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WorksheetsAMLT SEM 3
Total questions: 50
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
1. The phases where quality control activites are moitored are
a)
a. Post analytical
b)
b. Pre analytical
c)
c. Analytical
d)
d. All of the above
2.
2. The preanlytical phase includes
a)
a.Test ordering
b)
b. Patient preparation
c)
c. Specimen collection and transport
d)
d. All of the above
3.
3. The post analytical phase includes
a)
a. Sample testing
b)
b. Test ordering
c)
c. Typing of reports
d)
d. None of the above
4.
4. An inappropriately collected sample for Urine culture will show
a)
a. = 1 type of organism
b)
b. = 2 types of organisms
c)
c. => 3 types of organisms
d)
d. = No growth
5.
5.Media quality control incudes
a)
a. Sterility and specific growth performance
b)
b. Sterilty check only
c)
c. Specific growth performance only
d)
d. All of the above
6.
6. Daily QC testing in microbiologyis carried out for
a)
a. Gram stain
b)
b. ZN stain
c)
c. Catalase, Coagulase and Oxidase tests
d)
d. All of the above
7.
7. The ATCC strain recommended for disc susceptibility QC for Enterobactriaceae is
a)
a. Salmonella typhi ATCC 5924
b)
b. Escherichia coli ATCC 25922
c)
c. Staphylococcus aureus ATCC 25923
d)
d. Pseudomonas auruginosa ATCC 27853
8.
8. Quality probes monitored as part of Quality assurance can be
a)
a. Monitoring of blood culture contamination rate
b)
b. Timely reporting of positive findings in CSF, blood
c)
c. Repeat testing of samples
d)
d. All of the above
9.
9. Method to preserve stock cultures
a)
a. Periodic transfer to fresh media
b)
b. Refrigeration
c)
c. Paraffin method
d)
d. All of the above
10.
10. Isolates preserved by Cryopreservation can remain viable upto
a)
a. One day
b)
b. 10 - 30 years
c)
c. 5 days
d)
d. 10 days
11.
11. Infectious waste can be disposed by
a)
a. Dispose in the municipal garbage
b)
b. Autoclaved and then disposed off with the regular garbage
c)
c. Kept in sunlight and then dispose
d)
d. None of the above
12.
12. One Method of handling waste is
a)
a. Autoclaving
b)
b.Throwing on the roads
c)
c. Placing the garbage in pink coloured bags
d)
d. All fo the above
13.
13. For general laboratory clean up
a)
a. Soap and water is used
b)
b. Tap water is used
c)
c. Sodium hypochlorite 0.05 % is used
d)
d. None of the above
14.
14. For Cryopreservation of cultures
a)
a. Cultures are boiled
b)
b. Cultures are rapidly frozen in liquid nitrogen at - 196 °C
c)
c. Cultures are frozen
d)
d. None of the above
15.
15. The advantage of Periodic transfer method of preserving cultures is
a)
a. The culture remains viable for several weeks on a simple nutrient agar plate
b)
b. Cultures can be maintained for atleast 4 years
c)
c. The cultures can be amintained for 15 years
d)
d. None of the above
16.
16. What is the most important pathogen (Bad) in chicken in industries?
a)
a. E.coli,
b)
b. Salmonella
c)
c. Listeria
d)
d. Lactobacillus
17.
17. Which bacteria are responsible for Yogurt production from milk?
a)
a. Lactobacillus bulgarius
b)
b. Streptococcus pnemoniae
c)
c. Bacillus cereus
d)
d. Aspergillus flavus
18.
18.Miso is produced by following fungus?
a)
a. Aspergillus flavus
b)
b. Aspergillus niger
c)
c. Aspergillus oryzae
d)
d. Aspergillus clavatus
19.
19. Bacillus cereus found in which starchy foods?
a)
a. Chapati
b)
b. Fried Rice
c)
c. Stews,
d)
d. Spinach
20.
20. Clostridium perfringens mostly is found in food ?
a)
a. Fried rice
b)
b. Cereals
c)
c. Pastas & pastas
d)
d. Poultry
21.
21. Eukaryotes have following features?
a)
a. Unicellular
b)
b. without nucleus
c)
c. selective Nuclear Membrane
d)
d. Without Chloroplast
22.
22. From which kingdom Archaeabacteria belong?
a)
a. Monera
b)
b. Protista
c)
c. Plante
d)
d. Fungi
23.
23. Mesophilic organisms are?
a)
a. grow well 20-450 C, optimum at 30-400C
b)
b. grow well below 70 C, optimum at 20-300 C
c)
c. grow well at and above 450 C, optimum at 55-650 C
d)
d. Survive, but do not grow at high temps
24.
24. Jaundice is caused by ?
a)
a. E.coli
b)
b. Salmonella spps.
c)
c. Hepatitis A virus
d)
d. Cryptosporidium oocysts
25.
25 Dark Colored urine can be due to
a)
a. Foods like blackberries, beets, and rhubarb,
b)
b. Medicines like vitamin B, phenazopyridine (Pyridium), rifampin, and phenytoin (Dilantin).
c)
c. Menstruating or close to starting your menstrual period
d)
d. All of the above
26.
26. With 1+ leucocytes on the dip stick the microscopic finding must be
a)
a. 15 - 25 leucocytes/hpf
b)
b. More than 50 rbc's/hpf
c)
c. Enormous leucocytes /hpf
d)
d. Upto 15 leucocytes/hpf
27.
27. With 1+ blood on the dip stick the microscopic finding must be
a)
a. More than 20 /hpf
b)
b. Upto 10 rbc's /hpf
c)
c. 10 - 20 rbc's /hpf
d)
d. Enormous rbc/hpf
28.
28. The principle of the leucocyte test is
a)
a. A combination of three indicators, methyl red, bromthymol blue and phenolphthalein.
b)
b. The free indoxyl released reacts with a diazonium salt to form a violet dye.
c)
c. Correlation with the ion concentration in urine
d)
d. Principle of Griess test
29.
29. Sterilization is a process that renders a product free from
a)
a. all viable micro-organisms including spores
b)
b. all bacteria
c)
c. all viruses
d)
d. all fungi
30.
30. Disinfection is a process that
a)
a. removes all viable micro-organisms including spores
b)
b. removes most micro-organisms excluding spores
c)
c. removes all viruses
d)
d. removes all fungi
31.
31. Holding time is the time period
a)
a. which elapses between the chamber &the least accessible part of the load reaching the holding temp
b)
b. the time period for which the temperature in all parts of the load is exposed to the sterilization temp
c)
c. taken for the entire process of sterilisation to be completed
d)
d. none of the above
32.
32. In case of Protein equal to or more than 1+ on the dip stick we should look for
a)
a. Calcium oxalate crystals
b)
b. RBC cast
c)
c. Bilirubin crystals
d)
d. Hyaline or Granular casts
33.
33 One reason for difference in results between dipstick and microscopy
a)
a. Low pH values [ 4 - 6 ]
b)
b. Specific gravity above 1.030
c)
c. Leaving the urine or the sediment to stand too long prior to assessment
d)
d. All of the above
34.
34. One of the common crystal seen even in healthy patients is
a)
a. Ammonium biruate
b)
b. Cystine
c)
c. Leucine
d)
d. Calcium oxalate
35.
35. Presence of RBC's in a urine sample can be due to
a)
a. Urolithiasis
b)
b. Severe Urinary tract infection [ UTI ]
c)
c. Kidney stones
d)
d. All of the above
36.
36. The following is not a type of autoclave
a)
a. downward displacement
b)
b. high vaccum
c)
c. porous load
d)
d gas plasma
37.
37. The problem with ethylene oxide is that
a)
a. it has a bad odour
b)
b. it can be explosive
c)
c. it needs high temperature
d)
d. it does not require aeration
38.
38. Ketones in urine can mean
a)
a. Uncontrolled diabates
b)
b. Very high carbohydrate diet
c)
c. When a person eats very heavily
d)
d. None of the above
39.
39.Cysts form is observed in stool for
a)
a. Taenia saginata
b)
b. Entamoeba histolytica
c)
c. Echinococcus granulosus
d)
d. Acanthamoeba
40.
40. The following is a biological indicator for sterilization
a)
a. Bacillus stearothemophilus
b)
b. Clostridium tetani
c)
c. Bacillus anthrax
d)
d. Clostridium perfringens
41.
41. Participating in External quality control programmes is a complusory requirement for CAP accreditation
a)
a. True
b)
b. False
c)
c. Can't say
42.
42. Which of the following concentration of H2SO4 is used in Modified ZN stain for cyclospora
a)
a.1%
b)
b. 20%
c)
c. 5%
d)
d. 100%
43.
43. Which of the following bio-safety cabinets has laminar air-flow
a)
a. Class I
b)
b. Class II
c)
c. Class III
d)
d. Class IV
44.
44. Which of the following bio-safety cabinets provides enviromental protection
a)
a. Class I
b)
b. Class II
c)
c. Class III
d)
d. All of the above
45.
45. Cyst of Acanthamoeba can be found in
a)
a. cornea
b)
b. skin
c)
c. sputum
d)
d. urine
46.
46.Parasites infection can be acquired by
a)
a. food and water
b)
b. insects
c)
c. through skin penetration
d)
d. all of the above
47.
47. HEPA filter leak is done in
a)
a. Class I
b)
b. Class II
c)
c. Class III
d)
d. All of the above
48.
48. Which of the following cabinets is totally enclosed
a)
a. Class I
b)
b. Class II
c)
c. Class III
d)
d. All of the above
49.
49. What can affect the color of the urine sample
a)
a. Fluid balance
b)
b. Diet
c)
c. Medicines
d)
d. All of the above
50.
50. The most commonly used biosafety cabinets in Microbiology labs is
a)
a. Class I
b)
b. Class II
c)
c. Class III
d)
d. Class IV
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