WorksheetsImmunopathology
Total questions: 30
Worksheet time: 15hrs 0mins
Which learning goal best describes distinguishing major immune disorder categories?
Differentiate hypersensitivity, autoimmunity, immunodeficiency
Memorize all leukocyte morphologies
Calculate vaccine cold-chain logistics
Predict outcomes of surgical procedures
Which set lists the classic four types of hypersensitivity?
Type I, II, III, IV
Alpha, Beta, Gamma, Delta
IgA, IgG, IgM, IgE
Primary, Secondary, Tertiary, Quaternary
Which concept relates hypersensitivity types to clinical mechanisms?
Genetic transcription and translation
Endocrine feedback loops and hormones
Neural reflex arcs and synapses
Allergic processes and immune reactions
Which example is typical of Type I hypersensitivity?
Antibody binding cellular antigens
Cytotoxic T cell killing graft cells
Immediate IgE-mediated allergic response
Immune complex deposition in vessels
Which mechanism defines Type III hypersensitivity?
Immune complex-mediated tissue injury
Superantigen activation of all T cells
Direct mast cell degranulation without IgE
NK cell missing-self cytotoxicity
Which comparison best differentiates hypersensitivity from immunodeficiency?
Humoral immunity versus cellular
Innate responses versus adaptive
Genetic mutations versus infections
Excess immune activity versus deficient
Which cell type plays a central role in Type I hypersensitivity?
Macrophages presenting antigen
Mast cells binding IgE
Neutrophils forming NETs
CD8 cytotoxic T cells
Which disease is classically linked to Type III hypersensitivity?
Contact dermatitis from nickel
Systemic immune complex vasculitis
Immediate anaphylactic reactions
Autoimmune thyroid destruction
Which outcome reflects breakdown of self-tolerance?
Autoantibody-mediated tissue injury
Enhanced pathogen neutralization
Improved vaccine responsiveness
Reduced inflammatory cytokines
Which intervention commonly treats Type I allergic disease?
High-dose iron supplementation
Broad-spectrum antibiotics daily
Antihistamines reducing mast effects
Beta-blockers suppressing heart rate
Which strategy addresses autoimmunity therapeutically?
Immunosuppression to limit self-reactivity
Desensitization to environmental allergens
Live vaccines to boost innate immunity
Granulocyte colony-stimulating routine
Which planning step helps distinguish immune disorder categories in patients?
Assume all inflammation is infectious
Treat empirically without testing
Ignore family history and exposures
Evaluate mechanism: antibody, complex, T cell
In the classification of hypersensitivity, which pairing correctly matches the mechanism to the type?
Antibody-mediated corresponds to Type IV only
Cell-mediated corresponds to Types I–III
Antibody-mediated corresponds to Types I–III
Cell-mediated corresponds to Types II–IV
Which immunoglobulin primarily mediates immediate (anaphylactic) hypersensitivity reactions?
IgG antibodies circulating in plasma
IgE antibodies bound to mast cells
IgA antibodies on mucosal surfaces
IgM antibodies forming pentamers
A patient develops hemolytic anemia due to autoantibodies targeting red blood cell antigens. Which antibody class is most likely involved?
IgD acting as naive B-cell receptor
IgA forming secretory dimers in saliva
IgG or IgM binding to erythrocyte surfaces
IgE binding to basophils and mast cells
Which event best defines the mechanism of Type III hypersensitivity?
IgE cross-linking on mast cells causing immediate degranulation
Immune complexes deposit in tissues and activate complement
Sensitized Th2 cells promote eosinophil-mediated helminth killing
Cytotoxic antibodies bind cell surfaces and trigger ADCC
Which statement best describes the breakdown of self-tolerance in autoimmunity shown in the illustration?
Immune cells only attack microbes during infection
Immune cells misidentify self tissues as foreign
Immune cells ignore foreign pathogens entirely
Immune cells exclusively target non-self dietary antigens
In type 1 diabetes, which effector drives β‑cell destruction?
IgE antibodies binding islet mast cells
CD8+ T lymphocytes attacking pancreatic cells
NK cells recognizing missing self on bacteria
Th2 cells promoting eosinophil activation
The Venn diagram of factors influencing autoimmunity most directly supports which inference about disease etiology?
Infections alone determine individual susceptibility
Dietary components are sufficient to cause all cases
Multiple interacting factors contribute to pathogenesis
Autoimmune disease results from a single genetic defect
Which diagrammed factor most directly exposes hidden nuclear antigens, increasing the likelihood of autoimmune responses?
Gender-associated hormonal shifts altering cytokine profiles
Smoking-related citrullination increasing autoantigen formation
UV radiation–induced cell death revealing nuclear antigens
Pathogen presence maintaining peripheral tolerance mechanisms
A patient who smokes develops rheumatoid arthritis features. Based on the diagrams, which mechanism most plausibly links smoking to autoimmunity?
Enhanced regulatory T cell suppression of effector responses
Increased protein citrullination creating neoantigens
UV-driven apoptosis releasing nuclear components
Pathogen eradication reducing antigenic stimulation
A patient with thyroid-stimulating autoantibodies causing hyperthyroidism most likely has which condition?
Systemic lupus erythematosus
Graves’ disease
Myasthenia gravis
Type 1 diabetes mellitus
For a flare of an autoimmune disorder with painful inflammation, which management is most appropriate as first-line symptom control?
High-dose immunosuppression immediately
Corticosteroids to reduce inflammation
Physical therapy as sole treatment
Surgery to remove affected tissue
A patient develops recurrent opportunistic infections after chemotherapy. What is the most accurate classification of this immunodeficiency?
Secondary due to inherited T-cell mutation
Primary intrinsic complement deficiency
Secondary iatrogenic from medical treatment
Primary due to congenital lymphocyte defect
Immunodeficiency leads to increased susceptibility to which set of threats due to failure of lymphocytes, phagocytes, or complement?
Bacteria, viruses, fungi, and cancer cells
Parasites only and allergic reactions
Autoantibodies and graft rejection only
Anemia and clotting disorders primarily
Which infectious agent is specifically listed as causing immunodeficiency by directly targeting CD4+ T cells?
Epstein–Barr virus infection
Human immunodeficiency virus infection
Cytomegalovirus infection
Measles viral infection
Which blood disorder is an example of a condition that can lead to immunodeficiency?
Polycythemia vera
Iron deficiency anemia
Hemophilia A
Aplastic anemia
Which drug class used in cancer therapy is recognized as a cause of immunodeficiency?
Beta-lactam antibiotics
Antiseizure medications
Antiretroviral drugs
Chemotherapy agents
Which immunosuppressant is listed among drugs that can cause immunodeficiency?
Metformin
Azathioprine
Warfarin
Levothyroxine
Which treatment modality aims to replace missing components of the immune system in immunodeficiency disorders?
Routine antiviral prophylaxis
High-dose corticosteroid therapy
Immune globulin administration
Broad-spectrum antibiotics therapy
