Quiz
Micrococcaceae
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Questions in this quiz (26)
1Ingredients in Mannitol Salt Agar
- ASalt, mannitol, phenol red
- BSalt, mannitol, lysostaphin, red coloring
- CMannitol, sheep blood, lysostaphin, red enzymes
2Micrococcaceae is not ubiquitous
- ATrue
- BFalse
3[blank_start]Staphylococcus aureus[blank_end] are the most common causes of osteomyelitis and acute bacterial endocarditis
- AStaphylococcus aureus
- BMicrococcus
- CStaphylococcus saprophyticus
- DCNS
4[blank_start]Staphylococcus saprophyticus[blank_end] is a common cause of urinary tract infection in young females
- AStaphylococcus saprophyticus
- BMicrococcus
- CS. auerus
- DCNS
5Common infections of [blank_start]CNS[blank_end] include, UTI, bacterial endocarditis, infection of prosthetic joints, septicemiain immunosuppressed patients, wound infections and peritonitis.
- ACNS
- BS. saprophyticus
- CS. aureaus
- DMicrococcus
6[blank_start]food poisoning[blank_end] is due to ingestion of of pre-formed enterotoxin in food- microorganisms do not have to be present
- Afood poisoning
- Bfood infection
- CCNS
- DMicrococcus
7Which Micrococcaceae is catalase negative?
- AMicrococcus
- BStomatococcus
- CPlanococcus
- DStaphylococcus
8A staphaurex with a clear background a white speckles is what?
- Apositive
- Bnegative
9An organism grows on a mannitol salt agar plate and is pink. What can be said about this organism?
- ASalt +, Mannitol -
- BSalt +, Mannitol +
- CSalt -, Mannitol +
- DSalt -. Mannitol -
10how would you interpret a bacitracin test if the organism measures at 16mm
- Aresistant
- Bsenstitive/susceptible
11Should staphylococcal food poisoning be treated with antibiotics?
- AYes
- BNo
12What can be said about an organism that grows on a mannitol salt agar plate and is yellow
- Asalt -, mannitol +
- Bsalt +, mannitol -
- Csalt -, manntol -
- Dsalt +, mannitol +
13negative slide coagulase tests need to be backed up with a tube test
- ATrue
- BFalse
14If coagulase tube test clots up and becomes a jelly like substance what is it?
- Apositive
- Bnegative
15S. aureas commonly produces beta lactamase and renders penicillin useless
- Aagree
- Bdisagree
16virulence factors for s. aureus include all of the following EXCEPT:
- ACoagulase
- BProtein A
- CExotoxin
- DToxic Shock Toxin
17Which test is used to differentiate between Staph's and Strep's?
- Acatalse
- Bcoagulase
- Cstaphaurex
18What common contaminant is isolated from blood cultures?
- AS. aureus
- BCoag Neg Staph
- Cmicrococcus sp
- Ds. saprophyticus
19Superficial skin infection usually involving the face or legs, begins as red macule which progresses to a vesicle which ruptures and forms a yellow, thick crust. May spread and form multiple lesions, more prevalent in the summer months
- AImpetigo
- BErysipelas
- COsteomalitis
- DSeptic Arthritis
20Skin infection which begins abruptly after an incubation period of about a week. Begins with the sensation of tightness and burning at site of invasion, followed quickly by a patch of erythema which rapidly extends outward; may form blisters which may rupture, leaving raw weeping areas
- AImpetigo
- BErysipelas
- CSeptic Arthritis
- DOsteomyelitis
21An infection in a bone. Infections can reach a bone by traveling through the bloodstream or spreading from nearby tissue
- AOsteomyelitis
- BAcute Bacterial Endocarditis
- CImpetigo
- DErysipelas
22S.Aureus Colony Morphology: Large, frequently [blank_start]yellow[blank_end], opaque, [blank_start]creamy[blank_end], smooth, shiny, domed, round. Often but not always [blank_start]beta[blank_end] hemolytic
- Ayellow
- Bwhite
- Cgray
- Doffwhite
- Ecreamy
- Fchalky
- Gsticky
- Hdull
- Ibeta
- Jgamma
- Kalpha
23Mrsa is slide coagulase neg or pos
- Anegative
- Bpositive
24CNS colony morphology- [blank_start]offwhite[blank_end], round, domed, [blank_start]smooth[blank_end], sometimes not as creamy as s.aureus, usually smaller colonies than s. aureus, usually non-hemolytic or beta
- Aoffwhite
- Byellow
- Cgreen
- Ddenim blue
- Esmooth
- Fsticky
- Gdull
- Hchalky
25S. Sapticus colony morphology. often pigmented [blank_start]yellow[blank_end], opaque, [blank_start]sticky[blank_end], gummy, [blank_start]non-hemolytic[blank_end]
- Ayellow
- Bwhite
- Coff-white
- Dgray
- Egreen
- Fsticky
- Gcreamy
- Hchalky
- Idull
- Jnon-hemolytic
- Kbeta
- Lalpha
26Stomatococcus mucilaginosus colony morphology: [blank_start]small[blank_end], domed, adherent, [blank_start]gray-brown[blank_end], tough, [blank_start]stringy[blank_end]
- Asmall
- Bmedium
- Clarge
- Dpinpoint
- Egray-brown
- Fwhite
- Goff-white
- Hyellow
- Istringy
- Jcreamy
- Kwet
- Lchalky
Information
- Description
- All about Gram Positive Cocci
- Author
- Katie Koontz
- Language
- English
- Views
- 168
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