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