Bank of Krok testing to module N1

A O-streptolysin
B C-carbohydrate
C M-protein
D Erythrogenic toxin
E Capsular polysaccharide

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

*12* b-12 During examination of a patient a dentist revealed a lot of “white-spot zones of enamel dimeneralization” What microorganisms take part in the development of this process?

1. 
   Staphylococcus epidermidis
   
2. 
   Streptococcus mutans
   
3. 
   Veilonella parvula
   
4. 
   Streptococcus salivarius
   

Streptococcus pyogenes

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**2013* b-12 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. B-12 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. b-12 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.

B-12 A patient who came to the doctor because of his infertility was administered to make tests for toxoplasmosis and chronic gonorrhoea. Which reaction should be performed to reveal latent

toxoplasmosis and chronic gonorrhoea of the patient?