Microbiology Quiz 1
1 / 50
A type of immediately occuring reaction in which antigens combine with antibodies already attached to the surface of mast cells and basophils is called_____________?
2 / 50
Which of the following methods is adopted for screening HIV infection ?
3 / 50
The best skin disinfectant is________________?
4 / 50
Cysticercosis celluosae is caused by_____________?
5 / 50
Portal of entry of poliovirus in mainly_______________?
6 / 50
Actinomycetes is______________?
7 / 50
Disinfection frees the surface from______________?
8 / 50
The reaginic antibody is________________?
9 / 50
IgG antibodies have a half-life of approximately_______________?
10 / 50
Chemotactic cytokine is_________________?
11 / 50
Mycobacterium tuberculosis is differentiated from other atypical mycobacteria by______________?
12 / 50
Graft versus host reaction is caused by_________________?
13 / 50
Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
14 / 50
Each of the following can cause food poisoning except________________?
15 / 50
Leptospirosis, all are true except______________?
16 / 50
Who first introduced solid media_______________?
17 / 50
All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?
18 / 50
Salivary peroxidise system is known to be effective agianst________________?
19 / 50
Amoebic liver abscess can be diagnosed by demonstratig________________?
20 / 50
Bacteria acquire characteristics by all the following except_______________?
21 / 50
The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?
22 / 50
Type I hypersensitivity is mediated by which of the following immunoglobulins ?
23 / 50
Gram -ve bacteria stain during gram staining____________?
24 / 50
Causative organism for gas gangrene_______________?
25 / 50
Investigation of choice for invasive amoebiasis is________________?
26 / 50
For the treatment of case of class III dog bite, all of the following are correct except_____________?
27 / 50
Black pigmented anaerobes include all of the following except______________?
28 / 50
Teichoic acid is present in cell walls of_________________?
29 / 50
The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
30 / 50
Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
31 / 50
About Bacteroids True are all Except_______________?
32 / 50
Which of the following provides best gurantee for sterlization in the heat sterilizer ?
33 / 50
The earliest identifiable cells of T-Cell lineage during maturation are_______________?
34 / 50
Complement binding immunoglobin via the classical pathway is_______________?
35 / 50
parasitic inflammation would show predominantly____________________?
36 / 50
Which of the following viruses are most likely to cross placenta and cause foetal defect ?
37 / 50
A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
38 / 50
Lesions caused by Entameoba histolytica predominantly involve________________?
39 / 50
Candida is most often implicated in causation___________________?
40 / 50
The facultative anaerobic bacteria are those who are_______________?
41 / 50
IgG has subclasses_______________?
42 / 50
Incubation pariod of herpes zoster is________________?
43 / 50
A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?
44 / 50
The difference between sterilization and disinfection is that_______________?
45 / 50
Hydatid cyst is__________________?
46 / 50
Human immunoglobulins are divided based on_____________?
47 / 50
Enterically transmitted NANB hepatitis B_____________?
48 / 50
Common name for Trichuris trichura________________?
49 / 50
The difference between gram positive and negative bacteria lies in their_______________?
50 / 50
The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?
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