Micrococcaceae

Descripción

All about Gram Positive Cocci
Katie Koontz
Test por Katie Koontz, actualizado hace más de 1 año
Katie Koontz
Creado por Katie Koontz hace más de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
Ingredients in Mannitol Salt Agar
Respuesta
  • Salt, mannitol, phenol red
  • Salt, mannitol, lysostaphin, red coloring
  • Mannitol, sheep blood, lysostaphin, red enzymes

Pregunta 2

Pregunta
Micrococcaceae is not ubiquitous
Respuesta
  • True
  • False

Pregunta 3

Pregunta
[blank_start]Staphylococcus aureus[blank_end] are the most common causes of osteomyelitis and acute bacterial endocarditis
Respuesta
  • Staphylococcus aureus
  • Micrococcus
  • Staphylococcus saprophyticus
  • CNS

Pregunta 4

Pregunta
[blank_start]Staphylococcus saprophyticus[blank_end] is a common cause of urinary tract infection in young females
Respuesta
  • Staphylococcus saprophyticus
  • Micrococcus
  • S. auerus
  • CNS

Pregunta 5

Pregunta
Common infections of [blank_start]CNS[blank_end] include, UTI, bacterial endocarditis, infection of prosthetic joints, septicemiain immunosuppressed patients, wound infections and peritonitis.
Respuesta
  • CNS
  • S. saprophyticus
  • S. aureaus
  • Micrococcus

Pregunta 6

Pregunta
[blank_start]food poisoning[blank_end] is due to ingestion of of pre-formed enterotoxin in food- microorganisms do not have to be present
Respuesta
  • food poisoning
  • food infection
  • CNS
  • Micrococcus

Pregunta 7

Pregunta
Which Micrococcaceae is catalase negative?
Respuesta
  • Micrococcus
  • Stomatococcus
  • Planococcus
  • Staphylococcus

Pregunta 8

Pregunta
A staphaurex with a clear background a white speckles is what?
Respuesta
  • positive
  • negative

Pregunta 9

Pregunta
An organism grows on a mannitol salt agar plate and is pink. What can be said about this organism?
Respuesta
  • Salt +, Mannitol -
  • Salt +, Mannitol +
  • Salt -, Mannitol +
  • Salt -. Mannitol -

Pregunta 10

Pregunta
how would you interpret a bacitracin test if the organism measures at 16mm
Respuesta
  • resistant
  • senstitive/susceptible

Pregunta 11

Pregunta
Should staphylococcal food poisoning be treated with antibiotics?
Respuesta
  • Yes
  • No

Pregunta 12

Pregunta
What can be said about an organism that grows on a mannitol salt agar plate and is yellow
Respuesta
  • salt -, mannitol +
  • salt +, mannitol -
  • salt -, manntol -
  • salt +, mannitol +

Pregunta 13

Pregunta
negative slide coagulase tests need to be backed up with a tube test
Respuesta
  • True
  • False

Pregunta 14

Pregunta
If coagulase tube test clots up and becomes a jelly like substance what is it?
Respuesta
  • positive
  • negative

Pregunta 15

Pregunta
S. aureas commonly produces beta lactamase and renders penicillin useless
Respuesta
  • agree
  • disagree

Pregunta 16

Pregunta
virulence factors for s. aureus include all of the following EXCEPT:
Respuesta
  • Coagulase
  • Protein A
  • Exotoxin
  • Toxic Shock Toxin

Pregunta 17

Pregunta
Which test is used to differentiate between Staph's and Strep's?
Respuesta
  • catalse
  • coagulase
  • staphaurex

Pregunta 18

Pregunta
What common contaminant is isolated from blood cultures?
Respuesta
  • S. aureus
  • Coag Neg Staph
  • micrococcus sp
  • s. saprophyticus

Pregunta 19

Pregunta
Superficial 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
Respuesta
  • Impetigo
  • Erysipelas
  • Osteomalitis
  • Septic Arthritis

Pregunta 20

Pregunta
Skin 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
Respuesta
  • Impetigo
  • Erysipelas
  • Septic Arthritis
  • Osteomyelitis

Pregunta 21

Pregunta
An infection in a bone. Infections can reach a bone by traveling through the bloodstream or spreading from nearby tissue
Respuesta
  • Osteomyelitis
  • Acute Bacterial Endocarditis
  • Impetigo
  • Erysipelas

Pregunta 22

Pregunta
S.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
Respuesta
  • yellow
  • white
  • gray
  • offwhite
  • creamy
  • chalky
  • sticky
  • dull
  • beta
  • gamma
  • alpha

Pregunta 23

Pregunta
Mrsa is slide coagulase neg or pos
Respuesta
  • negative
  • positive

Pregunta 24

Pregunta
CNS 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
Respuesta
  • offwhite
  • yellow
  • green
  • denim blue
  • smooth
  • sticky
  • dull
  • chalky

Pregunta 25

Pregunta
S. Sapticus colony morphology. often pigmented [blank_start]yellow[blank_end], opaque, [blank_start]sticky[blank_end], gummy, [blank_start]non-hemolytic[blank_end]
Respuesta
  • yellow
  • white
  • off-white
  • gray
  • green
  • sticky
  • creamy
  • chalky
  • dull
  • non-hemolytic
  • beta
  • alpha

Pregunta 26

Pregunta
Stomatococcus mucilaginosus colony morphology: [blank_start]small[blank_end], domed, adherent, [blank_start]gray-brown[blank_end], tough, [blank_start]stringy[blank_end]
Respuesta
  • small
  • medium
  • large
  • pinpoint
  • gray-brown
  • white
  • off-white
  • yellow
  • stringy
  • creamy
  • wet
  • chalky
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