Bank of Krok testing to module N1

A Precipitation test
B Indirect hemagglutination test
C Agglutination test
D Immunofluorescence test
E Complement- fixation test

50. Indirect immunofluorescence test has been used to detect toxoplasmas antibodies in the blood serum of a pregnant woman. At first, the fixed smear of toxoplasmas was processed with the investigated serum. With what should the specimen be processed at the following stage?

1. 
   Luminescent serum against human immunoglobulins.
   
2. 
   Fluorescent solution.
   
3. 
   Human normal immunoglobulin.
   
4. 
   Diagnostic serum containing toxoplasmas antibodies.
   
5. 
   Serum containing fluorescent-labeled toxoplasmas antibodies.
   

*04* During outbreak of acute respiratory infection to diagnose influenza rapid (express) diagnostics is made that is based onto revealing of specific virus antigen in clinical samples. Which test is used for this purpose?

1. 
   Complement fixation test
   
2. 
   *Immunofluorescence
   
3. 
   Precipitation
   
4. 
   Opsonization
   
5. 
   Agglutination
   

*The outbreak of infection probably of virus etiology was registered in kindergarten. It is necessary to plan antiepidemic measures . Which reactions (tests) or laboratory diagnostics methods should be used first for rapid (fast) and timely decryption this outbreak?

1. 
   Immunofluorescence microscopy
   
2. 
   Electron microscopy
   
3. 
   Virological method
   
4. 
   Serological method
   
5. 
   Light microscopy of native material
   

56. A patient is hospitalized with the previous diagnosis of hepatitis B. To diagnose the disease a serological reaction based on interaction of antigen and antibody, chemically linked to peroxidase or alkaline phosphatase, was carried out. Name this reaction.

1. 
   Complement fixation test.
   
2. 
   Radioimmunoassay.
   
3. 
   Immunofluorescence test.
   
4. 
   Enzyme immunoassay.
   
5. 
   Immobilization.
   

66. Causative agent antigens can be revealed in blood of patients with different infectious diseases. What reaction should be used, taking into account that antigenemia level is low?

A. ELISA.
B. Agglutination test.
C. Indirect hemagglutination test.
D. Latex agglutination method.
E. Immunoelectrophoresis.

57. A causative agent has been isolated from a patient with acute gastroenteritis. It should be identified by antigen structure. Which serological reaction should be used?

1. 
   Precipitation.
   
2. 
   Complement fixation test.
   
3. 
   Neutralization.
   
4. 
   Agglutination.
   
5. 
   Opsonization
   

58. A patient with a suspicion of the chronic form of gonorrhea was admitted to a hospital. Choose a two-system serological reaction for detecting specific antibodies in the serum.
A. Complement fixation test.
B. Neutralization.
C. Agglutination.
D. Radioimmunoassay.
E. Enzyme immunoassay.

68. Hemolytic serum against sheep erythrocytes is necessary for work in the laboratory, where serologic diagnostics of infectious diseases is carried out. Name the test, during which the serum is used.

1. 
   Viral hemagglutination test.
   
2. 
   Indirect hemagglutination test.
   
3. 
   Test for the diagnostics of new­ borns' diseases.
   
4. 
   Passive hemagglutination.
   
5. 
   Complement fixation test.