Difference between revisions of "Dermatology Quiz"
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choice2="Flea bite hypersensitivity" | choice2="Flea bite hypersensitivity" | ||
correctchoice="3" | correctchoice="3" | ||
− | feedback3="'''Correct!''' In a cytotoxic reaction, IgG and IgM interact with antigens bound to cellular membranes, this often involves complement fixation leading to cellular damage. Pemphigus is a rare group of immune mediated, sterile pustular diseases, autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[ | + | feedback3="'''Correct!''' In a cytotoxic reaction, IgG and IgM interact with antigens bound to cellular membranes, this often involves complement fixation leading to cellular damage. Pemphigus is a rare group of immune mediated, sterile pustular diseases, autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[:Category:Integumentary System - Immunologic Pathology|WikiVet Article: Immunological skin conditions.]]" |
− | feedback4="'''Incorrect.''' Atopy is a type I reaction, mediated by pharmacologically active substances from mast cells and basophils due to antigen-antibody (usually [[IgE]]) binding to receptors on those cells. Substances include histamine, serotonin, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[ | + | feedback4="'''Incorrect.''' Atopy is a type I reaction, mediated by pharmacologically active substances from mast cells and basophils due to antigen-antibody (usually [[IgE]]) binding to receptors on those cells. Substances include histamine, serotonin, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[:Category:Integumentary System - Immunologic Pathology|WikiVet Article: Immunological skin conditions.]]" |
− | feedback5="'''Incorrect.''' Urticaria is a type I reaction, mediated by pharmacologically active substances from mast cells and basophils due to antigen-antibody (usually [[IgE]]) binding to receptors on those cells. Substances include histamine, serotonin, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. n, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[ | + | feedback5="'''Incorrect.''' Urticaria is a type I reaction, mediated by pharmacologically active substances from mast cells and basophils due to antigen-antibody (usually [[IgE]]) binding to receptors on those cells. Substances include histamine, serotonin, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. n, leukotrienes and prostaglandins. Skin becomes pruritic and erythematous. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[:Category:Integumentary System - Immunologic Pathology|WikiVet Article: Immunological skin conditions.]]" |
− | feedback1="'''Incorrect.''' Systemic lupus is a type III reaction, complement fixing of immune complexes IgG or IgM. Complexes deposit in tissue, fix complement, cytokines and other factors attack neutrophils which release lysosomal enzymes, and activate complement and coagulation. Platelet aggregation leads to tissue damage.The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[ | + | feedback1="'''Incorrect.''' Systemic lupus is a type III reaction, complement fixing of immune complexes IgG or IgM. Complexes deposit in tissue, fix complement, cytokines and other factors attack neutrophils which release lysosomal enzymes, and activate complement and coagulation. Platelet aggregation leads to tissue damage.The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[:Category:Integumentary System - Immunologic Pathology|WikiVet Article: Immunological skin conditions]]" |
− | feedback2="'''Incorrect.''' Flea bite hypersensitivity involves type I and type IV hypersensitivity reactions and cutaneous basophil hypersensitivity. It mainly affects the dorsolumbosacral area, abdomen, caudomedial thighs, flanks and the neck of cats. Secondary trauma is self-inflicted. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[ | + | feedback2="'''Incorrect.''' Flea bite hypersensitivity involves type I and type IV hypersensitivity reactions and cutaneous basophil hypersensitivity. It mainly affects the dorsolumbosacral area, abdomen, caudomedial thighs, flanks and the neck of cats. Secondary trauma is self-inflicted. The correct answer is Pemphigus, a rare group of immune mediated, sterile pustular diseases, in which autoantibodies bind to desmosomal proteins leading to formation of vesicles. There are several types. [[:Category:Integumentary System - Immunologic Pathology|WikiVet Article: Immunological skin conditions]]" |
image= ""> | image= ""> | ||
</WikiQuiz> | </WikiQuiz> |
Latest revision as of 17:10, 22 February 2011
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Questions reviewed by: | Anette Loeffler DrMedVet, DVD, DipECVD, MRCVS Lecturer in Veterinary Dermatology |
1 |
In flea allergic dermatitis (FAD) to what do animals become allergic to? |
2 |
Which species of mite inhabits the hair follicle? |
3 |
What is a common dermatological abnormality seen in hypothyroidism? |
4 |
Which fungus is a commensal of the external ear canal in many domestic species? |
5 |
What skin lesion may be caused by copper deficiency in cattle? |
6 |
What word describes a solid elevation of the skin ‹1cm in diameter? |
7 |
What is the typical distribution of skin lesions in contact dermatitis? |
8 |
Which of the following conditions affecting the skin is a Type II immunological reaction? |