99. What is the most frequent reason of newborn bacterial meningitis?

А. Neisseria meningitidis.

В. Staphylococcus aureus.

C. Escherichia coli.

D. Streptococcus pyogenes.

Е. Streptococcus agalactiae.

100. A 30-year-old female suffers from chronic inflammation of the ovaries. Serological investigation by Bordet-Gengou reaction appeared to be positive. What microorganism is most likely to be the causative agent of the disease?

А. Neisseria gonorrhoеae.

В. Chlamydia trachomatis.

C. Treponema pallidum.

D. Ureаplasma ureаliticum.

Е. Trichomonas vaginalis.

101. Diagnostics of chronic gonorrhea by Bordet-Gengou reaction is performed in the bacteriological laboratory. Such reagents as gonococcal antigen, complement solution, hemolytic serum and erythrocyte suspension have been prepared. What is the function of complement in this reaction?

А. It is adsorbed on the complex "antigen-antibody".

В. It blocks nonspecific antibodies in the researched serum.

C. It is a part of hemolytic system.

D. It represents itself as the indicator.

Е. It changes corpuscular antigen to soluble one.

102. Bacterioscopy of the sediment of cerebrospinal fluid of the patient suspected of meningitis revealed Gram-negative dyplococci. To confirm the diagnosis the sediment was inoculated on nutrient medium. What medium was used for the test?

А. Serum agar with rystomycin.

В. MPA with lincomycin.

C. Blood agar with penicillin.

D. Blood agar with lincomycin.

Е. MPA with rystomycine.

103. Pathologic material (pyogenic discharge from the urogenital system of the patient diagnosed with acute urethritis) was delivered to the bacteriological laboratory. To separate the causative agent the nutrient medium of serum agar with vancomycin and nystatin was prepared. What microorganism is likely to be isolated by bacteriologist?

А. Gonococcus.

В. Treponema pallidum.

C. Candida genus fungus.

D. Chlamydia.

Е. Staphylococcus aureus.

104. A young female unexpectedly developed high body temperature up to 39 °C and bad headache. On examination, a physician observed rigidity of occipital muscles and administered lumbar puncture. Gram staining of the preparation made from the cerebrospinal fluid revealed a great number of neutrophils and Gram-negative dyplococci. What species of bacteria caused the disease?

А. Neisseria meningitidis.

В. Streptococcus pneumoniaе.

C. Haemophilus inluenzae.

D. Staphylococcus aureus.

Е. Pseudomonas aeruginosa.

105. A child from the kindergarten is diagnosed with meningococcal nasal pharingitis. What type of vaccine will be administered to the other children for immediate specific prophylaxis of meningococcal infection?

А. Chemical.

В. Attenuated (live).

C. Inactivated.

D. Toxoid.

Е. Mixed vaccine.

106. Microscopy of the pus swab revealed a great number of Gram-negative cocci. What nutrient medium is used for bacteriological investigation of the pus?

А. Blood agar.

В. MPA.

C. Endo agar.

D. Bile broth.

Е. MPA with bile.

107. A culture of meningococcus was isolated from the sediment of the cerebrospinal fluid of the patient diagnosed with meningitis. What serological reaction is to be performed to determine the serum group of the causative agent?

А. AT.

В. PT.

C. PHAT.

D. CFT.

Е. Reaction of immune lysis.

108. A neonate was born without medical assistance, not in the maternity hospital. During pregnancy the mother was not checked up properly. On the second day a newborn was hospitalized with acute purulent conjunctivitis. Microscopy of the discharge from the eyes of the baby revealed Gram-negative diplococci settled inside and outside leucocytes. What microorganism is likely to be the causative agent of the disease?

А. Neisseria gonorrhoеae.

В. Chlamydia trachomatis.

C. Corynebacterium diphtheriae.

D. Staphylococcus aureus.

Е. Pseudomonas aeruginosa.

109. In the mucus of the rhinopharynx bacteriologist revealed small pair settled bean shaped microorganisms. Gram staining changed pigmentation to pink color. What microorganisms were revealed by bacteriologist?

А. Neisseria.

В. Staphylococci.

C. Streptococci.

D. Enterococci.

Е. Micrococci.

110. A sick doctor is diagnosed with gonorrhea. What method of microbiological diagnostics was used by bacteriologist to confirm the diagnosis?

А. Microscopic (microscopy of pathological material).

В Biological (infected laboratory animals).

C. Bacteriological (test with bacteriophage).

D. Serological (hemagglutination reaction).

Е . Serological (immobilization reaction).