what part of the cell encompasses cytoplasm?
what part of the cell is the material that holds organelles?
what part of the cell is for motility?
the vibrio cholerae has what type of flagella?
Monotrichous- single flagella
the spirillum serpens has what type of flagella?
amphitrichous-bunches of flagella at both ends
E. coli has what type of flagella?
peritrichous-entire surface covered with flagella or cilia
what part of the cell is used to attache to other cells?
which type of bacterial cell morphology lacks a distinct shape?
if you see gram positive chains in your micro exam, what is the specific bacteria?
what type of toxins act on gi tract causing diarrhea?
what bacteria species causes neurotoxins?
if you suspect uti caused by ecoli, what urine collection method do you use?
what are examples of neurotoxins that act on the nervous system?
tetanus and botulism
why do you not use outside skin samples for specimen collection?
due to the high number of normal flora bacteria
which reagent is the primary stain and what color does it stain?
crystal violet: blue/purple
Which reagent is the mordant, and is capable of intensifying or deepening the reaction of a specimen to a stain, and fixes a dye in or on substances?
which reagent is the decolorizer?
ethanol and acetone solution 50/50
which reagent is counterstain and what color does it stain?
safranin-gives a red pink color
which gram stain will stain dark blue to purple/black?
which gram stain will stain deep pink to red?
_____ is a differential staining technique vital to the CHARACTERIZATION & CLASSIFICATION of many types of bacteria
what is gram positive lancet shaped diplococci
what is a gram negative bacilli that maybe curve shaped and is motile with single flagellum?
what is a gram negative bacilli that occurs in singles, pairs, short and long chains?
what is a gram positive that looks like "watermelon seeds", will often have budding, may often have mickey mouse shape and branching (false hyphae) that appear as road maps?
what is a gram positive bacilli that may show irregular staining granules showing a "beaded" appearance and have a characteristic chinese letter or as L, V, or Y shapes?
what is a parasitic infxn caused by the intro of the protozoan organisms into the blood by the bite of a female anopheles mosquito?
sporozoites enter parenchymal cells of what organ to become shizonts?
what is the life cycle of plasmodium (malaria parasite)
female anopheles mosquito bites man sporozoites injected into man when bitten, sporozoites enter parenchymal cells of liver to become schizonts, schizonts rupture releasing merozoites and invade RBC,s merozoites then develop into mature schizontsl
all stages of asexual cycle can be demonstrated in a peripheral blood smear with the exception of what?
What P. Falciparum gametocyte has a curved sausage/ banana shape with a central large chromatin dot covered with centralized mass of hemazoin
What P. Falciparum gametocyte is shorter and wider with rounded ends, diffused chromatin seen with hemazoin granules.
Which type of malaria is Most fatal, has a Malignant tertian that is 48 hours, and has a banana shape
Which type of Malaria is Most common and has a Tertian is 48 hours
Which type of Malaria has a Quartan of 72 hours
Which type of Malaria has an Ovale of 48 hours
What is the proper way to scan the malaria smear
Entire slide should be scanned (at least 100 fields)
what is a multicellular heterotrophic organism occupying a seperate kingdom from the plant and animal kingdoms?
fungi has basic branching and intertwining structure called what?
mycelium composed of tubular filaments called what?
what is most common yeast isolate?
what tinea is also known as athlete's foot?
what is defined as a fungal infection upon the skin?
dermatophytes (tinea spp)
what is the nutrient source for dermatocyte?
keratin (not capable of penetrating subcutaneous skin)
how long do you allow koh to stand for?
what do you use to scrape skin from the active edge of the lesion on to a glass slide?
a #15 scalpel
when is the optimum time to collect a malaria smear?
immediately after onset of fever or before fever spike for best results
where do you send unstained malaria smears?
nepmu for identification and confirmation
what bacteria is intra/extracellular diagnostic for?
gram negative diplococci (n.gonorrhea)
What bacteria produces toxins that cause infectious diarrhea (Bacteria colonize the GI tract and continually release their exotoxin which triggers the diarrheic episode)
What yeast has a morphology that is branching and appears as "road maps"
What tinea is associated with nail infections
What tinea is associated with scalp infections
What tinea is associated with body infections
What tinea is associated with jock itch
What tinea is associated with trunk infections
The _____ is superior for the initial identification of Malaria due to the higher yield of positive findings
What cyle of malaria is it when schizonts develope in the liver
What cycle of malaria is it when there is further development in liver after RBC invasion