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