(Single Best Answer) Question 21: Conjugate vaccines are available for the prevention of invasive disease caused by all of the following bacteria, except ?
A) Haemophilus influenzae B) Streptococcus pneumoniae C) Neisseria meningitidis (Group C) D) Neisseria meningitidis (Group B) Answer (Select an option above to get the answer):
(Single Best Answer) Question 22: Which of the following is the most predominant constituent of sulfur granules of actinomycosis ?
A) Organisms B) Neutrophils and monocytes C) Monocytes and lymphocytes D) Eosinophils Answer (Select an option above to get the answer):
A) Optimum temperature for toxin formation is 37 degree C B) Intradietetic toxins are responsible for intestinal symptoms C) Toxins can be destroyed by boiling for 30 minutes D) Incubation period is 1 - 6 hours Answer (Select an option above to get the answer):
A) Bite of infected louse B) Bite of infected tick C) Inhalation of aerosol D) Bite of infected mite Answer (Select an option above to get the answer):
A) Domestic rat is the main reservoir B) Bubonic is the most common variety C) The causative bacillus can survive up to 10 years in the soil of rodent burrows D) The incubation period for pneumonic plague is one to two weeks Answer (Select an option above to get the answer):
A) They are inhibited by penicillins B) They can reproduce in cell free media C) They have an affinity for mammalian cell membranes D) They can pass through filters of 450 nm pore size Answer (Select an option above to get the answer):