ASCP Microbiology Exam (Answered) With Complete verified Solution
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ASCP Microbiology Exam (Answered) With Complete verified Solution
Gemella
Gram positive diplococcus.
Thrive best at high partial carbon dioxide pressure.
Facultative anaerobe.
Oxidase negative.
Catalase negative.
In mucous membranes of humans and animals and upper digestive tract.
Leucons...
ASCP Microbiology Exam (Answered) With
Complete verified Solution
Gemella
Gram positive diplococcus.
Thrive best at high partial carbon dioxide pressure.
Facultative anaerobe.
Oxidase negative.
Catalase negative.
In mucous membranes of humans and animals and upper digestive tract.
Leuconstoc
Gram positive cocci often in chains.
Intrinsically resistant to vancomycin.
Catalase negative.
Are generally slime forming.
Responsible for cabbage fermentation.
Acanthamoeba
A genus of amoeba
One of the most common single celled eukaryotes in soil and frequently in fresh water.
Has two forms - metabolically active trophozoite.
Dormant - stress resistant cyst.
Causes keratitis and granulomatous amoebic encephalitis.
Naegleria fowleri
Protozoa.
Causes Primary Amoebic Meningoencephalitis.
Enter through the nose and travels to the brain.
Commonly found in warm fresh water.
Only species that infects humans.
Almost always results in death.
Schistisoma
Also known as the blood flukes.
Schistisoma mansoni
Blood fluke most commonly found in Africa, South America, West Indies and Porto Rico.
Lives in the large intestines.
Approximately 115-175 micrometers by 45-75 micrometers.
Lateral spine.
Schistisoma heamatobium
Blood fluke most commonly found in Nile Vally, Mideast and East Africa.
Live in veins surrounding bladder.
Approximately 110-170 micrometers by 40-70 micrometers.
Terminal spine.
Schistisoma japonicum.
Blood fluke most commonly found in Far East Japan, China and Philippines.
Lives in the small intestines.
,Approximately 60-95 micrometers by 40-60 micrometers.
No spine.
Hantavirus
A single stranded enveloped, negative sense RNA virus.
In the Bunyaviridae family.
May become infected through contact with rodent urine, saliva or feces.
Can cause fatal diseases such as hantavirus hemorrhagic fever with renal syndrome.
Hantavirus Pulmonary Syndrome.
Rare respiratory illness associated with inhalation of aerolized rodent excreta.
Cause of Hantavirus Pulmonary Syndrome in the US.
The Sin Nombre virus carried by deer mice.
Bartonella
Gram negative bacteria.
Facultative intracellar parasite.
It is transmitted by vectors such as ticks, flees, sand flies and mosquitoes.
Cause of Cat Scratch Disease
Bartonella henselae.
Edwardsiella
An Enterobacteriaceae.
Gram negative rod.
Facultative anaerobe.
Enterobacteriaceae family.
First discovered in snakes.
Edwardsiella tarda
Urea - negative
Lysine decarboxylase - positive
Hydrogen Sulfide- positive
Indole- positive
Only recognized human pathogen in Edwardsiella genus.
Chryseobacterium
Gram negative, filamentous rod.
Non motile.
Capable of reproduction in cold temperatures.
Flavobacteriaceae family.
Found in soil, plants, foodstuffs and water sources.
Chryseobacterium indologenes
Yellow pigmented colonies.
Has been found in indwelling devices.
West Nile Virus
An arbovirus.
In the Flaviviridae family.
Transmitted to humans by mosquitoes.
80% infected will have few to no symptoms.
Cause fever headaches, feeling tired, muscle pain, nausea, loss of appetite, vomiting
and rash.
Anthrax
, Caused by bacterium, Bacillus anthracis.
It is spread by contact with spores of bacteria which are often from infectious animal
products.
Transmission is by breathing, eating or contact through broken skin.
Botulism
Caused by Clostridium botulinum.
Causes weakness, trouble seeing, feeling tired, trouble speaking.
May be followed by weakness of arms, chest muscles and legs.
Cause of food poisoning.
How is botulism toxin destroyed?
Heating to more than 85 degrees Celsius or 185 degrees Fahrenheit.
Clostridium botulinum
Gram positive rod.
Anaerobic.
Spore forming.
Motile.
Capable of producing the neurotoxin, botulism.
Yersenia pestis.
Cause of the bubonic plague.
Gram negative coccobacillus.
Facultative anaerobe.
Transmitted by oriental rat flee.
Non motile.
Stick shapped bacteria with bipolar staining.
Safety pin appearance.
Variola virus.
Cause of Smallpox.
Transmission by inhalation of airborne virus, usually droplets from the oral, nasal, or
pharyngeal mucosa of infected person.
Franciscella tularemia.
Cause of Tularemia.
Gram negative coccobacillus.
Facultative Aerobe. (?)
Non spore forming.
Non motile.
Fastidious.
Requires cysteine for growth.
Transmitted by contact with infected animals.
Staphylococcus aureus
Gram positive cocci.
Usually in clusters.
Catalase positive.
Coagulase positive.
Non motile.
Nitrate reduction positive.
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