Katie Koontz
Quiz by , created more than 1 year ago

All about Gram Positive Cocci

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Katie Koontz
Created by Katie Koontz over 7 years ago
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Micrococcaceae

Question 1 of 26

1

Ingredients in Mannitol Salt Agar

Select one of the following:

  • Salt, mannitol, phenol red

  • Salt, mannitol, lysostaphin, red coloring

  • Mannitol, sheep blood, lysostaphin, red enzymes

Explanation

Question 2 of 26

1

Micrococcaceae is not ubiquitous

Select one of the following:

  • True
  • False

Explanation

Question 3 of 26

1

Select from the dropdown list to complete the text.

( Staphylococcus aureus, Micrococcus, Staphylococcus saprophyticus, CNS ) are the most common causes of osteomyelitis and acute bacterial endocarditis

Explanation

Question 4 of 26

1

Select from the dropdown list to complete the text.

( Staphylococcus saprophyticus, Micrococcus, S. auerus, CNS ) is a common cause of urinary tract infection in young females

Explanation

Question 5 of 26

1

Select from the dropdown list to complete the text.

Common infections of ( CNS, S. saprophyticus, S. aureaus, Micrococcus ) include, UTI, bacterial endocarditis, infection of prosthetic joints, septicemiain immunosuppressed patients, wound infections and peritonitis.

Explanation

Question 6 of 26

1

Select from the dropdown list to complete the text.

( food poisoning, food infection, CNS, Micrococcus ) is due to ingestion of of pre-formed enterotoxin in food- microorganisms do not have to be present

Explanation

Question 7 of 26

1

Which Micrococcaceae is catalase negative?

Select one of the following:

  • Micrococcus

  • Stomatococcus

  • Planococcus

  • Staphylococcus

Explanation

Question 8 of 26

1

A staphaurex with a clear background a white speckles is what?

Select one of the following:

  • positive

  • negative

Explanation

Question 9 of 26

1

An organism grows on a mannitol salt agar plate and is pink. What can be said about this organism?

Select one of the following:

  • Salt +, Mannitol -

  • Salt +, Mannitol +

  • Salt -, Mannitol +

  • Salt -. Mannitol -

Explanation

Question 10 of 26

1

how would you interpret a bacitracin test if the organism measures at 16mm

Select one of the following:

  • resistant

  • senstitive/susceptible

Explanation

Question 11 of 26

1

Should staphylococcal food poisoning be treated with antibiotics?

Select one of the following:

  • Yes

  • No

Explanation

Question 12 of 26

1

What can be said about an organism that grows on a mannitol salt agar plate and is yellow

Select one of the following:

  • salt -, mannitol +

  • salt +, mannitol -

  • salt -, manntol -

  • salt +, mannitol +

Explanation

Question 13 of 26

1

negative slide coagulase tests need to be backed up with a tube test

Select one of the following:

  • True
  • False

Explanation

Question 14 of 26

1

If coagulase tube test clots up and becomes a jelly like substance what is it?

Select one of the following:

  • positive

  • negative

Explanation

Question 15 of 26

1

S. aureas commonly produces beta lactamase and renders penicillin useless

Select one of the following:

  • agree

  • disagree

Explanation

Question 16 of 26

1

virulence factors for s. aureus include all of the following EXCEPT:

Select one of the following:

  • Coagulase

  • Protein A

  • Exotoxin

  • Toxic Shock Toxin

Explanation

Question 17 of 26

1

Which test is used to differentiate between Staph's and Strep's?

Select one of the following:

  • catalse

  • coagulase

  • staphaurex

Explanation

Question 18 of 26

1

What common contaminant is isolated from blood cultures?

Select one of the following:

  • S. aureus

  • Coag Neg Staph

  • micrococcus sp

  • s. saprophyticus

Explanation

Question 19 of 26

1

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

Select one of the following:

  • Impetigo

  • Erysipelas

  • Osteomalitis

  • Septic Arthritis

Explanation

Question 20 of 26

1

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

Select one of the following:

  • Impetigo

  • Erysipelas

  • Septic Arthritis

  • Osteomyelitis

Explanation

Question 21 of 26

1

An infection in a bone. Infections can reach a bone by traveling through the bloodstream or spreading from nearby tissue

Select one of the following:

  • Osteomyelitis

  • Acute Bacterial Endocarditis

  • Impetigo

  • Erysipelas

Explanation

Question 22 of 26

1

S.Aureus Colony Morphology: Large, frequently , opaque, , smooth, shiny, domed, round. Often but not always hemolytic

Drag and drop to complete the text.

    yellow
    white
    gray
    offwhite
    creamy
    chalky
    sticky
    dull
    beta
    gamma
    alpha

Explanation

Question 23 of 26

1

Mrsa is slide coagulase neg or pos

Select one of the following:

  • negative

  • positive

Explanation

Question 24 of 26

1

CNS colony morphology- , round, domed, , sometimes not as creamy as s.aureus, usually smaller colonies than s. aureus, usually non-hemolytic or beta

Drag and drop to complete the text.

    offwhite
    yellow
    green
    denim blue
    smooth
    sticky
    dull
    chalky

Explanation

Question 25 of 26

1

S. Sapticus colony morphology. often pigmented , opaque, , gummy,

Drag and drop to complete the text.

    yellow
    white
    off-white
    gray
    green
    sticky
    creamy
    chalky
    dull
    non-hemolytic
    beta
    alpha

Explanation

Question 26 of 26

1

Stomatococcus mucilaginosus colony morphology: , domed, adherent, , tough,

Drag and drop to complete the text.

    small
    medium
    large
    pinpoint
    gray-brown
    white
    off-white
    yellow
    stringy
    creamy
    wet
    chalky

Explanation

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