General microbiology

A. Botulism B. Cholera
C. Nontyphoidal Salmonella infection D. Typhoid fever E. Shigella infection
Bordetella
1. For serological diagnostics of the whooping cough it was made large-scale reaction with parapertussis and pertussis diagnosticums. At the bottom of the test-tubes with diagnosticum of Bordetella parapertussis grain-like sediment formed. What antibodies have this reaction revealed?
A. Bacteriolysins B. Agglutinins C. Antitoxins
D. Opsonins E. Precipitins
2. A large-scale reaction with parapertussis and pertussis diagnosticums was made in order to make serological diagnostics of the whooping cough. At the bottom of the test-tubes with diagnosticum of Bordetella parapertussis a granular sediment formed. What antibodies did this reaction reveal?
A. Agglutinins B. Precipitins C. Opsonins
D. Bacteriolysins E. Antitoxins
3. A patient has been suffering from elevated temperature and attacks of typical cough for 10 days. Doctor administered inoculation of mucus from the patient’s nasopharynx on the agar. What microorganism is presumed?
A. Pertussis bacillus B. Pfeiffer’s bacillus
C. Listeria D. Klebsiella E. Staphylococcus
4. A patient has severe catarrhal symptoms. Material growth on Bordet-Gengou agar showed mercury-drop like colonies. Examination of the blood smears revealed some small ovoid gram-negative bacilli sized 1-3 microns. What microorganisms were isolated?
A. Bordetella B. Corynebacteria C. Mycobacteria
D. Meningococcus E. Brucella
5. During bacteriological examination of sputum of a child with choking cough and fever there were revealed glossy smooth colonies growing on casein-charcoal agar and reminding of mercury drops. Microscopic examination revealed short Gram-negative bacteria. What microorganism was secured from the sputum?
A. Bordetella pertussis B. Haemophylus influenzae
C. Corynebacterium dyphtheriae
D. Klebsiella pneumoniae E. Streptococcus pyogenes
6. A family has two children. The younger child is under the year. The child has developed spastic cough attacks. Similar clinical presentation was observed in the elder preschool child one month ago. The doctor suspects pertussis infection. What method enables retrospective diagnostics of this disease?