Immunology mcq - Study guides, Class notes & Summaries

Immunology MCQ Test Questions & Answers (2024) with Complete Detailed Solutions

The most sensitive method for the detection of antibodies to ds-DNA is a. Immunofluorescence b. Radioimmunoassay c. Immunoprecipitation d. Immunoelectrophoresis correct answer: a. Immunofluorescence 1.Which of the following tests is used to diagnose contact dermatitis? a. Prick tests b. Serological tests c. Patch tests correct answer: c. Patch tests 2.Most patients with Myasthenia gravis have autoantibodies against: a. Acetylcholine receptors b. MuSK receptors c. Both Ach and ...

Dentritic cells? Secrete prions Recognise, process and present antigenic information Are the only cells which secrete cytokines correct answer: Recognise, process and present antigenic information Adaptive immune system includes? Skin cells Mast cells T cells correct answer: T cells Immature dendritic cells? Express high numbers of MHC molecules Do not travel to lymph nodes Do not express TLRs correct answer: Do not travel to lymph nodes Toll like...

1) Which of the following is characteristic of antibodies? A) carbohydrate structure B) composed of heavy and light polypeptide chains C) three binding sites per antibody monomer D) incapable of being transferred from one person to another - correct answer B) composed of heavy and light polypeptide chains 2) Which of the following is associated with passive immunity? A) long-term immune protection B) infusion of weakened viruses C) passage of IgG anti...

CLIP correct answer: Remnant of Ii (invariant chain) MIIC Compartments correct answer: Peptide loading compartments for MHC class II Viruses that target MHC antigen processing pathways correct answer: Long-life viruses eg herpes, cytomegalovirus (pulls MHC from ER membrane into cytosol to degrade it) and HIV (enters CD4 cells and destroys them -> body must target own CD4 cells to eliminate it -> HIV can become quiescent and integrate DNA into host DNA to form a provirus) Caspas...

Grafts exchanged between identical twins or animals that are identical to one another are known as... A) Alloreactive B) Allogeneic C) Syngeneic D)Xenogeneic correct answer: C) Syngeneic Grafts from one person to another are known as... A) Alloreactive B) Allogeneic C) Syngeneic D)Xenogeneic correct answer: B) Allogeneic Grafts from one species to another are known as... A) Alloreactive B) Allogeneic C) Syngeneic D)Xenogeneic correct answer: D)Xenogeneic What serv...

1) Which of the following is characteristic of antibodies? A) carbohydrate structure B) composed of heavy and light polypeptide chains C) three binding sites per antibody monomer D) incapable of being transferred from one person to another correct answer: B) composed of heavy and light polypeptide chains 2) Which of the following is associated with passive immunity? A) long-term immune protection B) infusion of weakened viruses C) passage of IgG antibodies from a pregnant mothe...

Immune recognition of molecules belonging to self is important to A. activate natural killer cells of the innate immune system . B. determine the safety of interacting with the molecule. C. induce somatic generation of a B- or T-lymphocyte receptor for the molecule. D. stimulate binding by pattern recognition receptors. E. trigger an attack on the cell expressing the self molecule correct answer: *The answer is B.* Identification of self tells the immune system that the cell or molecule re...

Natural Killer (NK) cells: a. are lymphocytes derived from the lymphoid line belonging to the innate immunity b. are lymphocytes derived from the myeloid line belonging to the innate immunity c. are lymphocytes derived from the lymphoid line belonging to the adaptive immunity d. are very active phagocytes that can efficiently engulf pathogens correct answer: A Monocytes are: a. phagocytes present in tissue b. cells that can give rise to all granulocytes c. terminally differentiate...