Microbiology Test 3

What type of colonies do Listeria monocytogenes form when they are grown on bile esculin?

This bacteria is known to come from human bite wounds.

This organism is related to Neisseria and is commonly found in dental plague of humans.

Eikenella is a gram negative bacilli that has what type of smell on an agar?

Francisella requires what type of agar for growth?

L-cysteine, ferric iron, and a range of amino acids are the growth requirements for which species?

What do you plate first with CSF?

Francisella has a positive fermentation of which three saccharides?

What is a fastidious bacteria?

Out of all the fastidious gram positive bacilli, which one does not ferment glucose, lactose, maltose, or sucrose?

Hint: also negative for catalase, indole and urease. Only positive for oxidase

This organism will form a bottle brush growth in a stab culture.

This organism causes the disease Tularemia and can be acquired through handling of infected animal via inhalation, bite, or direct contact with blood.

What does the gram stain of Francisella look like?

What do you do when you realize that you cultured Francisella?

Name the 6 fastidious fermenters that are clinically significant.

What is the best medium used to grow Gardnerella vaginalis?

What does Gardnerella vaginalis require for growth?

What organism do you keep for at least 4 weeks to ensure that the bacteria is not this?

This organism is often found in blood cultures or biopsies of reticuloendothelial (RE) tissue.

What is the new name for Haemophilis?

Haemophilis influenza require which two components for growth?

Which organism is a gram negative coccobacillis that causes Pertussis or Whooping cough?

What are the motility results of Bordatella?

Out of all the clinical significant fastidious  organisms, which one is catalase positive?

In order to be considered free from oropharyngeal contamination, what requirements have to be met?

On the gram stain, this organism is gram negative rods with one rounded end and one tapered end.

Unlike Eikenella and Kingella kingae which test result differs between these two organisms and C. hominis?

This organism is catalase positive, oxidase positive, and non-motile. It is commonly associated with animal bites and has a musty odor.  It grows on blood and chocolate agar but not MAC. What bacteria is it?

The ALA test speciates between what organisms based on the detection of porphyrin synthesis?

What does ALA disk detect which is excreted by the X-independent Haemophilis strains.

Out of the HACEK organisms which is nitrate positive?

Eikenella  does not grow well on which two agars?

What do 45% of Eikenella do to the agar?

Which is the least common HACEK group that causes endocarditis?

Which HACEK organism has two different morphological components seen in cultures?

Which organism is the only gram positive that is H2S positive?

Erysipelothrix rhusiopathiae is intrinsically resistant to which antibiotic?

Which is the drug of choice for Erysipelothrix rhusiopathiae?

What is Brucellosis also known as?

What two agars does Francisella grown on?

Does Pasturella Multocida ferment glucose and sucrose?

What is the most common form of infection in Pasturella multocida?

What do you add to the sputum sample with Legionella?

IS Legionella affect by the chlorine content of water?

Out of the two diseases that Legionella causes, which is non pneumonia causing?

What are the clue cells for an infection with Garderella vaginalis?

Garderella vaginalis is hippurate what?

Which two agars are commonly used to culture Bordatella?

Why does Bordatella have to be sealed in an airtight bag?

This HACEK organism tends to have a teardrop shaped colony.

Cardiobacterium hominis does not grow on which media?

Although Cardiobacterium hominis is nitrate negative, what is it able to do with nitrite?

Like Eikenella, this organism may also pit the agar.

Kingella kingae is often misidentified as Neisseria or Morexella. What test is used to differentiate them from Kingella?

In order to differentiate between H. aegyptius and H. influenza which test do you preform?

What is the major virulence factor for H. influenza?