Question

50. Pseudomonas aeruginosa is commonly associated with nosocomial infections of burns patients. The survival of this microorganism in hospital environments is aided by its ability to:                                                                    
A. survive exposure to UV radiation
B. survive in harsh dry environments for prolonged periods of time.
C. adaptively resist a range of antibiotics when
growing in a biofilm.
D. survive in some disinfectant solutions.
E. both (C) and (D) are correct.

51. Opsonins are:                                                                                                                                                                                                                                                          

A. Antibodies that make the blood to clot                                                                                                                      

B. Antibodies that neutralize toxins                                                                                                                        

C. Antibodies that makes pathogens liable for phagocytosis                                                                                                              

D. All of the above

52. Endemic disease means that a disease:                                                                                                                    

A. Exhibits seasonal trend                                                                                                                                                

B. Is constantly present in a given population group                                                                                                                

C. Occurs clearly in excess of normal expectancy                                                                                                      

D. Is prevalent among animals

Answer 1

Answer:(E) both c and D are correct.

Explanation:

Answer: Antibodies that make pathogens liable for phagocytosis.

Explanation:

Answer:(B) is constantly present in a given population group.

Explanation: