review the case scenario uploaded in the photo. in your own words: a) write a hypothesis for identifying this unknown bacteria, the suspected bacteria are e coli, pseudomonas aeruginosa, and staphylocoous aureus. b) the best option to identify is gram staining, explain in your own words the steps taken to gram stain
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review the case scenario uploaded in the photo.
in your own words:
a) write a hypothesis for identifying this unknown bacteria, the suspected bacteria are e coli, pseudomonas aeruginosa, and staphylocoous aureus.
b) the best option to identify is
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- M.L. is a 26-year-old homosexual man admitted to the hospital for progressive respiratory distress, fever, weakness, and chronic diarrhea. He tested HIV positive about 3 years ago, but his infection has remained asymptomatic until 2 months prior to admission. Pneumocystis jiroveci (carinii) pneumonia was suspected and confirmed by culture. Laboratory analysis demonstrates a low CD4+ count of 185 cells/ml. HAART treatment with the antiretrovirals azidothymidine (AZT), efavirenz (Sustiva), and ritonavir (Norvir) was started 2 months ago. QUESTIONS: P. jiroveci pneumonia is an opportunistic infection to which immunocompetent people are immune. What other opportunistic infections are commonly seen in AIDS patients? Are there any data to suggest that M.L. may have one of these? A medical student asks you to draw a picture of the HIV virion and a CD4+ cell, and to explain the mechanism of intracellular infection and the role of reverse transcriptase. What would you show on the drawing…Lin, a 5-year-11-month-boy. He-had a fever 20 days ago with no obvious trigger and reached the highest oral- temperature of- 40°C, no obvious cough, runny nose, vomiting, headache, dizziness, melena, urinary frequency, urgency, and dysuria but had nose bleeding. He visited a local hospital and-underwent a blood routine test: WBC=8.7X10°L, N=21%, RBC= 3.36X10%/L, BPC=75X 10°/L, Hb=109g/L; peripheral -blood smear shows: atypical cells 29%. The local hospital suspected "infectious mononucleosis", thus intravenous ganciclovir was given and his blood was extracted to check for anti-EBV antibody simultaneously. After 6-days of intravenous ganciclovir, his body temperature still fluctuated at around: 38°C. Anti-EBVVCA-IgM(-), anti-VCA-IgG(+) 1. Do you think the doctor's diagnosis is correct? And what do you think the next step would the doctor take? 2. How long does a normal fever and infectious fever last?Case 1 A 20-year-old man presents for evaluation of a rash that he thinks is an allergic reaction. For the past 4 or 5 days, he has had the "flu," with fever, chills headache, and body aches. He has been taking an over-the-counter flu medication without any symptomatic relief. Yesterday he developed a diffuse rash made up of red, slightly raised bumps. It covers his whole body, and he says that it must be an allergic reaction to the flu medication. He has no history of allergies and takes no other medications, and his only medical problem in the past was being treated for gonorrhoea approximately 2 years ago. On further questioning, he denies dysuria or penile discharge. He denies any genital lesions now but says that he had a "sore" on his penis a few months ago that never really hurt and went away on its own after a few weeks so he didn't think much about it. On exam, his vital signs are all normal. He has palpable cervical, axillary, and inguinal adenopathy. His skin has an…
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