Streptococci

*111. Cholecystic infection was caused by microorganisms of spherical oblong form situated in pairs or short chains. On the basis of biological properties the bacteria were referred to group D streptococci. What is their name?

A. β-hemolytic streptococci.

B. α-hemolytic streptococci.

C. Pyogenic streptococci.

D. Enterococci.

E. Pneumococci.

*04* 115. Gram-positive diplococci with some pointed ends were revealed during the examination of a patient's sputum. Which microorganism is the most likely to cause the disease?

Legionella pneumophila.

Neisseria meningitidis.

Klebsiella pneumoniae.

Mycoplasma pneumoniae.

Streptococcus pneumoniae.

*08* Blood of a patient with presumable sepsis was inoculated into sugar broth. There appeared bottom sediment. Repeated inoculation into blood agar caused growth of small transparent round colonies surrounded by hemolysis zone. Examination of a smear from the sediment revealed gram-positive cocci in form of long chains. What microorganisms are present in blood of this patient?

Sarcina

Staphylococci

Tetracocci

Micrococci

Streptococci

85. Microscopy of the sputum of a patient with croupous pneumonia revealed numerous Gram-positive lanceolate diplococci surrounded by a capsule. Name the most likely causative agent.

Chlamidia pneumoniae.

Klebsiella pneumoniae.

C. Streptococcus pneumoniae.

Staphylococcus aureus

Escherichia coli.

A 12-year-old boy after angina has rheumatic damage of heart. Every successive streptococcal infection worsens the condition of the patient. What preparation is expedient to use for the prevention of complications?

A. Streptococcic toxoid.

B. Benzylpenicillin sodium salt.

C. Streptococcic bacteriophage.

D. Donor γ-globulin.

E. Autovaccine.

132. A doctor has suspected scarlet fever of a 2-year-old child with catarrh and skin rash. A small quantity of serum against streptococci erythrogenic toxin has been injected intracutaneously. In the place of injection the rash disappeared. What do reaction results indicate?

A. The whole doze of serum can be injected intravenously.

B. The child is hypersensitive to erythrogenic toxin.

The disease has been caused by a nonhemolytic streptococcus.

The clinical diagnosis has proved to be true.

E. Immune system of the child is considerably impaired.

*A woman, 48 years old, complains to breathless, eyelid edema, pain in the small of her back. There are protein, erythrocytes and hyalinic cylindres in the urine. Diagnosis is made “acute pyelonephritis”. History revealed she has being suffered from chronic tonsillitis for many years. What microorganism is the most probable reason of disease?

Streptococci

Staphylococci

Ureaplasma

Chlamidia

Proteus

Gonococcus

77. Pure culture of cocci-like microorganisms of urethral discharge was isolated from a patient with chronic urethritis. The culture fermented only glucose to acid in the standard Hiss' medium. Name the species of these microorganisms.

A. Neisseria gonorrheae.

B. Neisseria meningitidis.

C. Staphylococcus aureus.

D. Streptococcus pyogenes.

E. Enterococcus faecalis.

*04* 96. Bacteriological examination of pus urethral discharge revealed Gram-negative bacteria of coffee beans shape, which fermented glucose to acid and were found in leukocytes. To what disease causative agents can they be referred?

A. Syphilis.

B. Gonorrhea.

C.Venereal lymphogranulomatosis.

D.Soft chancre.

E. Leptospirosis.

*06* 105. Pus from urethra was inoculated onto special nutrient medium. Tender bluish colonies grew. Microscopical examination revealed Gram-negative bean-shaped diplococci. What disease do they cause?

A. Syphilis.

B. Chlamidiosis.

C. Gonorrhea.

D. Tularemia.

E. Myeloidosis.

167. Urethral purulent discharge is inoculated onto special nutrient medium. There have grown tender bluish colonies. Microscopy has shown Gram-negative bean-shaped diplococci. What disease do they cause?

Chlamidiosis.

Tularemia

Gonorrhea.

Syphilis.

Toxoplasmosis.

Pathological sample – purulent discharge from genital tracts of patient with acute urethritis has been sent to bacteriological laboratory. To isolate causative agent a nutrient medium – serum agar with vancomycin and nistatin has been prepared. Which microorganism is suggested to isolate?

Gonococcus

Pale spirochetes

Fungi from Candida genus

Chlamidia

Golden staphylococci

* A lots of Gram-negative cocci have been revealed into the smear from sputum. Choose the nutrient medium for bacteriological research

Blood agar

MPA

Endo medium

Bile broth

Ploskirev’s medium

133. An ophthalmologist has suspected blennorrhea (gonococcal conjunctivitis) of a sick child with purulent keratoconjunctivitis. What methods of laboratory diagnostics should be used for the confirmation of the diagnosis?

A. Microscopic and serologic.

D. Biological and allergic.

B. Serologic and allergic.

C. Biological and phage typing.

E. Microscopic and bacteriological.

*05* Newborn has been revealed purulent discharge from conjunctiva. At microscopy there are a lots of leukocytes and Gram-negative bean-shaped diplococci into them. Which causative agent is a reason of this case?

Neisseria catarrhalis

*Neisseria gonorrhoeae

Staphylococcus epidermidis

Staphylococcus aureus

Streptococcus pyogenes

*01*03* 137. During bacterioscopic examination of the purulent discharge from the uterus there were revealed Gram-negative bean-like diplococci situated in leukocytes and out of them. Which microorganism is the causative agent of the purulent inflammation of the uterus?

Chlamidia trachomatis.

Trichomonas vaginalis.

Neisseria gonorrhoeae.

Haemophilus vaginalis.

Calymmatobacterium granulo-matis

161. A sick woman has gonorrhea diagnosed on the basis of clinical symptoms. Which method is the most rational for confirmation of the diagnosis?

A. Precipitation test.

B. Infection of laboratory animals

C. Test with bacteriophage.

D. Hemagglutination test.

E. Microscopy of pathological material.