Seriously, More Questions Flashcards
What is surveillance:
Collection and analysis of data on disease occurrence
- purpose is to detect trends and changes in the distribution of the disease
Seropositive for (…. Disease) means clinical symptoms are:
a) Present
b) Absent
b) Absent
Eradication of infectious disease means:
Reduction of an infectious diseases prevalence in the global host population to zero
Tricomponental foci of infectious diseases are divided into:
a) Synanthropic, interhostal, recipiental
b) Vector, interhostal, postinterhostal
c) Interhostal, synanthropic, vector
b) Vector, interhostal, postinterhostal
Define a polyvalent vaccine:
When it contains 2 or more strains of the same antigen
What are the positive result in haemagglutination inhibition test (HIT) is:
a) Haemolysis
b) Sedimentation of erythrocytes
c) Colour change
b) Sedimentation of erythrocytes
Name the serological methods: (6)
- Agglutination methods (rapid slide, commercial, tube)
- Complement fixation test
- Virus neutralization test
- Immune-diffusion test
- Haemagglutination test
- ELISA test
Which ELISA test is for detection of Antibody and which for Antigen:
- Sandwich and Competitive ELISA detect Antigen
- Indirect and Blocking ELISA detect Antibody
Synthetic immunomodulators are:
a) Glucans
b) Cyclophosphamide
c) Levamisole, Isoprinosine
c) Levamisole, Isoprinosine
Phagocytes of mammals:
Neutrophils, Macrophages, Monocytes