Antimicrobial resistence

Beschreibung

Entry Tests / Final Microbiologoy - PUM Quiz am Antimicrobial resistence, erstellt von Leon Schwarze am 21/02/2024.
Leon Schwarze
Quiz von Leon Schwarze, aktualisiert vor 9 Monate
Leon Schwarze
Erstellt von Leon Schwarze vor 9 Monate
26
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Zusammenfassung der Ressource

Frage 1

Frage
Definition KPC Klebsiella Pneumoniae carbapenemase
Antworten
  • True
  • False

Frage 2

Frage
Beta-lactams don’t work on atypical bacteria, because: Atypical bacteria lack cell walls and thus are naturally resistant against all beta-lactams & because beta-lactams act by preventing the synthesis of the bacterial cell wall.
Antworten
  • True
  • False

Frage 3

Frage
Which bacteriaare intrinsically resistant to vancomycin (glycopeptide)
Antworten
  • a) Lactobacillus
  • b) Erysipelothrix
  • c) a+b

Frage 4

Frage
Resistance to [blank_start]Quinolones[blank_end]. is caused by chromosomal mutation in structural genes of DNA gyrase and topoisomerase IV
Antworten
  • Quinolones

Frage 5

Frage
Which Bacteria can become resistant to Macrolides
Antworten
  • Staphylococcus
  • Streptococcus

Frage 6

Frage
In gentamicin active efflux of drug in bactericides
Antworten
  • True
  • False

Frage 7

Frage
Chloramphenicol is the enzymatic modifcation of acetyltransferase-
Antworten
  • True
  • False

Frage 8

Frage
Which resistant bacterias are enzymatic
Antworten
  • PRSA
  • HLAR
  • MRSA
  • ESBL
  • KPC

Frage 9

Frage
Resistant bacterias witch are NOT enzymatic but have an altered target site
Antworten
  • MLSb
  • PRSP
  • MBL
  • MRSA
  • VRE

Frage 10

Frage
MRSA ? [blank_start]methicillin[blank_end] [blank_start]resistant[blank_end] [blank_start]staphylococcus[blank_end] [blank_start]aureus[blank_end] resistant against all beta-lactams and inhibitors, excluding 5th generation of cephalosporins
Antworten
  • methicillin
  • resistant
  • staphylococcus
  • aureus

Frage 11

Frage
Which Bacteria are resistant against Beta Lactams
Antworten
  • MBL - Metallobetalactamases
  • KPC - Klebisella pneumonia carbapanemase / CPE - Carbapanemase producing Enterobacteriaceae
  • MRSA (with exception to 5th gen cephalosporin)
  • Mycoplasma and Chlamydia
  • Chlamydia + VRE - Vancomyocinr resistant enterococcus

Frage 12

Frage
Which of the following phenotypes relate to the enzyme production
Antworten
  • VRE
  • ESBL - positive
  • HLAR
  • PRSP
  • MBL - positive
  • NDM - positive

Frage 13

Frage
Which of the following phenotypes relate to the enzyme production
Antworten
  • VRE
  • ESBL
  • HLAR
  • PRSP
  • MBL
  • Ch-

Frage 14

Frage
[blank_start]PRSP[blank_end]: Resistant to narrow penicillin & possibly 3rd gen cephalosporin
Antworten
  • PRSP
  • MRSA
  • HLAR

Frage 15

Frage
Which Bacteria are resistant to narrow penicillin
Antworten
  • a) E.coli
  • b) PRSP
  • c) MRSA
  • d) b+c
  • e) All of the mentionend

Frage 16

Frage
Which of the following may become resistent (aquired) to tigecycline 1) E.coli 2) P.aeruginosa 3) Acinetobacter baumannii 4) proteus mirabilis 5) K. pneumoniae
Antworten
  • a) 1,2,3,5
  • b) 1,3,5
  • c) 2,3
  • d) 3,4
  • e) 4,5

Frage 17

Frage
Modification of an existing PBP´s through recombination indicates
Antworten
  • a) MRSA
  • b) VRE
  • c) NDM+
  • d) PRSP
  • e) PRSA

Frage 18

Frage
Which phenotype refers to MSSA
Antworten
  • a) resistant to all beta-lactams excluding Vth generation of cephalosporin
  • b) resistant to all beta lactams including Vth generation of cephalosporin
  • c) resistant to methicillin, susceptible to oxacillin and carbapenems
  • d) susceptible to all beta lactams, excluding narrow spectrum penicillins
  • e) susceptible to all beta lactams including narrow spectrum penicillins

Frage 19

Frage
Which of the drugs are pumped out by efflux
Antworten
  • a) Tetrayclines
  • b) Vancomycin
  • c) Tigecycline
  • d) a+c
  • e) all of the mentionend

Frage 20

Frage
Choose correct Statement
Antworten
  • The class C beta-lactamases are primarily cephalosporinases and are encoded on bacterial chromosomes
  • Class B carbapenemases are i.A. New Delhi metallo-beta-lactamases
  • Colistin binds to the membrane instead of penetrating it
  • Tigecycline may be affected by efflux or enzymatic modification
  • Active efflux of gentamycin is commonly observed in Bacteroides fragilis

Frage 21

Frage
Which of the following phenotypes relate to the enzyme production: 1. VRE 2. ESBL-positive 3. HLAR 4. PRSP 5. MBL-positive 6. NDM-positive
Antworten
  • a) 1,2,3,5
  • b) 2,4
  • c) 2,5
  • d) Only 4
  • e) 2,3,5,6

Frage 22

Frage
What is an “intrinsic resistance” [blank_start]Natural resistance[blank_end] definition they want us to write: Bacteria is born with such a resistance, “comes into the world”
Antworten
  • Natural resistance

Frage 23

Frage
Explain the abbreviation “NDM”: [blank_start]New Delhi[blank_end] [blank_start]Metallo-beta lactamase[blank_end]
Antworten
  • New Delhi
  • Metallo-beta lactamase

Frage 24

Frage
Resistance to this drug results from [blank_start]acetyltransferase[blank_end] which catalyzes its acetylation. This characteristic indicates: Chloramphenicol
Antworten
  • acetyltransferase

Frage 25

Frage
Class B ß-Lactamases:
Antworten
  • a.) Are Zinc dependent Metalloenzymes
  • b.) Have Broad spectrum of action
  • c.) SHV-1 and TEM-1 are Major examples
  • d.) a+b
  • e.) None of the above

Frage 26

Frage
Tetracycline resistance develops with which of the following mechanisms?
Antworten
  • a) Decreased penetration into the bacterial cell
  • b) Active efflux of the drug
  • c) Alteration of the ribosomal target site
  • d) a+c
  • e) all of the above

Frage 27

Frage
Natural resistance is observed in:
Antworten
  • a) Pediococcus, Leuconostonc, Erysipelothrix, Lactobacillus
  • b) E.Coli, Klebsilla
  • c) Staphylococci
  • d) a+b
  • e) none of the above

Frage 28

Frage
Pseudomonoas aeruginosa is intrinsically resistant to:
Antworten
  • a) Tigecycline
  • b) Tobramycin
  • c) Meropenem
  • d) Ceftazidime
  • e) Sulphonamides
  • f) d+e

Frage 29

Frage
Resistance through enzymatic modification of the drug is observed in:
Antworten
  • a. Clindamycin – Str. Pyogenes
  • b. ß-Lactams – chlamydia
  • c. E. coli – glycopeptides
  • d. Isoniazid – mycobacteria
  • e. None of the above

Frage 30

Frage
Strict anaerobic bacteria have an intrinsic resistance to:
Antworten
  • d. Clindamycin
  • e. None of the above
  • c. Metronidazole
  • b. Ampicillin
  • a. Gentamicin

Frage 31

Frage
Which of the following phenotypes (resistance) matches the description for MRSA
Antworten
  • a. Penicillin G, ureidopenicillin, imipenem, vancomycin – susceptible
  • b. Vancomycin, imipenem – susceptible; penicillin, 1st and 2nd Generation cephalosporins – resistant
  • c. Vancomycin – susceptible; penicillin, Cephalosporin, carbapenem – resistant d. Penicillin – susceptible; vancomycin, carbapenem, cephalosporin – resistant
  • d) a+b
  • e) none

Frage 32

Frage
Partial modification of a PBP through recombination in:
Antworten
  • e. All of the above
  • d. Klebsiella pneumoniae
  • c. MRSA-acquisition of new pbp
  • b. Streptococcus pneumoniae
  • a. Escherichia Coli

Frage 33

Frage
Which of the following haven an aquired resistance to ß-Lactams
Antworten
  • a) MRSA
  • b) PRSP
  • c) ESBL
  • d) a+b
  • e) All of the above

Frage 34

Frage
Strict anaerobic bacteria are resistant to:
Antworten
  • a) Gentamicin
  • b) Penicillin
  • c) Metronidazole

Frage 35

Frage
Which of the following resistance phenotypes are associated with PBP modification
Antworten
  • a) NDM
  • b) ESBL
  • c) PRSP
  • d) KPC
  • e) MRSA
  • f) c+e

Frage 36

Frage
Choose true Statement
Antworten
  • a) Efflux of aminoglycosides occurs rarely in gram negative bacteria
  • b) Penicillin G is inactivated with gastric acid
  • c) Gram negative bacteria rapidly develop resistance against beta lactams by production
  • d) all of the above

Frage 37

Frage
Intrinsic Resistance to sulphonamides
Antworten
  • a) Pseudomonas aeruginosa
  • b) Nocardia
  • c) Chlamydia
  • d) B+c

Frage 38

Frage
HLAR - [blank_start]high level[blank_end] [blank_start]aminoglycoside[blank_end] [blank_start]resistance[blank_end]
Antworten
  • high level
  • aminoglycoside
  • resistance

Frage 39

Frage
MRSA - [blank_start]methicillin[blank_end] [blank_start]resistant[blank_end] [blank_start]staphylococcus[blank_end] [blank_start]aureus[blank_end]
Antworten
  • methicillin
  • resistant
  • staphylococcus
  • aureus

Frage 40

Frage
Choose true combination of drugs resistance against
Antworten
  • a) Rifampin – rna polymerase
  • b) Levofloxacin – mosaic PBP
  • c) Erythromycin – enzyme modification
  • d) Penicillin G- enzyme modification
  • e) a+c+d

Frage 41

Frage
Resistance to this drug with protein production similar to elongation factor that protects 30S ribosomal subunit indicates the resistance to?
Antworten
  • a) Penicillin
  • b) Azithromycin
  • c) Tetracyclines
  • d) Rifampin

Frage 42

Frage
Acquired resistance to penicillin G is observed in
Antworten
  • a) Streptococcus pyogenes
  • b) E.coli
  • c) Streptococcus pneumonia
  • d) a+c

Frage 43

Frage
Give two examples of mechanisms of resistance with change of target site?
Antworten
  • PRSP
  • MRSA

Frage 44

Frage
Give 2 groups of drugs that are elimanted by efflux group
Antworten
  • Quinolones
  • Tetracycline

Frage 45

Frage
Resistance to aminoglycosides
Antworten
  • Decreased permeability
  • Enzymatic modification

Frage 46

Frage
Erythomyocin is not active against K.Pneumoniae
Antworten
  • True
  • False

Frage 47

Frage
Which of the following resistant phenotypes are associated with aminoglycosides modyfying enzyme production HLAR
Antworten
  • True
  • False

Frage 48

Frage
Choose True sentence
Antworten
  • a) Bacteria can become resistant to β-lactam antibiotics hydrolysis of the antibiotic by bacterial enzymes
  • b) Exclusion of B-lactamases in treatment of infection caused by non fermented process also due to decreased permeability of membrane
  • c) Enterobacteriaceae develop resistance to cephalosporins also due to the enzymes production
  • d) a+c

Frage 49

Frage
Intrinsic resistance to Linezolid - Escheria
Antworten
  • True
  • False

Frage 50

Frage
Resistance to Metronidauole due to
Antworten
  • Rescreased uptake of antibiotic
  • Elimination of cytotoxic compound before they reach DNA

Frage 51

Frage
Intrinsic resistance to Penicillin G - S pyogenes - Chlamydia
Antworten
  • True
  • False

Frage 52

Frage
Pumped out by efflux pump
Antworten
  • Tetracyclines
  • Aminoglycosides

Frage 53

Frage
Which phenotype refers to MRSA?
Antworten
  • a.) resistant to all beta lactams including vth generations of cephalosporins
  • b.) resistant to all beta lactams excluding vth generations of cephalosporins
  • c.) resistant to methicillin,susceptible to oxacillin and carbapenem
  • d.) resistant to beta lactams,resistant to vancomycin,susceptible to monobactams
  • e.) none of the mentioned

Frage 54

Frage
Enterococcus gallinarum and casseliflavus are instrinctly resistant
Antworten
  • e)all mentioned
  • d.) a+c
  • c.) vancomycin contain D-alanine-D-serine terminus
  • b.)Linezolid
  • a.) Tigecycline

Frage 55

Frage
Correct Examples
Antworten
  • A class beta- lactamase = SHV-1 penicillinases found in common gram negative rods (and TEM-1)
  • B class beta - lactamase= New Delhi metallo-ß-lactamases

Frage 56

Frage
Which of the following may become resistant (acquired resistant) to macrolides
Antworten
  • S.pyogenes
  • K.pneumoniae
  • S.aureus
  • Acinetobacter baumannii
  • P.aeruginosa
  • E.coli

Frage 57

Frage
Resistance to Aminoglycosides may result from:-
Antworten
  • e.)all mentioned
  • d.)a+c
  • c.)increased expulsion of drug from cell
  • d.)decrease uptake of drug
  • a.)mutation of ribosomal target site

Frage 58

Frage
Resistance to this drug results from acetyltransferase which catalyse to acetylation:-this characteristics indicate
Antworten
  • e.)chloramphenicol
  • d.)imipenem
  • c.)penicillin G
  • b.)ceftriaxone
  • a.)Sulfamethoxazol

Frage 59

Frage
Intrinsic resistance to tigecyycline is observed in
Antworten
  • a) Morganella
  • b) Providencia Proteus and P aeruginosa
  • c) Pseudomonas
  • d) b+c
  • e) all mentioned

Frage 60

Frage
Which of the following is/are enzyme producers: 1.S.pyogenes 2.ESBL + 3.HLAR + 4.PRSP 5.MBL + 6.chlamydia trachomatis
Antworten
  • 1,2,3,5
  • 2,5
  • 2,3,5
  • only 4
  • 2,3,5,6

Frage 61

Frage
Becomes resistant to aztreonam
Antworten
  • e. faecalis
  • p.aeruginosa
  • acinobacter baumanii
  • s.aureus
  • s epidermidis
  • s pygones

Frage 62

Frage
1. Complete information regarding the 3 ways how bacteria can become resistant to beta-lactam antibiotics:
Antworten
  • Decreased concentration of antibiotic at the cell wall from target site
  • Decreased binding of antibiotic to the PBP
  • Enzymatic modification
  • All
  • None

Frage 63

Frage
a. ESBL - [blank_start]Extended[blank_end] [blank_start]spectrum[blank_end] [blank_start]beta lactamase[blank_end] b. VRE - [blank_start]Vancomycin[blank_end] [blank_start]resistant[blank_end] [blank_start]enterococci[blank_end] c. KPC - [blank_start]Klebsiella[blank_end] [blank_start]Pneumoniae[blank_end] [blank_start]Carbapenemase[blank_end]
Antworten
  • Extended
  • spectrum
  • beta lactamase
  • Vancomycin
  • resistant
  • enterococci
  • Klebsiella
  • Pneumoniae
  • Carbapenemase

Frage 64

Frage
5. Which of the following resistance mechanism phenotypes stem from the enzymatic modification of the drug:
Antworten
  • a. PRSA
  • b. VRE
  • c. HLAR
  • d. MBL
  • e. a+c+d

Frage 65

Frage
7. Which of the following phenotype refers to MBL + P.aeruginosa:
Antworten
  • a. Susceptible to carbapenems, resistant to beta lactams and its combinations with inhibitors
  • b. resistant to all beta lactams with exclusion of its combination with inhibitors
  • c. resistant to all beta lactams with possible exception of aztreonam
  • d. resistant to all beta lactams with possible exception of monobactams
  • e. c+d

Frage 66

Frage
a. A class beta lactamases: [blank_start]KPC, SHV-1, TEM-1[blank_end] b. B class beta lactamases: [blank_start]MBL, NDM, VIM[blank_end]
Antworten
  • KPC, SHV-1, TEM-1
  • MBL, NDM, VIM

Frage 67

Frage
Which of the following may become resistant to Rifampin?
Antworten
  • E.Coli
  • P. Aeruginosa
  • Acinebacter Baumanii
  • S. Auereus
  • S. Pneumonia
  • M. Tuberculosis

Frage 68

Frage
10. which of the following may become resistant (acquire resistance) to rifampin: (1) E.coli (2) P. aeurigonase (3) acinetobacter baumanii (4) S .aureus (5) K .pneumonia (6) M. tuberculosis
Antworten
  • 1,2,3,5,6
  • 4,3,5
  • 4,5,6
  • 2,3
  • 4,6

Frage 69

Frage
Choose Correct Statement
Antworten
  • 1. Resistance to amikacin can stem from decreased uptake of drug into bacterial cell
  • 2. Bacteroides fragilis is intrinsically resistant to metronidazole
  • 3. Most of gram (+) bacteria is resistant to macrolides

Frage 70

Frage
Which of the follwoing resistance phenotypes refers to MBL P+Aeruginosa
Antworten
  • 1. Susceptible to carbapenems, resistant to B-lactams and its combinations
  • 2. Resistant to all B-lactams, with exclusion of its combination with inhibitors
  • 3. Resistant to all B-lactams, with possible exception of azteonem
  • 4. Resistant to all B-lactams, with possible exception of macrolides

Frage 71

Frage
Complete information regarding the ways how bacteria can become resistant to aminoglycosides:
Antworten
  • Target site modification
  • Decreased membrane permeability
  • Active efflux
  • : Enzymatic inactivation of antimicrobial agent

Frage 72

Frage
Choose Correct Statement
Antworten
  • a/ Pseudomonas aeruginosa is intrinsically resistant to trimethoprim.
  • b/ Overexpression of efflux pumps determines the resistance to ciprofloxacin
  • c/ Polymyxins are not effective against Gram-positive bacteria due to the lack of outer membrane in these.

Frage 73

Frage
Explain the abbreviations: PRSP: [blank_start]Penicillin resistant[blank_end] [blank_start]streptococcus pneumoniae[blank_end] HLAR: [blank_start]High level[blank_end] [blank_start]aminoglycoside[blank_end] [blank_start]resistance[blank_end] NDM: [blank_start]New delhi[blank_end] [blank_start]metallo-beta-lactamase[blank_end]
Antworten
  • Penicillin resistant
  • streptococcus pneumoniae
  • High level
  • aminoglycoside
  • resistance
  • New delhi
  • metallo-beta-lactamase

Frage 74

Frage
Intrinsic resistance to glycopeptides is observed in:
Antworten
  • a/ Lactobacillus
  • b/ Streptococcus pneumoniae
  • c/Enterococci
  • d/ E coli
  • e/ a+d

Frage 75

Frage
Which of the following resistance phenotype refers to MRSA:
Antworten
  • a/ Resistant to beta-lactams with possible exception of its combinations with inhibitors.
  • b/ Resistant to all beta-lactams, susceptible to Vth generation of cephalosporins
  • c/ Resistant to narrow spectrum penicillins, resistant to macrolides and lincosamides.
  • d/ Resistant to all beta-lactams, with possible exception of monobactams.
  • e/ c+d

Frage 76

Frage
Resistance to gentamicin in Bacteroides fragilis is due to...[blank_start].lack of aerobic metabolism[blank_end]
Antworten
  • .lack of aerobic metabolism

Frage 77

Frage
Which of the following may become resistant (acquire resistance) to tigecycline:
Antworten
  • 1. Proteus mirabilis
  • 2. P. aeruginosa
  • 3. Morganella morganii
  • 4. E. faecalis
  • 5. K. pneumoniae
  • 6. Providencia retgerii
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