Otázky s chybnou odpovědí, č.j. 9014225
------------------------------------------------------------------------------------------
TEST:autumn12  Varianta:2         Tisknuto:17/12/2019
------------------------------------------------------------------------------------------
  5. (  7.orig.) Which is true for endotoxins? 
 2) - Highly toxic and fatal in microgram quantities (zaškrtl-a)
------------------------------------------------------------------------------------------
  6. ( 11.orig.) Complement component C3b:
 1) + Opsonizes bacteria. (nezaškrtl-a)
 3) - Is chemotactic. (zaškrtl-a)
------------------------------------------------------------------------------------------
 21. ( 15.orig.) Which of the following best explains the reaction that takes place in the latex agglutination slide test for CRP?
 1) + Latex particles are coated with anti-CRP (nezaškrtl-a)
 2) - CRP is acting as an antibody (zaškrtl-a)
------------------------------------------------------------------------------------------
 32. ( 17.orig.) Which type of genetic exchange in bacteria is susceptible to the activity of deoxyribonuclease?
 2) - Transduction (zaškrtl-a)
 3) - Conjugation (zaškrtl-a)
------------------------------------------------------------------------------------------
 35. ( 18.orig.) You have recently identified a new toxin. It is produced by a gram-negative bacterium. It is composed mostly of protein, has high toxicity, and is not heat stable. You also discover that it targets liver cells. Based on these characteristics, how would you classify this toxin?
 1) - endotoxin (zaškrtl-a)
 2) + exotoxin (nezaškrtl-a)
------------------------------------------------------------------------------------------
 36. ( 10.orig.) Bacterial spores are characterized by 
 1) - the absence of ribosomes (zaškrtl-a)
 4) - the absence of nucleoid (zaškrtl-a)
------------------------------------------------------------------------------------------
 42. ( 20.orig.) Extracellular pathogens can attempt to avoid immune detection by
 2) - inhibiting phagosome-lysosome fusion (zaškrtl-a)
 3) - growing within a phagolysosome (zaškrtl-a)
------------------------------------------------------------------------------------------
 43. (  6.orig.) Beta-lactam antibiotics are correctly described as all of the following EXCEPT
 4) - more bactericidal against growing bacteria than against nongrowing bacteria (zaškrtl-a)
------------------------------------------------------------------------------------------
 44. ( 25.orig.) Biochemical mechanisms occurring in bacterial resistance include:
 1) + The development of alternative biochemical pathways. (nezaškrtl-a)
------------------------------------------------------------------------------------------
 53. (  9.orig.) Bacterial H antigen is derived from
 2) - haptenic oligosaccharide (zaškrtl-a)
 4) + flagellin (nezaškrtl-a)
------------------------------------------------------------------------------------------
 54. ( 12.orig.) Which of the following cell types is considered a professional antigen-presenting cell? 
 1) + B cell (nezaškrtl-a)
------------------------------------------------------------------------------------------
 64. ( 22.orig.) Fresh cell-culture media and media that a bacterial strain was grown in are injected separately into different mice. Only the mice that received the bacterial-exposed media become ill, but this effect is negated by first treating the media with a proteinase. This finding suggests that
 3) - the proteinase is harmful for the mice. (zaškrtl-a)
------------------------------------------------------------------------------------------
TEST:autumn2  Varianta:2         Tisknuto:17/12/2019
------------------------------------------------------------------------------------------
  3. ( 16.orig.) Which of the following can be caused by either a bacterial or viral infection?
 1) - impetigo (zaškrtl-a)
------------------------------------------------------------------------------------------
 16. ( 37.orig.) The substance(s) which can be produced by strains of Pseudomonas aeruginosa is/are
 2) + Haemolysins (nezaškrtl-a)
 4) + Exotoxins A and S (nezaškrtl-a)
------------------------------------------------------------------------------------------
 18. ( 15.orig.) Inactivated viral vaccines are available for
 1) - measles (zaškrtl-a)
 3) - mumps (zaškrtl-a)
------------------------------------------------------------------------------------------
 19. ( 20.orig.) Bacteria commonly acquired from animals include
 1) - Legionella pneumophila(zaškrtl-a)
 2) + Listeria monocytogenes(nezaškrtl-a)
------------------------------------------------------------------------------------------
 24. (  6.orig.) A positive Mantoux test indicates an area of induration of
 1) - 0 mm (no induration) (zaškrtl-a)
 2) + 10 mm or more in diameter (nezaškrtl-a)
------------------------------------------------------------------------------------------
 25. ( 25.orig.) A 8 year old girl was playing in a slowly moving stream when she cut her foot on a sharp object. Three days later she was brought to the emergency room of Tribhuvan University Teaching Hospital hospital because of pain and swelling at the site of the wound and drainage of pus from it. The most likely cause of the infection is
 2) + Vibrio vulnificus(nezaškrtl-a)
------------------------------------------------------------------------------------------
 31. ( 12.orig.) Identify the bacteria which is (are) oxidase-positive?
 4) + Neisseria(nezaškrtl-a)
------------------------------------------------------------------------------------------
 33. ( 32.orig.) Which of the following bacteria has the lowest 50% infective dose (ID50)?
 1) + Shigella sonnei(nezaškrtl-a)
 4) - Campylobacter jejuni(zaškrtl-a)
------------------------------------------------------------------------------------------
 41. ( 10.orig.) The toxin of Staphylococcus aureus that may result into scalded skin syndrome is
 2) + Epidermolytic toxin (nezaškrtl-a)
 3) - Leucocidin (zaškrtl-a)
------------------------------------------------------------------------------------------
 47. ( 35.orig.) Pseudomonas aeruginosa can be diagnosed from the pigment, known as
 1) + Pyorubrin (nezaškrtl-a)
 2) + Pyomelanin (nezaškrtl-a)
------------------------------------------------------------------------------------------
 48. ( 23.orig.) All the following statements regarding etiologic agents of Chancroid are correct except:
 1) + The organism grow well on Standard Chocolate Agar (nezaškrtl-a)
 2) - The organism is susceptible to erythromycin (zaškrtl-a)
------------------------------------------------------------------------------------------
 50. (  4.orig.) Puerperal fever is a streptococcal infection of the
 3) + uterus (nezaškrtl-a)
 4) - skin (zaškrtl-a)
------------------------------------------------------------------------------------------
 52. ( 14.orig.) Which is the most common form of anthrax? 
 1) + Cutaneous anthrax (nezaškrtl-a)
 3) - Inhalation anthrax (zaškrtl-a)
------------------------------------------------------------------------------------------
 57. ( 27.orig.) Causes of bacterial meningitis in neonates include:
 2) + Streptococcus pneumoniae(nezaškrtl-a)
------------------------------------------------------------------------------------------
 58. ( 28.orig.) Neisseria meningitis
 2) + It exists as normal flora in the nasopharynx of up to 5-15% of adults. (nezaškrtl-a)
------------------------------------------------------------------------------------------
 63. ( 29.orig.) Which of the following is/are true about Diphtheria:
 2) + Corynebacterium diphtheriae may cause skin infections (nezaškrtl-a)