Medical MCQs

5099 MCQs  (Page 197 of 510)

All are true about legionella pneumophilia except______________?
A. Aquatic bodies are main habitat
B. It can replicate in amoeba
C. Urine test is a reliable method
D. Person to person transmission
Steam under pressure in used in ________ sterilization?
A. Pasteurization
B. Autoclave
C. Kochs sterilizer
D. Hot air oven
Example of immune complex hyper-sensitivity reaction is______________?
A. Atopic allergy
B. Serum sickness
C. Transfusion reaction
D. Contact dermatitis
The best sterilization method for a hand-piece is________________?
A. Ethylene oxide gas
B. Dry heat
C. Chemical vapour
D. All of the above
About Bacteroids True are all Except_______________?
A. Susceptible to many antibiotics
B. Present mainly in mixed infections
C. Most common species is b fragilis
D. Bile resistant anerobes
Which is not true about vibrio cholera_________________?
A. It is non-halophilic
B. Grows on simple media
C. MAN is the only natural host
D. Cannot survive in extracellular environment
Which one of the following enteric organisms is anaerogenic and non motile ?
A. Shigella sonnei
B. Salmonella typhi
C. Proteus mirabilis
D. Klebsiella pneumonia