Yersinia pestis

148. Microscopical examination of the sputum of a patient with acute pneumonia preliminary diagnosed has shown chaotically located microorganisms of ovoid form up to 2 microns long, more intensively stained on the poles. What the most probable diagnosis can be made on the basis of this data?

A. Pneumonic plague.

B. Streptococcal pneumonia.

C. Staphylococcal pneumonia.

D. Klebsiella pneumonia.

E. Diphtheria.

*05* 171. In a mountain settlement mass death of rodents was observed. Simultaneously the inhabitants of this area were ill. The illness was accompanied by the fast rise of body temperature up to 40° C, apparent intoxication, increase of inguinal lymph nodes. In the touch smears of cadaveric material Gram-negative bipolarly stained ovoid rods were revealed. What microorganisms are the causative agents of this infectious disease?

Staphylococci.

Causative agents of anthrax.

Causative agents of plague.

Causative agents of tularemia.

Clostridia.

* From dead rodent ovoid, Gram-negative, and bipolar stained bacteria have been isolated. What microorganism may it be?

Causative agent of plague

Tubercle bacilli

Causative agent of syphilis

Staphylococcus

Streptococcus

* A geologist which has returned from expedition visited doctor and had typical for plague complaints. During examination doctor revealed symptoms of pneumonia. Which method of microscopy allows to reveal typical for causative agent of plague irregularity of staining?

With Pfeiffer’s fuchsine

With methylene blue (by Loeffler)

With carbolic fuchsine (Ziehl’s fuchsine)

By Romanowsky-Giemsa

By Gram

*02* From the sputum of patient with headache, shivering, and cough Gram-negative, ovoid rods with bipolar staining have been isolated. They were located in chains into the smear from broth culture, and they formed R-forms of colonies onto agar. What disease is it typical for?

*Plague

Meningococcal nasopharingitis

Tuberculosis

Diphtheria

Streptococcal angina

Tularemia

*01* A man, 44 years old, muskrat hunter, has had heightening temperature up to 38⁰С, headache, lid eyes edema, conjunctiva hyperemia, and surface ulcer onto the skin of neck. іIndicate the probable causative agent of disease:

Yersinia pseudotuberculosis

Brucella suis

Leptospira interrogans

Bacillus anthracis

*Francisella tularensis

*00* A doctor had suspected bubonic form of tularemia and sent clinical samples to laboratory for bacteriological method. Which feature of this method is at this definite case?

*Pure culture is isolated from infected laboratory animals

Pure culture is isolated on solid media

Pure culture is isolated on enriched media

Pure culture is isolated into liquid media

Isolated culture is identified due to antigenic structure

Brucella

114. During the swing of flu epidemic a milkmaid referred to a doctor with complaints of high body temperature, general weakness, absence of appetite, pain in joints. During 10 days she has been having self-treatment for flu. The infectiologist suspected brucellosis. Using what reaction is it possible to diagnose brucellosis?

A. Wright's.

B.Wassermann test.

C.Coombs test.

D.Widal'stest.

E. Ouchterlony test.

*06* A veterinarian, working at cattle farm, visited doctor and complained of pain in joints, fever, weakness, night sweats. He has been ill for a month. According to complaints and patient profession doctor suspected brucellosis. Which material collected from this patient should be exameneed in ordinary bacteriological laboratory?

*blood serum

Cerebrospinal fluid

Vomiting mass

Urine

Feces

*00* From a patient, 40 years old, with acute feverish disease of unknown etiology blood was collected for serology at the 8^th day of illness. After agglutination test with different diagnosticums it has been estimated that Widal test was positive at serum dilution 1:100, and Wright test - at serum dilution 1:400. Which diagnosis may be made according to serology results?

*Brucellosis

Enteric fever

Paratyphoid fever A

Paratyphoid fever B

Leptospirosis

84. During a scheduled examination milkmaids had a Burnet's intracutaneus allergy test. This test is used to detect hypersensitivity to:

A. Brucellin.

B. Tuberculin.

C. Old tuberculin.

D. Tularin.

E. Antraxin.

126. A patient with an infectious disease has positive skin allergic Burnet's test. What diagnosis was confirmed by this test?

A. Q fever.

D. Salmonellosis.

B. Tularemia.

C. Typhoid fever.

E. Brucellosis.

11. A patient with brucellosis has a positive Burnet's intracutaneous allergy test. Which immune system factor can induce inflammatory reaction in the site of brucellin introduction?

A. IgA.

C.IgE.

D.IgG.

E.IgD.

B. Sensitized T-lymphocytes.

144. A child has brucellosis diagnosed. The child didn't have any contacts with sick animals. How could the infection get into the organism?

A. Via dirty hands.

D. Via unpasteurized milk.

B. Via dirty vegetables and fruit.

C. Via water.

E. During injections.