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Q 1/60
Score 0
1. In the bacterial growth cycle, growth in ceases because nutrients are exhausted or toxic metabolic products have accumulated in the:
30
c. Lag phase
b. Logarithmic phase
d. B and C
a. Stationary phase
Q 2/60
Score 0
2. Severe disseminated intravascular coagulation often complicates cases of septicemia caused by
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a. Acinetobacter sp.
c. Neisseria gonorrhoeae
d. Neisseria meningitides
b. Moraxella sp.
60 questions
Q.
1. In the bacterial growth cycle, growth in ceases because nutrients are exhausted or toxic metabolic products have accumulated in the:
1
30 sec
Q.
2. Severe disseminated intravascular coagulation often complicates cases of septicemia caused by
2
30 sec
Q.
3. Inflammatory swelling of the axilla and groin lymph nodes. Several blood cultures were obtained, resulting in growth of gram-negative rods resembling “closed safety pins.”
3
30 sec
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4. Causative agent of Valley fever
4
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5. What is the best stain for detecting fungal elements in laboratory specimens?
5
30 sec
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6. Which hepatitis causes high-mortality rate among pregnant women due to fulminant hepatitis?
6
30 sec
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7. What is the first step in the replication cycle of a virus?
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30 sec
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8. Which of the following viruses causes acute central nervous system disease in animals and humans?
8
30 sec
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9. Specimens collected for virus isolation should be kept at:
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30 sec
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10. Cold enrichment of feces (incubation at 4°C) in phosphate-buffered saline prior to subculture onto enteric media enhances the recovery of:
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11. Which single test best separates Klebsiella oxytoca from K. pneumoniae?
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12. Which of these drugs is not considered as a primary antimycobacterial therapy?
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13. Which of the following yeast enzymes is detected using birdseed (niger seed) agar?
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14. Viruses are composed of nucleic acid core made of:
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15. Material used for nasopharyngeal swabs
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16. Which one of the following is not appropriate when describing Streptococcus pneumoniae?
16
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17. Medium best suited for the recovery of Y.enterocolitica from a patient with gastroenteritis.
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18. The Superoxol test is used as a rapid presumptive test for:
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19. What are “Lepra cells”
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20. Which of the following gram-positive cocci ferment glucose?
20
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21. What is the most effective method of sterilization?
21
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22. Which of the following can be used as a positive control in gram staining?
22
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23. Mycobacteria have a large amount of a component in their cell wall that other bacteria lack. That component is
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24. Which of the following mycobacteria has an optimal growth temperature 30-32°C?
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25. M.tb is best differentiated from M.bovis by:
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26. What do optochin and bacitracin tests have in common?
26
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27. A positive Quellung test is:
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28. Which of the following is used for quality control for dry heat oven?
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29. Which hemolysin, produced by beta-hemolytic streptococci, is oxygen stable and nonantigenic?
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30. The VP test detects which end product of glucose fermentation?
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31. India ink is used as a screening test for the presence of :
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32. Which of the following produces small, very slow growing colonies and has favic chandeliers?
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33. Which of the following has a capsule?
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34. Dimorphic molds are found in infected tissue in which form?
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35. Bone marrow aspirates and buffy coat specimens are examined for this systemic fungi
35
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36. The bud and parent yeast are attached with a broad base, and the bud aften enlarges to the same size as the parent yeast
36
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37. Which of the following DNA viruses has double stranded DNA with reverse transcriptase in its core?
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38. Molluscum contagiosum under Poxviridae has which of the following intracytoplasmic cytopathic effect?
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39. Where is the site of virion assembly?
39
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40. German measles is caused by?
40
30 sec
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41. Enteroviruses can be differentiated from rhinoviruses by:
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42. Causative agent of COVID-19
42
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43. Specimen collected for SARS-CoV-2 testing can be stored at ___ deg Celsius for upto ___ hours.
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44. Which of the following members of Herpesviridae causes Infectious Mononucleosis?
44
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45. The symmetry of all DNA viruses except those under Poxviridae is:
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46. This is the type of microscope that would be most useful in examining viruses.
46
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47. Microscopic forms: Multiple budding yeast
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48. Systemic fungi which are encapsulated
48
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49. A smear of skin tissue reveals fluorescent septate hyphae. The smear was prepared using:
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50. Fungi should be incubated at:
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51. All of the following are examples of appropriate specimens for the recovery of fungi except?
51
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52. India ink is used as a screening test for the presence of :
52
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53. Molluscum contagiosum under Poxviridae has which of the following intracytoplasmic cytopathic effect?
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54. EBV attaches cells with _____ that is found among ____.
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55. A mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without envelope is called a:
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56. The appearance of Koplik spots in the oral mucosa of patients is characteristic of infection with what viral agent?
56
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57. Largest medically important DNA virus
57
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58. Biosafety Level applied in testing for SARS-CoV-2?
58
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59. What is the first step in the replication cycle of a virus?
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60. If viral samples are not tested immediately, in what dilution should you put the specimen?
