Immunology Bundled Exams 2023/2024 with 100% correct answers

Role of the immune system 1. Defense against infections. 2. The immune system recognizes and responds to tissue grafts and newly introduced proteins. 3. Defense against tumors. What is immunity? -Protection from an undesirable obligation -Resistance to infection What is an immune ...

Which of the following can be attributed to Pasteur? a. Discovery of opsonins b. Observation of phagocytosis c. First attenuated vaccines d. Theory of humoral immunity correct answersc Which WBC is capable of further differentiation in tissues? a. Neutrophil b. Eosinophil c. Basophil d. Mon...

Multiple choice: In patients with lymphomas, the cancer cells invade the bone marrow and destroy the environment required for normal hematopoiesis. This leads to bone marrow failure, which disrupts the production of hematopoietic cell lineages. All of the following cell types would be affected by th...

What is the most important function of the immune system? correct answersConfers protection against pathogens What two key components is the immune system comprised of? correct answersSpecialized cells (phagocytes, lymphocytes), and soluble mediators (complement, cytokines, chemokines). Where ...

Autoimmune disease is primarily who's issue? correct answersWomens issue, rates of 2:1 to 50:1 in favor of women Cells, tissues, and molecules that mediate resistance to infections. correct answersImmune system Study of structure and function of the immune sytsem correct answersImmunology ...

T cells recognize antigen when the antigen correct answersforms a complex with membrane-bound MHC molecules on another host-derived cell T-cell receptors structurally resemble correct answersa single Fab of immunoglobulins If viewing the three-dimensional structure of a T-cell receptor from th...

8-1 Which of the following contributes to the activation of naive T cells? a. neutrophils b. B cells c. macrophages d. dendritic cells e. basophils correct answersd 8-6 Macrophages exhibit all of the following characteristics except _____. a. they trap and degrade pathogens in secondary lym...

What is the term used to describe white blood cells migrating toward bacteria? correct answersChemotaxis What's the most active and various white blood cell in the human body? correct answersNeutrophil Which of the following immunoglobulin classes is responsible for eliciting reactions (Type ...

Dendritic cells can be formed (derived) from all of the following EXCEPT: a) Monocytes b) Myeloid lineage c) T cells d) Lymphoid lineage correct answersc) T cells The innate immune system in only involved in fighting off an infection upon the first exposure, but has no role in fighting th...

Functions of the immune response include: a. sensing and recognition of foreign and self products b. targeted killing and removal of mcirobes c. selective neutralization and avoidance of pathogenic microbes d. tolerance to self e. all of the above correct answerse Shortly following the initi...

Ring vaccination correct answersThe vaccination of all susceptible individuals in a prescribed area around an outbreak of an infectious disease. Ring vaccination controls an outbreak by vaccinating and monitoring a ring of people around each infected individual. The idea is to form a buffer of immun...

Immunology Study of cellular and molecular immune mechanisms, known as effector mechanisms that 1. Distinguish between self and non self 2. Eliminate self Immune system Cellular and molecular components responsible for immunity Immunity Defense against infectious and non-infecti...

What is the significance of the fact that blood vessels are leaky? correct answers-swelling occurs because fluid is forced into the tissues -blood vessels widen causing redness -inflammatory cells come and release granules with toxic enzymes causing heat, reddening, swelling, pain What are the ...

opportunistic pathogens correct answersa microorganism that causes a disease only in individuals whose immune systems are in some way compromised. Clonal selection correct answersthe functions of cells (lymphocytes) of the immune system in response to specific antigens invading the body. Immun...