All are true about legionella pneumophilia except______________? September 27, 2025 by Admin A. Aquatic bodies are main habitat B. It can replicate in amoeba C. Urine test is a reliable method D. Person to person transmission ✅ The correct answer is option Person to person transmission.
Virulence of Gonococcus is due to___________________? September 27, 2025 by Admin A. Pili B. Cell Membrane C. Its intracellular location D. Cytolytic enzymes ✅ The correct answer is option Pili.
Delayed tuberculin test response is due to_______________? September 27, 2025 by Admin A. B lymphocytes B. T lymphocytes C. Monocytes D. Histiocytes ✅ The correct answer is option T lymphocytes.
Graft versus host reaction is caused by_________________? September 27, 2025 by Admin A. B-Lymphocytes B. T-lymphocytes C. Monocytes D. Leukocytes ✅ The correct answer is option T-lymphocytes.
Which of the following is not a koch’s postulate ? September 27, 2025 by Admin A. The bacteria should be able to be isolated from a diseased tissue B. When inoculated in experimental animals bacteria may or may not cause disease C. Pure cultures can be obtained D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals ✅ The correct answer is option When inoculated in experimental animals bacteria may or may not cause disease.
Viruses can be cultured in all except_______________? September 27, 2025 by Admin A. Chick embryo B. Blood agar C. Guinea pigs D. Cell culture ✅ The correct answer is option Blood agar.
Most antibodies are produced in the________________? September 27, 2025 by Admin A. Heart and the liver B. Brain and the meninges C. Thymus and the appendix D. Spleen and the lymph nodes ✅ The correct answer is option Spleen and the lymph nodes.
Exotoxins are____________________? September 27, 2025 by Admin A. Lipid-polysaccharide complex B. Protein compound C. Lipoprotein D. None ✅ The correct answer is option Protein compound.
patients with organ transplants are most frequently infected with______________? September 27, 2025 by Admin A. Hepatitis A B. Hepatitis B C. CMV D. EBV ✅ The correct answer is option CMV.
Antibiotic sensitivity and resistance of micro organisms is determined by________________? September 27, 2025 by Admin A. Direct microscopy B. Culture C. ELISA D. DNA probe ✅ The correct answer is option Culture.