascade du complΓ©ment c. – Les gΓ¨nes de la classe III ou CMH III codent pour plusieurs composants de l'Γ©tape d'activation de la cascade du complΓ©ment d. – Les gΓ¨nes de la classe II et III codent pour plusieurs composants de l'Γ©tape d'activation de la cascade du complΓ©ment e. – Les gΓ¨nes de la classe I et II codent pour plusieurs composants de l'Γ©tape d'activation de la cascade du complΓ©ment 3 / 60 Citer les cellules qui sont des cellules non auxiliaires du systΓ¨me immunitaire. a. – Cellules Langerhans b. – Mastocytes c. – Keratocytes d. – Cellules tumorale e. – Cellule dendritique 4 / 60 Parmi les immunoglobulines sous mentionnΓ©es, quelle sont celles qui inhibent lβadhΓ©rence des micro-organismes aux muqueuses intestinaux ? a. – Ig A b. – Ig E c. – Ig M d. – Ig D e. – Ig G 5 / 60 Citer la phrase juste sur les antigΓ¨nes CMH du systΓ¨me du Complexe Majeur d’HistocompatibilitΓ© chez les souris : a. -Les gΓ¨nes CMHII code pour les antigΓ¨nes de surface cellulaire identique aux gΓ¨nes contrΓ΄lant la rΓ©ponse immunitaire de la souris Γ diffΓ©rentes antigΓ¨nes ; b. -Les gΓ¨nes CMHI code pour les antigΓ¨nes de surface cellulaire identique aux gΓ¨nes de rΓ©ponse immunitaire c. -CapacitΓ© de gΓ¨nes de manifester la spΓ©cificitΓ© seule avec les virus et des cellules cibles infectΓ©es d. – CapacitΓ© de gΓ¨nes de manifester la double spΓ©cificitΓ© Γ la fois avec les virus et les molΓ©cules CMH I des cellules cibles infectΓ©es. e. -Les gΓ¨nes CMHI et CMHIII codent pour les antigΓ¨nes de surface cellulaire identique aux gΓ¨nes de rΓ©ponse immunitaire 6 / 60 Citer lβorigine des IgA qui nβest pas juste ? a. -Dans les secrΓ©tions digestives b. -Dans les salives c. -Dans les larmes d. – Dans les urines e. -Dans le colostrum 7 / 60 Principales activitΓ©s du complΓ©ment, citer la phrase juste : a. -Les complΓ©ments ne sont pas utilisΓ©s comme des rΓ©actifs de laboratoires b. -Processus pathologiques conduisant Γ des perforations et lΓ©sions des tissus infectΓ©s par des protΓ©ines de complΓ©ments c. – Processus pathologiques conduisant Γ‘ la rΓ©action inflammation par des interactions des cellules. d. – Processus pathologiques conduisant Γ‘ la rΓ©action de production des immunoglobulines. e. – Processus pathologiques conduisant Γ‘ la rΓ©action inflammatoire des cellules par des complΓ©ments tous seuls. 8 / 60 Citer les caractΓ©ristiques de la fonction immunitaire de lymphocytes CD4, qui est juste : a. – Fonction effectrice. b. – RΓ©gulation de la rΓ©ponse immune Γ‘ la fois cellulaire et humorale . c. -Pas de mΓ©moire immunologique d. -Reconnaissance de lβantigΓ¨ne spΓ©cifique par le rΓ©cepteur BCR e. -PrΓ©sentatrice de peptides. 9 / 60 Le systΓ¨me de complΓ©ment comprenant environ 30 protΓ©ines solubles et membranaires produites par le foie, citer la phrase juste : a. – Est lβensemble de protΓ©ine membranaire des cellules. b. – Est fait partie de lβimmunitΓ© cellulaire c. – Est lβensemble de protΓ©ines issues de lymphocytes B et T appelΓ©s des interleukines d. -Est lβensemble de cytokines des cellules macrophages e. – Est un des mΓ©canismes de dΓ©fense contre les agents infectieuses dans lβimmunitΓ© humorale 10 / 60 Au Cambodge, pour le Programme Elargi de Vaccination du MinistΓ¨re de SantΓ©, la vaccination pour les enfants est gratuite, quels sont les vaccins qui sont utilisΓ©s. Citez le paragraphe qui est juste ? a. -Vaccins : PoliomyΓ©lite, Coqueluche, TΓ©tanos, Rougeole, Vaccin antimΓ©nin-gococcique, BCG, Antirabique. b. -Vaccins : PoliomyΓ©lite, Coqueluche, TΓ©tanos, Rougeole, DiphtΓ©rie, HΓ©patite B, BCG. c. -Vaccins : PoliomyΓ©lite, Coqueluche, TΓ©tanos, Rougeole, DiphtΓ©rie, HΓ©patite B, BCG, d. – Vaccins : PoliomyΓ©lite, Coqueluche, TΓ©tanos, Rougeole, DiphtΓ©rie, BCG, EncΓ©phalites japonaises B, HΓ©patite B, e. -Vaccins : PoliomyΓ©lite, Coqueluche, TΓ©tanos, Rougeole, DiphtΓ©rie, EncΓ©phalite japonaise B, antityphoΓ―de, 11 / 60 Citer une phrase qui est juste, une des diffΓ©rentes phases de la phagocytose est : a. – LibΓ©ration b. – InterfΓ©rence c. – Inclusion d. – AdhΓ©rence e. – Elimination 12 / 60 Le systΓ¨me immunitaire est composΓ© de cellules spΓ©cialisΓ©es et dβeffecteur molΓ©culaire ou molΓ©cules plasmatiques, quelles sont les cellules qui ne libΓ¨rent pas les interleukines dans les organes et le sang plasmatique ? a. Cellules dendritiques b. Cellules blanches du systΓ¨me hΓ©matopoΓ―Γ©tique c. Lymphocytes B d. Macrophages e. HΓ©maties 13 / 60 Fonction des cellules dendritiques ? une phrase qui est fausse ? a. -Sont en premiΓ¨re lignes pour capturer les antigΓ¨nes, b. -Agit en particulier avec les hΓ©maties c. -Prennent source dans la moelle d. -Agit en particulier avec les lymphocytes B et T e. -Participer comme interface entre lβimmunitΓ© humorale et cellulaire 14 / 60 Citer la dΓ©finition de lβΓ©pitope ou dΓ©terminant antigΓ©nique qui est fausse : a. Existe Γ la partie externe et interne du virus ou bactΓ©rie b. Est incapable de stimuler une rΓ©ponse immunitaire c. Muni de structures complexes multi-Γ©pitopiques d. Peut Γͺtre utilisΓ© pour produire des tests de diagnostic au laboratoire e. Est neutralisΓ© par les cytokines 15 / 60 Dans lβhistoire naturelle de lβΓ©volution de la maladie HIV/SIDA. Citer les diffΓ©rentes Γ©tapes de la maladie ? Cocher la phrase juste ? a. -Phase de traitement par des mΓ©dicaments antirΓ©troviraux b. – Phase asymptomatique, puis phage symptomatique qui tΓ©moigne la dΓ©tΓ©rioration progressive de la charge virale en SIDA dΓ©clarΓ© c. -Phase de traitement par les antibiotiques anti-mΓ©ningites. d. – Phase de traitement par les anti-diarrhΓ©iques. e. -Phase de traitement par les antituberculeux 16 / 60 Which of the following is NOT an antigen-detection test? a. ) PCR b. ) Hemagglutination c. ) Gram Staining d. ) Western blot e. ) ELISA 17 / 60 Which part of an antibody binds to an antigen? a. ) Heavy chain b. ) Light chain c. ) Constant region d. ) Variable region e. ) Fc region 18 / 60 Which of the following is a limitation of passive immunotherapy? a. ) It works best in patients with strong immune systems b. ) It can cause allergic reactions or immune responses against the antibodies c. ) It provides long-term immunity d. ) It requires the patientβs immune system to be activated e. ) It stimulates the production of immune cells 19 / 60 What type of ELISA is best for detecting cytokines in a biological sample? a. ) Competitive b. ) Indirect c. ) Direct d. ) Sandwich 20 / 60 Which of the following diseases is most closely associated with C3 deficiency? a. ) Macular degeneration b. ) Atypical hemolytic uremic syndrome (aHUS) c. ) Hereditary angioedema d. ) Systemic lupus erythematosus (SLE) e. ) Recurrent bacterial infections 21 / 60 What is the main function of regulatory T cells (Tregs)? a. ) Stimulate inflammation b. ) Suppress immune response c. ) Activate B cells d. ) Kill infected cells e. ) Release histamine 22 / 60 What is the main advantage of digital PCR (dPCR) over qPCR? a. ) Absolute quantification of viral DNA/RNA b. ) Faster processing c. ) Requires less sample preparation d. ) Less sensitive e. ) More affordable 23 / 60 Which of the following is NOT an example of an antigen? a. ) Viral RNA b. ) Human DNA c. ) Tumor protein d. ) Bacterial protein e. ) Pollen from plants 24 / 60 What does ART stand for in the context of HIV treatment? a. ) Acute Retroviral Treatment b. ) Active Reverse Therapy c. ) Antibody Recombination Therapy d. ) Anti-Retrovirus Therapy e. ) Antiretroviral Therapy 25 / 60 What is the role of Helper T cells (CD4βΊ)? a. ) Produce antibodies b. ) Destroy infected cells c. ) Engulf pathogens d. ) Activate other immune cells e. ) Suppress immune response 26 / 60 Which of the following is an autoimmune disease? a. ) HIV b. ) Influenza c. ) Rheumatoid arthritis d. ) Tuberculosis e. ) Malaria 27 / 60 Which type of HIV test is commonly used to monitor viral load? a. ) PCR (Polymerase Chain Reaction) b. ) ELISA (Enzyme-Linked Immunosorbent Assay) c. ) Western blot d. ) Skin test e. ) Rapid antibody test 28 / 60 What is an example of a primary immunodeficiency? a. ) Asthma b. ) Severe Combined Immunodeficiency (SCID) c. ) Leukemia d. ) Rheumatoid arthritis e. ) AIDS 29 / 60 The function of C3 convertase is to: a. ) Inhibit complement activation b. ) Convert C3 into C3a and C3b c. ) Activate CD8+ T cells d. ) Directly lyse pathogens e. ) Initiate cytokine release 30 / 60 Which of the following is NOT a type of PRR (pattern recognition receptor)? a. ) Scavenger receptors b. ) MHC molecules c. ) TLRs d. ) NLRs e. ) RLRs 31 / 60 Which antibody class is involved in activating the classical pathway of the complement system? a. ) IgG b. ) IgE c. ) IgA d. ) IgD e. ) IgM 32 / 60 What is the role of CD4+ T cells in adaptive immunity? a. ) Destroy pathogens through phagocytosis b. ) Present antigens to B cells c. ) Directly kill infected cells d. ) Recognize antigens on MHC Class I e. ) Produce cytokines that help activate other immune cells 33 / 60 Lymph nodes contain large numbers of: a. ) Platelets b. ) Cartilage cells c. ) Neurons d. ) White blood cells e. ) Red blood cells 34 / 60 Which molecules do APCs use to present antigens to T cells? a. ) Antibodies b. ) Toll-like receptors c. ) Major Histocompatibility Complex (MHC) d. ) Cytokines e. ) Chemokines 35 / 60 Which of these molecules does NOT belong to the HLA system? a. ) HLA-C b. ) HLA-A c. ) HLA-M d. ) HLA-B e. ) HLA-DR 36 / 60 What is the major limitation of ELISA for viral quantification? a. ) Cannot differentiate live from dead virus b. ) Very slow c. ) Only works for DNA viruses d. ) Requires advanced equipment e. ) Cannot detect viral antigens 37 / 60 How are HLA genes inherited? a. ) Through epigenetic modification b. ) Only from the mother c. ) Through mitochondrial DNA d. ) Randomly, without parental influence e. ) Through both parents 38 / 60 Which is the first antibody class produced in response to an infection? a. ) IgA b. ) IgE c. ) IgG d. ) IgD e. ) IgM 39 / 60 Which of these diseases has been linked to a specific HLA-B allele? a. ) Multiple sclerosis b. ) Heart disease c. ) Celiac disease d. ) HIV/AIDS e. ) Tuberculosis 40 / 60 Which of the following is a common opportunistic infection associated with AIDS? a. ) Mycobacterium tuberculosis b. ) Measles c. ) Hepatitis A d. ) Influenza e. ) Herpes simplex virus (HSV) infection 41 / 60 Which type of ELISA is most useful for detecting small molecules like hormones? a. ) Indirect b. ) Competitive c. ) Direct d. ) None of the above e. ) Sandwich 42 / 60 Which of the following HLA molecules is a Class I molecule? a. ) HLA-DR b. ) HLA-DQ c. ) HLA-B d. ) HLA-DP e. ) HLA-DRB1 43 / 60 Which immune cells act as antigen-presenting cells (APCs)? a. ) Mast cells b. ) Plasma cells c. ) Natural killer cells d. ) Eosinophils e. ) Macrophages 44 / 60 Which of the following best defines active immunotherapy? a. ) The body produces its own immune response b. ) Treatment with antivenom c. ) Temporary immunity d. ) Administration of pre-made antibodies e. ) Immediate immune protection 45 / 60 Which of the following is NOT a function of the complement system? a. ) Inflammation b. ) T cell activation c. ) Lysis of pathogens d. ) Phagocytosis of pathogens e. ) Opsonization 46 / 60 What is the normal range for CD4+ T cells in a healthy individual? a. ) 0-200 cells/microliter b. ) 1200-1500 cells/microliter c. ) 500-1200 cells/microliter d. ) 1500-2000 cells/microliter e. ) 200-500 cells/microliter 47 / 60 In a competitive ELISA, how is antigen concentration determined? a. ) Based on light scattering b. ) By antigen migration on a strip c. ) Inversely proportional to signal d. ) Through radioactivity measurement e. ) Directly proportional to signal 48 / 60 What is a key advantage of PCR over antigen detection? a. ) Higher specificity b. ) Less technical expertise needed c. ) Slower processing time d. ) Lower cost e. ) Detects antibodies 49 / 60 What does RIA stand for? a. ) Rapid Immunoassay b. ) Radioimmunoassay c. ) Reactive Immunoassay d. ) Recombinant Immunoassay e. ) Reverse Immunoassay 50 / 60 What type of immunity involves antibodies? a. ) Inflammatory response b. ) Humoral immunity c. ) Passive immunity d. ) Innate immunity e. ) Cell-mediated immunity 51 / 60 In which type of cells would you NOT find Class I HLA molecules? a. ) Kidney cells b. ) Brain cells c. ) Red blood cells d. ) Skin cells e. ) Muscle cells 52 / 60 What type of virus is HIV classified as? a. ) Flavivirus b. ) Picornavirus c. ) Adenovirus d. ) Retrovirus e. ) Herpesvirus 53 / 60 Which cytokine is most associated with HIV-induced immune activation? a. ) IL-4 b. ) IL-6 c. ) IL-2 d. ) TNF-alpha e. ) IL-1 54 / 60 What is the function of memory B cells? a. ) Release histamine b. ) Activate the complement system c. ) Suppress immune response d. ) Provide long-term immunity e. ) Kill infected cells 55 / 60 Which of the following is not an antibody type? a. ) IgG b. ) IgE c. ) IgA d. ) IgM e. ) IgX 56 / 60 Which of the following is a major concern for HIV-positive pregnant women? a. ) Inability to breastfeed b. ) Risk of transmitting HIV to the baby c. ) Reduced viral load due to pregnancy hormones d. ) Increased risk of autoimmune disease e. ) Increased immunity to other diseases 57 / 60 What is the role of mast cells? a. ) Release histamines in allergic reactions b. ) Activate T cells c. ) Present antigens to B cells d. ) Suppress the immune response e. ) Secrete antibodies 58 / 60 Which assay is used to measure the number of infectious virus particles in a sample? a. ) Western blot b. ) ELISA c. ) qPCR d. ) Viral plaque assay e. ) Hemagglutination assay 59 / 60 Which immune response is faster but non-specific? a. ) Adaptive immunity b. ) Humoral immunity c. ) Autoimmunity d. ) Innate immunity e. ) Passive immunity 60 / 60 What chromosome contains the genes for the HLA system? a. ) Chromosome 12 b. ) Chromosome 10 c. ) Chromosome 21 d. ) Chromosome 6 e. ) Chromosome 1 Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback
