NEW
Font size
WorksheetsStool Examination Techniques Quiz
Total questions: 20
Worksheet time: 10mins
Stool concentration techniques are mainly used for detection of
Viruses
Bacteria
Parasite ova and cysts
Fungi
Principle of sedimentation technique is based on
Specific gravity
Electrical charge
Centrifugal force only
Filtration
Common sedimentation method used in stool examination is
Floatation method
Formol-ether concentration
McIntosh method
Ziehl-Neelsen method
Floatation techniques are based on use of solutions with
Lower specific gravity than parasites
Higher specific gravity than parasites
Neutral pH
High viscosity
Zinc sulphate flotation is mainly used to detect
Helminth eggs only
Protozoal cysts only
Both protozoal cysts and helminth eggs
Bacteria
Major disadvantage of flotation technique is
Loss of heavy eggs
Time consuming
Expensive
Low sensitivity
Laboratory diagnosis of viral infections includes all EXCEPT
Culture
Serology
Microscopy with Gram stain
Molecular methods
Most commonly used molecular method for viral diagnosis is
ELISA
PCR
Western blot
Coagulase test
Virus isolation in cell culture is detected by
Catalase reaction
Colony morphology
Cytopathic effect
Gram stain
Shell vial assay is used for rapid detection of
Cytomegalovirus
Influenza virus
Rabies virus
Poliovirus
Hemagglutination test is used in diagnosis of
Staphylococci
Mycobacteria
Influenza virus
Clostridium tetani
Antimicrobial susceptibility testing determines
Virulence
Minimum inhibitory concentration
Drug resistance pattern
Antibody titre
Kirby-Bauer method is a type of
Tube dilution
Agar diffusion
E-test
Broth culture
Mueller-Hinton agar is used for
AST of bacteria
Fungal culture
Viral culture
Anaerobic culture
Minimum inhibitory concentration (MIC) is defined as
Lowest drug concentration killing bacteria
Highest drug concentration inhibiting bacteria
Lowest drug concentration inhibiting visible growth
Average drug concentration
E-test is used to determine
Zone of inhibition only
MIC value
Bactericidal activity
Serotyping
IMViC tests are used for identification of
Staphylococci
Non-fermenters
Enterobacteriaceae
Mycobacteria
IMViC stands for
Indole Methyl red Voges Proskauer Citrate
Iron Motility Voges Proskauer Citrate
Indole Motility VP Citrate
Indole MR VP Coagulase
Inclusion bodies are
Bacterial spores
Aggregates of viral particles in host cells
Antibodies
Enzymes
Negri bodies are seen in
Rabies virus
Herpes virus
Measles virus
Adenovirus
