Otázky s chybnou odpovědí, č.j. 1567390
------------------------------------------------------------------------------------------
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)
------------------------------------------------------------------------------------------
 12. ( 14.orig.) Which of the following is able to activate complement?
 4) - IgE (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)
 4) - Latex particles are coated with CRP (zaškrtl-a)
------------------------------------------------------------------------------------------
 26. ( 24.orig.) Microbial exotoxins posses which of the following activities?
 1) + all of the above (nezaškrtl-a)
------------------------------------------------------------------------------------------
 32. ( 17.orig.) Which type of genetic exchange in bacteria is susceptible to the activity of deoxyribonuclease?
 1) + Transformation (nezaškrtl-a)
------------------------------------------------------------------------------------------
 42. ( 20.orig.) Extracellular pathogens can attempt to avoid immune detection by
 2) - inhibiting phagosome-lysosome fusion (zaškrtl-a)
------------------------------------------------------------------------------------------
 44. ( 25.orig.) Biochemical mechanisms occurring in bacterial resistance include:
 3) + Producing enzymes that break down antibiotic. (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)
------------------------------------------------------------------------------------------
 55. ( 23.orig.) E. coli-labile toxin and cholera toxin
 3) + ADP-ribosylate a G-protein, which as a result constantly activates adenylate cyclase. (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)
 4) + the bacteria secrete a protein exotoxin. (nezaškrtl-a)
------------------------------------------------------------------------------------------
TEST:autumn2  Varianta:2         Tisknuto:17/12/2019
------------------------------------------------------------------------------------------
  1. ( 21.orig.) Mark correct answer(s): 
 1) + Listeria monocytogenes is found in very high numbers in the amniotic fluid of congenitally infected infants. (nezaškrtl-a)
 2) - The pregnant woman with Listeria monocytogenes bacteremia is likely to develop a listerial meningitis. (zaškrtl-a)
 3) - Person-to-person transmission of listeriosis between adults commonly occurs. (zaškrtl-a)
 4) + Transmission of listeriosis from a mother to her unborn infant occurs. (nezaškrtl-a)
------------------------------------------------------------------------------------------
 11. ( 26.orig.) All of the following statements regarding the epidemiology of infections caused by Yersinia enterocolitica are correct EXCEPT:
 2) + Person to person spread is quite common (nezaškrtl-a)
 3) - Humans acquire the infection from ingestion of food or drinks contaminated by animals or animal products. (zaškrtl-a)
------------------------------------------------------------------------------------------
 16. ( 37.orig.) The substance(s) which can be produced by strains of Pseudomonas aeruginosa is/are
 2) + Haemolysins (nezaškrtl-a)
------------------------------------------------------------------------------------------
 18. ( 15.orig.) Inactivated viral vaccines are available for
 1) - measles (zaškrtl-a)
 2) + influenza (nezaškrtl-a)
 3) - mumps (zaškrtl-a)
 4) + hepatitis A  (nezaškrtl-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
 2) + 10 mm or more in diameter (nezaškrtl-a)
 3) - 1-4 mm in diameter (zaškrtl-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)
------------------------------------------------------------------------------------------
 29. (  2.orig.) Which of the following microorganism causes lesions in the form of abscesses?
 1) - Bacillus anthracis(zaškrtl-a)
 2) - Streptococcus pneumoniae(zaškrtl-a)
 4) - Streptococcus pyogenes(zaškrtl-a)
------------------------------------------------------------------------------------------
 30. ( 39.orig.) Cholera toxin
 2) - is composed of three subunits (zaškrtl-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)
 3) - Vibrio cholerae(zaškrtl-a)
------------------------------------------------------------------------------------------
 39. (  1.orig.) Regarding the effect of benzylpenicillin (penicillin G) on bacteria, which one of the following organisms is LEAST likely to be resistant?
 4) + Streptococcus pyogenes(nezaškrtl-a)
------------------------------------------------------------------------------------------
 46. ( 36.orig.) Which of the following infection(s) can be caused by Pseudomonas aeruginosa?
 1) + Wound and burn infection (nezaškrtl-a)
------------------------------------------------------------------------------------------
 47. ( 35.orig.) Pseudomonas aeruginosa can be diagnosed from the pigment, known as
 2) + Pyomelanin (nezaškrtl-a)
 4) + Pyocyanin (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)
 3) - On Gram stain of lesions the organism occurs in strands (zaškrtl-a)
------------------------------------------------------------------------------------------
 50. (  4.orig.) Puerperal fever is a streptococcal infection of the
 1) - heart (zaškrtl-a)
 3) + uterus (nezaškrtl-a)
------------------------------------------------------------------------------------------
 56. ( 30.orig.) Which of the following statements is/are true about Haemophilus influenzae b (Hib) vaccine:
 2) + Has been conjugated with either non-toxic variant of diphtheria vaccine or tetanus toxoid (nezaškrtl-a)
------------------------------------------------------------------------------------------
 57. ( 27.orig.) Causes of bacterial meningitis in neonates include:
 2) + Streptococcus pneumoniae(nezaškrtl-a)
 4) + Streptococcus agalactiae (group B streptococcus) (nezaškrtl-a)
------------------------------------------------------------------------------------------
 58. ( 28.orig.) Neisseria meningitis
 1) - Is a heterotrophic gram-positive diplococcus (zaškrtl-a)
 2) + It exists as normal flora in the nasopharynx of up to 5-15% of adults. (nezaškrtl-a)
 3) + Is a heterotrophic gram-negative diplococcus (nezaškrtl-a)
 4) + Can be is spread through the exchange of saliva and chewing on toys. (nezaškrtl-a)
------------------------------------------------------------------------------------------
 61. ( 31.orig.) Ophthalmia neonatorum is caused by: 
 4) + Neisseria gonorrhoeae(nezaškrtl-a)
------------------------------------------------------------------------------------------
 62. ( 22.orig.) Neisseria meningitidis is a serious cause of bacterial infection which
 1) + Can result in Waterhouse-Friderichsen syndrome (nezaškrtl-a)
 2) + Can result in septicaemia (nezaškrtl-a)