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Which immunoglobulin crosses the placenta?
IgE
IgA
IgG
IgM
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- The class of immunoglobulins which can cross the placenta is -Figure 17.17 The Rh antigen is found on Rh-positive red blood cells. An Rh-negative female can usually carry an Rh-positive fetus to term without difficulty. However, if she has a second Rh-positive fetus, her body may launch an immune attack that causes hemolytic disease of the newborn. Why do you think hemolytic disease is only a problem during the second or subsequent pregnancies?Why is maternal milkimportant for the immuneprotection of the baby?
- From a biological perspective, AIDS is passed more readily from women to men than from men to women. True or false?Give the function/s of the different immunoglobulins. Immunoglobulin Function/s Ig A Ig D Ig E Ig G Ig MWhat information provided by Jamie would lead the physician to suspect a systemic disease? Include any environmental or lifestyle clues. 2. Def ne autoimmune disease and autoantibody. 3. What environmental triggers are associated with autoimmune diseases? 4. What are some of the autoimmune diseases? 5. What are the typical signs and symptoms of autoimmune diseases using lupus as an example? 6. Using WebMD (www.webmd.com) or MedlinePlus (www.nlm.nih.gov/medlineplus), fnd the criteria for the diagnosis of systemic lupus erythematous, rheumatoid arthritis, Lyme disease, and chronic Epstein Barr syndrome. 7. Why does the doctor suspect that Jamie may be anemic?
- Mr. Y’s HIV is being managed on a combination drug regimen that includes two nucleoside reverse transcriptase inhibitors (NRTIs) and one protease inhibitor (PI). His viral load is currently 50,000 copies/ mL; 3 months ago, his viral load was undetectable. His CD4+ T-lymphocyte count is 526 cells/mm3, down from 680 cells/mm3 3 months ago. Although he has been following his HAART regimen, he has experienced multiple complications, including several opportunistic infections. In light of his medical history, Mr. Y is especially concerned about his shortness of breath and hemoptysis. 1.What is the mechanism of action of the NRTI drugs that Mr. Y is taking for his HIV? 2. What is the rationale for the use of combined drug therapy in the treatment of HIV?How is Rh incompatibility involved in hemolytic disease of the newborn? Is the mother Rh+ or Rh-? Is the fetus Rh+ or Rh-? Why is a second child that is Rh+ more susceptible to attack from the mother’s immune system.An 18-month old has been hospitalized several times because of severe recurrent infections with Candida chronic hypocalcemia, and failure to thrive . Flow cytomegalovirus shows a decreased number of peripheral blood lymphocytes reacting with fluoresceinated anti human IgGand decreased number of CD3+ T lymphocytes. Which of the following is the most likely diagnosis. (A) AIDS. (B). Bruton X-linked agammaglobulinemia. (C) Chronic granulomatous disease. (D) Common Variable Hypogammaglobunemia.…
