Unit 1
What is important for motility of the bacterial cell?
Flagella
Gram positive bacteria stain which color:
Purple
Colonies of Streptococcus pneumoniae at 24 hours are typically:
Mucoid & alpha hemolytic
Sputum samples can be digested with:
N-acetyl-L-cystine
The fundamental unit of the fungus is the:
Hypha
An infection that may occur as a result of accidental needlesticks or through broken glass is classified as which of the following routes?
Direct inoculation
What media is utilized for disk diffusion susceptibility testing?
Mueller Hinton Agar
All Neisseria species are positive for which enzyme?
Oxidase
Relapsing fever is due to infection with:
Fungal cultures should be held and observed for growth for atleast:
1 month
What biological safety cabinets sterilizes both the air entering and leaving the cabinet and utilizes a HEPA filter?
The organism that produced a greening of the blood agar plate that is described as:
Alpha hemolytic
All members of the family Enterobacteriaceae:
Ferments glucose
What is a nonselective, egg based mycobacterial media?
Lowenstein-Jensen
___ is the intestinal amoeba whose cyst contain glycogen mass
Iodamoeba butschlii
Autoclave standards for decontamination of most microbiologic materials are:
121 degrees C at 15 psi for 60 minutes
Potassium hydroxide preparation:
Fungal elements
Halophilic means that the organism requires:
Increased sodium chloride
The reverse CAMP test is used to confirm which organism?
C. perfringens
The sexual cycle of Toxoplasma gondii occurs in:
Cats
Complete hemolysis is known as:
Beta hemolytic
Which stain is used for dye Mycobacterium?
Carbolfuchsin
What is the most frequently isolated nonfermenter?
Pseudomonas aeruginosa
What organism presents as nonhemolytic on SBA and shows a "medusa head" colony appearance?
Bacillus anthracis
What organism is transmitted through infected reduviid bugs, causing Chagas Disease
Trypanosoma cruzi