A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ? September 27, 2025 by Admin A. Pasturella spp B. Francisella spp C. Bartonella spp D. Brucella spp ✅ The correct answer is option Brucella spp.
A young pregnant woman presents with fulminant hepatic failure. The most likely aetiological agent is_____________? September 27, 2025 by Admin A. Hepatitis B virus B. Hepatitis C virus C. Hepatitis E virus D. Hepatitis A virus ✅ The correct answer is option Hepatitis E virus.
B.C.G untrue is_____________? September 27, 2025 by Admin A. live vaccine B. T.B vaccine C. Orally administered D. All of the above ✅ The correct answer is option Orally administered.
A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________? September 27, 2025 by Admin A. India ink preparation B. Methanamine silver stain C. Ziehl-Neelsen stain D. Pyte-ferraco stain ✅ The correct answer is option India ink preparation.
Hepatitis C virus belongs to which one of the following virus groups ? September 27, 2025 by Admin A. Picorna viruses B. Herpes viruses C. Hepadana viruses D. Flavi viruses ✅ The correct answer is option Flavi viruses.
When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________? September 27, 2025 by Admin A. Atopy B. Anaphylaxis C. Arthus phenomenon D. Serum sickness ✅ The correct answer is option Arthus phenomenon.
Endotoxins differ from exotoxins in that endotoxins______________? September 27, 2025 by Admin A. are proteins B. are heat labile C. are highly antigenic D. activate complement by the alternate pathway ✅ The correct answer is option activate complement by the alternate pathway.
Phospholipid used to investigate syphilis by the reagin test is________________? September 27, 2025 by Admin A. Cardiolipin B. Plasminogen C. Palmityl lecithin D. Serine ✅ The correct answer is option Cardiolipin.
Candidal hyphae can be stained using_______________? September 27, 2025 by Admin A. Van Gieson’s stain B. Periodic acid schiff stain C. Masson Trichrome stain D. Toluidine blue stain ✅ The correct answer is option Periodic acid schiff stain.
Organ of locomotion in bacteria is________________? September 27, 2025 by Admin A. Fimbria B. Flagella C. Capsule D. Cell wall ✅ The correct answer is option Flagella.