Mcq Subject: Microbiology
A known HIV patient on anti – retroviral therapy presented with diarrhea of six months duration. Stoll microscopy was done in which 10-30 micrometer cysts were seen, Kinyoun stain was positive. What is the most likely diagnosis?
A. Cystoisospora
B. Cryptosporidium
C. Balantidium coli
D. Strongyloides
View DescriptionGiemsa stained smear cannot detect
A. Coxiella burnetti
B. Baonella
C. Toxoplasmosis
D. E. Chaffnessis
View DescriptionIn a suspected patient of dengue, all of these are acceptable investigations at day 3 of presentation except:
A. Viral culture and isolation in C6/36 cell line
B. ELISA for antibody against dengue virus
C. NS I antigen detection
D. #NAME?
View DescriptionA 15 years old boy presents with loose motions and intermittent abdominal pain over the past 1 year. Wet mount stool specimen showed the presence of multiple ova, which are more than 100 p in diameter. The causative organism for the disease shall not include:
A. Fasciola gigantica
B. Gastrodiscoides hominis
C. Echinostoma ilocanum
D. Opistorchis viverrini
View DescriptionWhich of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci
A. Lysozyme
B. Fibrinolysin
C. Coagulase
D. S protein
View DescriptionCLED media better than Macconkey media
A. It stimulates growth of Staph and Candida as it is non selective
B. Inhibits swarming of proteus
C. Differentiates between Lactose fermenter and non-lactose fermenters
D. Sodium taurocholate is used as selective agent.
View DescriptionA 2 weeks old infant has conjunctivitis, which later developed into respiratory distress and pneumonia. Chest X-ray showed bilateral lung infiltrates. WBC count was 14,300/dL. Which of the following is the most likely organism?
A. Chlamydia trachomatis
B. Streptococcus agalactiae
C. Gonococcus
D. Haemophilus influenzae
View Description(gd) T cell is associated with?
A. CD4
B. CD5
C. Cd8
D. First line defense against bacterial peptides
View DescriptionWhich of the following marker persists in chronic hepatitis and recurrent hepatitis?
A. IgG Anti HbcAg
B. HBsAg
C. IgG Anti HBsAG
D. Anti Hbs
View DescriptionEpisodes of repeated thin stools with mucus, subjective feeling of fever and lower abdominal pain, with leukocytes in stool. Which of the following is likely?
A. Giardia
B. Entamoeba
C. Staph
D. Clostridium perfringens
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