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Contrast autografts, isografts, allografts, and xenografts.
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Ch. 18 - Immune Disorders
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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TOC.tableOfContents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
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Capitolo 18, Problema 5
Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
______Graft-versus-host disease can follow a bone marrow isograft.
Guida verificata passo dopo passo1
Understand the key terms: A bone marrow isograft is a transplant between genetically identical individuals, such as identical twins.
Recall that graft-versus-host disease (GVHD) occurs when donor immune cells attack the recipient's tissues, which typically happens when there is genetic disparity between donor and recipient.
Since isografts involve genetically identical donors and recipients, the immune cells recognize the host as 'self' and do not attack, making GVHD unlikely.
Therefore, the statement 'Graft-versus-host disease can follow a bone marrow isograft' is false.
To correct the statement, replace 'isograft' with 'allograft,' because GVHD commonly follows bone marrow allografts, where donor and recipient are genetically different.
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Graft-versus-Host Disease (GVHD)
GVHD is a condition where donor immune cells attack the recipient's tissues after a transplant. It commonly occurs after allogeneic transplants, where the donor and recipient are genetically different, leading to immune incompatibility.
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Communicable vs. Noncommunicable Diseases
Bone Marrow Isograft
An isograft is a transplant between genetically identical individuals, such as identical twins. Because the donor and recipient share the same genetic makeup, immune rejection and GVHD are highly unlikely in isografts.
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Types of Bone Marrow Transplants
Bone marrow transplants can be autografts (self), isografts (identical twin), or allografts (genetically different donor). GVHD typically occurs only in allografts due to immune differences, not in autografts or isografts.
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Compare and contrast the functions of four classes of immunosuppressive drugs.
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Farmer’s lung is a hypersensitivity pneumonitis resulting from:
a. A type I hypersensitivity reaction to grass pollen
b. A type II hypersensitivity to red cells in the lung
c. A type III hypersensitivity to mold spores
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A positive tuberculin skin test indicates that a patient not immunized against tuberculosis:
a. Is free of tuberculosis
b. Is shedding Mycobacterium
c. Has been exposed to tuberculosis antigens
d. Is susceptible to tuberculosis
e. Is resistant to tuberculosis
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Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
______ The tuberculin reaction is a type I hypersensitivity.
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Which of the following is an autoimmune disease?
a. A heart attack
b. Acute anaphylaxis
c. Farmer’s lung
d. Graft-versus-host disease
e. Systemic lupus erythematosus
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