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