Quiz
Microbiology I
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Questions in this quiz (72)
1Gram-positive cocci:
- AStaphylococcus
- BClostridium
- CBacillus
- DStreptococcus
- ENeisseria
2Catalase-positive organisms
- AS. pyogenes
- BS. aureus
- CE. coli
- DC. tetani
- ES. epidermidis
3Honeymoon cystitis is caused by [blank_start]S. saprophyticus[blank_end]
- AS. saprophyticus
4[blank_start]S. aureus[blank_end] is the most common cause of osteomyelitis in patients without sickle-cell disease
- AS. aureus
5Ferments mannitol on mannitol-salt agar
- AS.mutans
- BS.agalactiae
- CS.aureus
- DS.pneumoniae
- EC.difficile
6Which of the following meals are most likely to be contaminated with S.aureus?
- APastry with cream
- BWater
- CPotato salad
- DCanned goods
- EFried rice
7Risk factors of S.aureus infection
- APost-operation state
- BBruton's agammaglobulinemia
- CHeroin addiction
- DPermanent use of tampons/plugs etc.
- ESickle-cell disease
- FCystic fibrosis
- GChronic granulematous disease
- HAIDS
8S.aureus can cause
- AGastroenteritis
- BVentilator-associated pneumonia
- CScarlet fever
- DTetanus
- EAcute infective endocarditis
- FMyocarditis
- GOsteomyelitis
- HSpleen abscess
- IScalded skin syndrome
- JGlomerulonephritis
9DOC for MRSA infections is [blank_start]vancomycin[blank_end]
- Avancomycin
10DOC for VRSA/VISA infections is [blank_start]dalfopristin[blank_end]
- Adalfopristin
11Streptococci are catalase-[blank_start]negative[blank_end]
- Anegative
12S. pneumoniae is serotyped via
- AM protein
- Bcapsule
- CO antigen
- DH antigen
- Ealpha toxin
13S. pyogenes is serotyped via
- AM protein
- Bcapsule
- CO antigen
- DH antigen
- Epeptidoglycan
14S. epidermidis can be differentiated from S. saprophyticus by using
- Aoptochin
- Bbacitracin
- Cnovobiocin
15To differentiate S. pyogenes from other streps we can use
- Abacitracin
- Boptochin
- Cnovobiocin
16Which reactive is used to differentiate S. pneumonia from other alpha-hemolytic streps?
- Aoptochin
- Bbacitracin
- Cnovobiocin
17Alpha-hemolytic streps
- AS. pyogenes
- BS. pneumoniae
- CViridans species
- DS. agalactiae
18Beta-hemolytic streps
- AViridans species
- BS. agalactiae
- CS. pneumoniae
- DS. pyogenes
19Which of toxins is phage-coded?
- Astreptolysin O
- Bstreptolysin S
- CM-protein
- Derythrogenic toxin
- Estreptokinase
20S. pyogenes can cause [blank_start]pharyngitis[blank_end] and [blank_start]scarlet fever[blank_end]
- Ascarlet fever
- Bpharyngitis
21ABs used for treatment of scarlet fever
- Abeta lactams
- Bvancomycin
- Cmacrolides
- Drifampin
- Eaminoglycosides
22PYR positive Streptococcus
- AS. pyogenes
- BS. agalactiae
- CS. pneumoniae
- DEnterococcus spp.
- EViridans Streptococcus
23CAMP test is positive in case of
- AS. agalactiae
- BL. monocytogenes
- CC. perfringens
- DS. pneumoniae
- ES. pyogenes
24Predisposing factors for S. pneumoniae infection
- ACOPD
- Brecent flu
- Calcoholism
- Dheroine addiction
- Erecent scarlet fever
- FNeisseria infection
- GCHF
25Pneumolysin O
- Ainhibits leukocyte respiratory burst
- Binhibits classic complement activation
- Cprevent fusion of phagosome with lysosome
- Ddamages respiratory epithelium
- Eincreases cAMP formation in respiratory epithelium
26The most common cause of adult meningitis
- AS. agalactiae
- BE. coli
- CS. pneumoniae
- DN. meningitidis
- EL. monocytogenes
27The most common cause of infant meningitis
- AN. meningitidis
- BS. agalactiae
- CS. pneumoniae
- DS. aureus
- EE. coli
28The most common case of typical pneumonia
- AS. aureus
- BP. aureginosa
- CS. pneumoniae
- DS. pyogenes
- EL. pneumophila
29The most common cause of otitis media and sinusitis in children
- AS. pyogenes
- BS. pneumoniae
- CS. agalactiae
- DS. aureus
- EM. catarrhalis
30Treatment of adult meningitis caused by S. pneumoniae
- Aceftriaxone
- Bvancomycin
- Cstreptomycin
- Derythromycin
- Edoxycycline
31Pediatric pneumococcal conjugate vaccine cosists of ... capsular serotypes
- A13
- B15
- C23
- D25
- E50
32The most common causes of infective endocarditis
- AS. aureus
- BS. sanguis
- CE. faecalis
- DS. pneumoniae
- EP. aureginosa
- FB. cereus
- GC. tetani
33In which patients is important to use antibiotics before dental work?
- Awith damaged heart valves
- Bwith alcohol addiction
- Cwith IV drug abuse
- Dwith COPD
- Ewith GI distress
34Bile esculin agar turns black in growth of
- AEnterococcus spp.
- BS. aureus
- CS. agalactiae
- DS. pyogenes
- ES. pneumoniae
35It's necessary to use penicillin in patients with damaged heart valves before
- Aurinary tract surgery
- BGI tract surgery
- Cdental works
- Dtraumatologic manipulations
- Elabors
36Gram-positive, spore -forming organisms
- ABacillus spp.
- BClostridium spp.
- CMycobacterium spp.
- DNocardia spp.
- ELysteria spp.
37[blank_start]B. anthracis[blank_end] has a polypeptide capsule.
- AB. anthracis
38Anthrax toxin contains
- Aprotective antigen
- Blethal toxin
- Cedema toxin
- Dalpha toxin
- Ecapsule toxin
39Reservoir of B. anthracis
- Asoil
- Binfected animals
- Cinfected humans
- Dfried rice
- Eskins
40Types of anthrax
- Acutaneous
- Bpulmonary
- Cgastrointestinal
- Dcardiac
- Erenal
41Mediastinal hemorrhagic lymphadenitis is pathognomonic for
- Atuberculosis
- Bpulmonary anthrax
- Cstreptococcal pneumonia
- Dstaphylococcal pneumonia
- Epneumonia caused by H. influenzae
42Manifestations of cutaneous anthrax
- Apapules, vesicles
- Beschar
- Cswelling
- Dchancroid
- Etrue chancre
43treatment of anthrax
- Aciprofloxacin
- Bdoxycycline
- Cceftriaxone
- Dpenicillin G
- Emeropenem
- Fmetronidazole
44B. cereus is associated with
- Afried rice
- Bfried potatoes
- Ccanned meat
- Dpotato salad
- Ecreamy pastries
45Toxins of B. cereus
- Aemetic toxin
- Bdiarrheal toxin
- Clethal toxin
- Dedema toxin
- Eenterotoxin
46Tetanospasmin blocks release of
- AGABA
- Bglycine
- Cglutamate
- Dacetylcholine
- Eserotonine
47If the wound is linear, without major contaminants and necrotic tissue, and the last booster was more than 10 years ago, it's necessary to use
- Avaccine
- Btetanus immunoglobulin
48If the wound is not linear (bite, burns etc.), with contaminants as dirt, saliva, and necrotic tissue, and the last booster was more than 10 years ago, it's necessary to use
- Avaccine
- Btetanus immunoglobulin
49Botulinum toxin blocks release of
- AGABA
- Bglycine
- Cacetylcholine
- Dglutamate
- Eserotonin
50Flaccid paralysis is caused by
- Abotulinum toxin
- Btetanus toxin
51Extreme muscle spasms, opisthotonus ans risus sardonicus can be seen in patients with
- Atetanus
- Bbotulism
52Transmission of botulinum toxin
- Apoorly canned meat
- Bsmoked fish
- Choney
- Dpotato salad
- Efried rice
- Fwound contamination
53[blank_start]Nagler reaction[blank_end] is used to identify C. perfringens alpha-toxin
- ANagler reaction
54Risk factors for C. perfringens food poisoning
- Areheated meat dishes
- Bcanned meat
- Cproducts with cream
55A man is brought to the ER with high fever, acute pain in his right leg. Objectively: profound wound with a wide zone of necrosis, oedematous, crackle. What is the MOA of toxin produced by the bacterium which causes this condition?
- Alecithinase - disrupt plasma membranes
- Bneurotoxin - inhibits release of ACh
- Ctoxin with adenylyl cyclase activity
- Dtoxin which ribosilates RNA
56A man is brought to the ER with high fever, acute pain in his right leg. Objectively: profound wound with a wide zone of necrosis, oedematous, crackle. What is the most effective treatment of this condition?
- Ahyperbaric chamber
- Bhuman immunoglobulin
- Cantibiotics
- Dvaccination
57Toxin A of C. difficile
- Aenterotoxin
- Bneurotoxin
- Cincreases cAMP
- Dstops protein synthesis
- Ecytotoxin
- Fgranulocyte attractant
58Toxin B of C. difficile
- Aenterotoxin
- Bneurotoxin
- Cgranulocyte attractant
- Dcytotoxin
- Eincreases cAMP formation
59C. difficile can cause
- Aantibiotic-associated diarrhea
- Bgas gangrene
- Cgastroenteritis
- Dinfective endocarditis
60Treatment of pseudomembranous colitis
- Ametronidazole
- Bclindamycin
- Ccephalosporins
- Damoxicillin
- Eampicillin
61Predisposing factors for pseudomembranous colitis
- Apatients on antibiotics
- Bpatients with COPD
- Calcoholics
- Dpatients with heroine addiction
- Epatients with chronic colitis
62On blood agar Listeria forms colonies with
- Aalpha hemolysis
- Bbeta hemolysis
- Cno hemolysis
63L. monocytogenes for growth requires
- Acold temperature
- Bwarm temperature
- Cnormal temperature
64Reservoirs of L. monocytogenes
- Aunpasteurized milk products
- Bdeli meats
- Cpotato salad
- Dreheated meat dishes
- Ehoney
65L. monocytogenes is a facultative intracellular parasite due to its ability to
- Arapidly egress from phagosome into cytoplasm
- Bstop the fusion of phagosome with lysosome
66Peaks of listeriosis occur in
- Asummer
- Bwinter
- Cautumn
- Dspring
67Predisposing factors for symptomatic lysteriosis
- Apregnancy
- BAIDS
- Cprimary immunodeficiencies
- Dalcoholism
- EIV drug abuse
68L. monocytogenes can cross the placental barrier, thus it can cause
- Agranulomatosis infantisepticum
- Bmeningitis in infants
- Cpneumonia
- Dotitis media
- Eenterocolitis
69The most common case of meningitis in renal transplant or cancer patients
- AL. monocytogenes
- BS. pneumoniae
- CN. meningitidis
- DS. agalactiae
- ES. aureus
70Third most common cause of neonatal septicemia and meningitis
- AL. monocytogenes
- BS. agalactiae
- CS. pneumoniae
- DN. meningitidis
71Treatment of lysteriosis
- Aampicillin+gentamicin
- Bampicillin+erythromycin
- Cpenicillin+gentamicin
- Dpenicillin+streptomycin
- Edoxycycline+gentamicin
72[blank_start]S. agalactiae[blank_end] is the most common cause of meningitis in newborns
- AS. agalactiae
Information
- Description
- Normal flora, Gram positive bacteria
- Author
- mckerko
- Language
- English
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