Medical MCQs

5099 MCQs  (Page 196 of 510)

Bacterial spores are destroyed by_______________?
A. Boiling at 100°c
B. Disinfection by hypochlorite solution
C. Autoclave
D. Pasteurisation
Which of the following is not a feature of anaphylaxis ?
A. Delayed reaction
B. Immediate reaction
C. Passive transfer by serum
D. None of the above
compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________?
A. Time-consuming
B. Less effective
C. Causes instruments to rust
D. Causes sharp instruments to dull
Sterilisation is______________?
A. Pathogens killed but spores are not affected
B. Only pathogenic micro-organisms killed
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed
Rideal Walker test is used to determine the efficiency of the_____________?
A. Disinfectant
B. Mosit heat sterilisation
C. Antibiotics
D. Dry heat sterilization
Pseudomonas aeruginosa_________________?
A. Produces heat stable enterotoxin
B. Causes shangai fever
C. Cannot be destroyed at 55 degree at 1 hr.
D. Does not produce any pigment
Which of the following is true about tetanus acquired through traumatic wound ?
A. Clostridium tetani travels via the nerves to the anterior horn dells in spinal cord
B. The tetanospasmin component of the exotoxin act on the post-synaptic neurones and prevents impulse transmission
C. The patient should be given tetanus toxoid intravenously
D. Causes positive nagler reaction
Actinomycosis is a_________________?
A. Aerobic bacterial disease
B. Anaerobic bacterial disease
C. Aerobic fungal disease
D. Anaerobic fungal disease
Each of the following viruses possesses an outer lipoprotein envelope except_____________?
A. Varicella zoster virus
B. Papilloma virus
C. Influenza virus
D. Human immunodeficiency virus