A 4-year-old child has numerous small, white scales covering the extensor surfaces of the extremities,trunk, and face (shown in the image). The child's mother and grandmother have the same condition.Microscopic examination of the skin lesion shows hyperkeratosis and a thin stratum granulosum. Whichof the following is the most likely pathogenesis of this disorder?Answers A-EA Antigen- induced release of mediatorsB Defective desquamation of keratinocytesC Dissolution of intercellular attachmentsD Excessive keratinocyte proliferationE UV light induced DNA damageOOOQuestion #43 attachmentCLOSE TOOLKIT

Ichthyosis vulgaris: Ichthyosis vulgaris is a genetic skin disorder that is characterized by dry,…

Answered: A 4-year-old child has numerous small,…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Name two cytokines that are thought to be involved in the inflammatory response to viruses (cite your source). Describe a component of the innate immune response to viral infection (name it and explain how it works. Be sure you are talking about something that protects you from viruses.)
A child is exposed to poison sumac (a woody shrub) for the first time, but it does not develop any reaction after this first exposure. In subsequent months, he is exposed again to the same plant. Two days after re-exposure, he develops a painful rash. The doctor tells the child's parents that he has allergic contact dermatitis, which is a humoral-related immune response. The doctor assessment is incorrect because A. Poison ivy does not cause contact dermatitis B. This reaction is not a delayed cell-related immunity C. This is an autoimmunity disease D. This is not a humoral response. T cells are responsible for this type of hypersensitivity. E. None of the above, the doctor is correct in his assessment
Answer the following questions. 1) Choose the best answer. The skin is a(n) for protection in innate immunity. barrier defensin mucous membrane acidic layer 2) Choose the best answer. The line digestive and respiratory tracts to stop pathogens from ent body. mucin mucous membranes
3) Your skin is the last line of defence against invading microorganisms. True False 4)Lymph, the fluid of the lymphatic system, contains red blood cells to fight infection. True False 5)Many cleaning products contain antibacterial agents. True False
Write T if the statement is correct; write F if the statement is not correct. Antigen fragments that bind to MHC class I molecules are typically in endosomes. " " TAP1 and TAP2 are present on the plasma membrane of APCs. " " Proteasomes process antigens within the endoplasmic reticulum. " " Newly synthesized MHC class I molecules can be found within endosomes. " " Newly synthesized MHC class I α chains assemble in the ER with calnexin. " "
ustine, a 39-year-old female, has recently been diagnosed with lymphoma. She has a family history of several cancers but not lymphoma. Her personal medical history includes mononucleosis, asthma, and two full-term pregnancies and vaginal births. Before her diagnosis, she had been feeling “generally sick” and felt several lumps on her neck and armpits. She had a fever that wouldn’t go away and had been waking up sweaty in the middle of the night. Microscopy showed the presence of Reed-Sternberg cells. Based on the information given, which of the type of lymphoma does Justine have? Non-Hodgkin lymphoma Hodgkin lymphoma Lymphocytic lymphoma Burkitt’s lymphoma
ustine, a 39-year-old female, has recently been diagnosed with lymphoma. She has a family history of several cancers but not lymphoma. Her personal medical history includes mononucleosis, asthma, and two full-term pregnancies and vaginal births. Before her diagnosis, she had been feeling “generally sick” and felt several lumps on her neck and armpits. She had a fever that wouldn’t go away and had been waking up sweaty in the middle of the night. Microscopy showed the presence of Reed-Sternberg cells. Which part of Justine’s case study is considered a risk factor for her diagnosis? Her age Her gender/sex Past Epstein-Barr infection History of asthma
Walter teaches primary school and his class has suffered an outbreak of chicken pox(varicella). Walter notices that a number of the children who have previously suffered from chickenpox do not catch the infection during this outbreak. Explain this observation.
What three specific cells chickenpox may encounter which are a part of the second line of defense? For these three cells discuss their function, how they can detect chickenpox, and what they do to remove the chickenpox. (Discuss any receptors the immune cells have, chemical mediators, enzymes, etc. which are used to detect and remove the antigen.)
A 45 years old lady comes to your clinic presenting with symptoms such as, swollen, tender and stiffness of joints. She feels lethargic and often has fever. May be she is suffering from some autoimmune disease. Keeping in mind this scenario answer the following questions: Diagnose the above scenario and name the disease What type of antibodies made and against which type of host component
Pair the words in column A with the correct word in column B through one stretch (one stretch per word). Give a brief explanation of why you think that the words belong together. A B Antibody Virulence factor Antigen presentation NK cell IgG capsule Cytotoxic lymphocyte Dendritic cell

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