Immunology Assessment: Plasma Cells, Immunoglobulins, BCR, TCR, Fab Regions, CR2/CD21, Complement Pathway (C3/C5 Convertase, C4a), Toll-Like Receptors, PRRs, JAK-STAT Signaling, ITAMs, Cytokine Families (Interleukin, Interferon, Chemokine, Hematopoietin),

Immunology Assessment: Plasma Cells, Immunoglobulins, BCR, TCR, Fab Regions, CR2/CD21, Complement Pathway (C3/C5 Convertase, C4a), Toll-Like Receptors, PRRs, JAK-STAT Signaling, ITAMs, Cytokine Families (Interleukin, Interferon, Chemokine, Hematopoietin), Target Cells, Lymphocyte Subsets (T Cells, B Cells), Primary and Secondary Lymphoid Organs (Bone Marrow, Thymus, Lymph Node, Spleen, GALT), Paracortex, Follicles, Lymphatic Vessels (Right Lymphatic Duct), Hematopoietic Stem Cells, Adaptive and Innate Immunity, Memory Cells, Pathogen Recognition, Signal Transduction Exam Questions Verified and Provided with Complete A+ Graded Rationales Latest Updated 2026 Which of the following cell types is responsible for the secretion of immunoglobulins? (Antibodies) Plasma cells Which of the following is NOT considered a primary lymphoid organ? Lymph Node Which of the following BEST describes chemokines? soluble proteins that recruit specific cells to an area chemicals dissolve things that are soluble Antibodies are composed of Two identical heavy chains and two identical light chains CD4+ T cells recognize antigen presented on: Class II MHC on APCs In the bone marrow, less mature cells would be found in the _______ niche. Endosteal Which of the following statements regarding TLRs is FALSE? TLRs bind cytokines produced by activated immune cells Which of the following class of cell surface receptors can bind soluble antigen in blood and lymph? BCR The complement receptor that acts as a co-receptor for the BCR on B cells is: CR2 (CD21) You have consumed a salad contaminated with salmonella enterica, which typically causes a self-limiting, GI disease in humans. Based on this information, which immune organ is MOST likely to first recognize and mount a response against the pathogen. GALT When discussing cytokine X, what is meant by the term "target cell"? The cell that has receptors for cytokine X Which f the following cell types are lymphocytes? T cells In the lymph node, T cells are primarily found in the _____, while B cells are primarily found in the ____ Paracortex; follicle The lymphatic vessel that drains into the right subclavian vein is called the: Right lymphatic duct Signal transduction through the BCR depends on a complex called: IgA and IgB