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Micro Unit 3

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QuestionAnswer
This organism produces toxins causing mucosal cells to secrete water and electrolytes into the GI tract. Vibrio cholerae
Disease from this organism produces "rice water stools." Vibrio cholerae
What is the selective media for Vibrio spp.? TCBS
This organism can live in brackish rivers and coastal waters. Vibrio cholerae
What organism might one get while eating raw shellfish, especially from the Gulf of Mexico? Vibrio cholerae
This organism is responsible for 95% of all seafood related deaths in the United States. Vibrio vulnificus
This organism occurs naturally in oysters. Vibrio vulnificus
Septicemias of this organism carries a fatality rate of 50% in males over 40 with liver or blood disorders or immunocomprimised. Vibrio vulnificus
This organism causes severe wound infections after trauma in a marine environment. Vibrio vulnificus
A characteristic of this organism is purple colonies on MacConkey. Acinetobacter
This is the only organism in this unit referred to as a "Super Bug" Acinetobacter
Patients with this organism may require isolation and contact precautions. Acinetobacter
This organism is a common colonizer of hospitalized patients. Nosocomial infections include UTI, URI, UG tact and can cause bacteremia. Acinetobacter
This organism produces Chancroid venereal disease. Haemophilus ducreyi
This organism is sometimes called Ducrey's bacillus. Haemophilus ducreyi
This organism requires X factor only. Haemophilus ducreyi
What is X factor? Hemin
What is V factor? NAD
What is Max Factor? Cosmetic
This organism morphology is coccobacilli or slender rods resembling a "school of fish" Haemophilus ducreyi
This organism causes highly fatal meningitis in young children. Vaccine is available. Haemophilus influenzae (type b)
Infections from this organism is low in the United States but can occur in unvaccinated or incompletely vaccinated children. Haemophilus infuenzae (type b)
The survivors of infection from this organism can suffer mental retardation, deafness, and speech impediments. Haemopilus influenzae
Along with meningitis this organism can also cause pneumonia. Haemophilus inlfuenzea
This organism cause a long list of illnesses such as Pharyngitis (with much pain in swallowing), Epiglotisis, Laryngotraheobronchits, Cellulitis with bacteremia and septic arthritis. Haemophilus influenzea
This organism reaquires X and V factors. Haemophilus influenzae
This organism produces suppurative (pus) inflammation , usually with organism enmeshed in fibrin and many neutrophils; high fever and malaise. Haemophilus influenzae
This organism is sometimes called Pfeiffer's bacillus. Haemophilus influenzae
Types a-f of this organism are classified on the basis of LPS capsules with slide agglutination, coaggluthination, or immunoflurescent microscopy. Haemophilus influenzae
What type of blood agar in needed to view hemolysis of Haemophilis influenzae? Rabbit or horse blood agar
These organisms do not like to dry out. Haemophilus influenzae and Campylobacter jejuni
This organism likes 5 to 10% CO2 (candle jar or incubator) at 35-37°C for 24-72 hours. Haemophilus influenzae
This organism needs a selective media supplemented with vancomycin at 33°C for up to 7 days with high humidity. Haemophilus ducreyi
What organisms can be used for satelliting test to provide the V factor for Haemophilis infuenzae growth? S. aureus or Entrococcus
What are some of the biochemical methods used to identify Haemophilis spp. Lactose and Mannose fermetation and commercial kits.
This organism has a vaccine available (for small children). Haemophilus spp.
Untreated infections with this organism last the lifetime of the host. Helicobacter pylori
Carriers of this organism may be at increased risk of developing gastritis, peptic ulcers and gastric carcinoma. Helicobacter pylori
This organism colonizes human gastric mucosa. Helicobacter pylori
This organism is a curved microaerophilic gram-negative rod. It is oxidase-pos, Catalse-pos, urease-pos. Helicobacter pylori
Collection of this organism is by tissue biopsy. Helicobacter pylori
Selective media for this organism is similar to Campylobacter but cultivation is at 35-37C and slower growth, 4-7 days. Helicobacter pylori
What direct detection methods can be used for Helicobacter pylori? Urease breath test, urease kit, EIA, and monoclonal ab.
What organism's treatment requires "triple therapy" of antibiotics, acid suppressors, and stomach protectors? Helicobacter pylori
This organism inhabits the GI tract of poultry, pigs, cats, and sheep. Campylobacter jejuni
This organism causes diarrhea, which may be water or sticky (gotta hate that) and can contain blood (usually occult) and fecal leukocytes. Campylobacter jejuni
Infection with this organism may cause fever, abdominal pain, nausia, headache and muscle pain. Campylobacter jejuni
The illness from this organism usually occurs 2-5 days after ingestion of contaminated food or water, illness generally lasts 7-10 days. Relapses in 25% of cases. Campylobacter jejuni
Most infections with this organism are self limiting and are not treated with antibiotics. Campylobacter jejuni
Extraintestinal infections (meningitis and arthritis) may occur in immunocompromised hosts. Campylobacter jejuni
The illnesses with this organism occur more frequently in the summer. Campylobacter jejuni
This organism is more frequently isolated from infants and young adults. Campylobacter jejuni
To avoid contracting this organism avoid consuming unpasteurized milk and untreated surface water. Campylobacter jejuni
Rarely, some people may acquire arthritis following an illness with this organism. Campylobacter jejuni
Illness with this organism can lead to Guillain-Barré syndrome. Campylobacter jejuni
What are the selective media for Campylobacter jejuni? Modified Skirrow, Campy-Blood agar, and Campy-CVA.
Molecular assays may be useful in direct detection or this organism from diarrhea samples (the sticky ones). Campylobacter jejuni
This organism grows best at the temperature of a bird. Campylocbacter jejuni
Freezing raw meat can reduce the quantity of this organism. Campylobacter jejuni
This organism is microaerophilic. It likes 2-10% CO2 and 3-5% O2 at 42°C and incubation is 72 hours. Campylobacter jejuni
This organism is a gram-negative curved bacilli (spirals or "seagulls"). Campylobacter jejnuni
Selective media of this organism should be examined for suspicious colonies- grayish, slightly mucoid, tailing effect along the steakline. Campylobacter jejuni
This organism is oxidase-positive, catalase positive and susceptable to naladixic acid. Campylobacter jejuni
This organism causes infection similar to cat-scratch fever. Pasteurella multocida
This organism is an ovoid gram-negative rod and has bipolar staining (pleomorphic). Pasteurella multocida
This organism grows on BAP and Choc in CO2 but no growth on Mac. Pasteurella multocida
This organism is oxidase, catalase, indole, nitrate,and ONPG positive and non-motile. Pasteurella multocida
The reservoir of this organism is the mouth, respiratory and GI tract of wild and domestic animals. (Dog and Cats common) Pasteurella multocida
This organism is common in cat and dogs bite infections, which are usually nasty and slow healing. Pasteurella multocida
This organism produces chronic bronchiectasis in farmers and ranchers. Pasteurella multocida
This organism is sensitive to the penicillins. Pasteurella multocida
This organism causes Legionnaire's disease. Legionella pneumophilia
This organism occurs ubiquitouly in soils and particularly non-marine aqueous environments. Legionella pneumohilia
This organism has been found in pristine waters and in tropical rain forests. Legionella pneumophilia
This organism likes to hang out in air conditioning cooling towers, whirlpools, and potable water systems. Legionella pneumophilia
Apart from carriers this organism is not a part of normal flora of humans or animals. Legionella pneumophilia
This organism is Gram-negative (very faint, not usually seen on gram stain). Legionella pneumphilia
Selective media for this organism is BCYE with and without antibiotics at 35C. Legionella pneumophilia
At 5 days this organism shows small grey glistening convex colonies with a "cut glass" appearance. Legionella pneumophilia
This organism can be detected by serology due to increase antibody levels. Legionella pneumophilia
This organism can produce Pneumonia (Legionaire's), Pontiac fever (respiratory infection, wound abscesses, encephalitis, or endocarditis. Legionella pneumophilia
Immunocompromised, >60yrs old, smokers are most susceptible to this organism. Legionella pneumophilia
This organism is able to avoid destruction by the host's phagocytic cells. Legionella pneumophilia
This organism is an intracellular pathogen. Legionella pneumophilia
What organism has a lengthy list of factors required for intracellular infections? Legionella pneumophilia
What organism causes whooping cough? Bordetella pertussis
What is the required media for Bordetella pertussis to grow? Bordet-Gengou and enriched potato-extract medium.
Virulent strains of this organism have adhesins that attach to cilia and paralyze with tracheal cytotoxin. Bordetella pertussis
This organism spreads via droplets from respiratory tract and are highly contagious to non-immunized persons. Bordetella pertussis
Adults infected from this organism are frequently misdiagnosed as bronchitis. Bordetella pertussis
Bordetella pertussis specimens need to be transported in a special transport media. Name that transport media. Regan-Lowe
Collection of this organism is done by nasopharyngeal swabs (Dacron or wire)bent in nose and held in place until a cough is initated. Bordetella pertussis
Infections with this organism causes a rise in lymphocytes with few neutrophils. Bordetella pertussis
Is there a vaccine for Bordetella pertussis? Yes, DTP, DTPH, and DTaP
How many stages are there in whooping cough disease? Three
Describe stage 1 of whooping cough. Catarrhal stage, mild cough and cold-like symptoms for several weeks, but does not resolve; rising lymphocytosis (few neutrophils); hyperplasia of peribronchial and tracheobronchial lymphoid tissue- infectious stage.
Describe stage 2 of whooping cough. Paroxysmal stage, severe repetitive coughing spells with whooping cough for 1-6 weeks; vomiting and necrosis of bronchial epithelium; much discomfort but no fever !! Organism begins to loose capsules and disease begins to resolve
Describe stage 3 of whooping cough. Convalescent stage; non-infectious
This organism is isolated from human bite wounds. Eikenella corrodens
This organism is a Gram-negative rod, facultative anaerobe, oxidase-pos, catalse-neg, urea-neg, indole-neg. will grow on BAP or Choc in CO2, >or= 48 hrs, NG on MAC. Eikenella corrodens
This organism may have a distinct bleach odor. Eikenella corrodens
This organism will usually produce pitting of the agar. Eikenella corrodens
This organism is related to the infection you might get from punching someone in the mouth. Eikenalla corrodens
This organism is a putative periodontal pathogen. Eikenella corrodens
This organism inhabits the mucous membranes of humans most commonly the mouth and GI tract. Eikenella corrodens
This organism is usually found with other bacterial infections, commonly streptococci pneumonias. Eikenella corrodens
Along with clenched fist infections this organism can also cause SBE (subacute endocarditis). Eikenella corodens
Can Eikenella corrodens be treated with antibiotics such as penicillins and quinolones? Yes
This organism causes rabbit fever. Fransicella tularensis
What is another name for rabbit fever? Tularemia
This organism mimic a variety of other diseases including brucellosis, typhoid fever, and others. Fransicella tularensis
This organism's illness may be incapacitating for 6 months or longer with a high mortality rate if untreated. Fransicella turlarensis
There is no human-to-human transmission of this organism, only animals to humans, often from bites. Fransicella turlarensis
Reservoirs and vector of this organism are: rabbits, skunks, rodents, beavers, sheep, household pets, and the ticks and deer flies they harbor. Fransicella turlarensis
The primary mode of acquisition of this organism is abrasion in skin, arthropod bites or aerosol inhalation. Fransicella turlarensis
This organism can penetrate unbroken skin and mucous membranes. Fransicella turlarensis
This organism can be acquired by handling carcasses, taxidermy, etc. Fransicella turlarensis
What are the different forms of tularemia? Ulceroglandular, Glandular, Oculoglandular, Typphoidal, and Pneumonic. Affecting skin, lymphnodes, eyes, lungs, ans GI tract.
An enlarged spleen is commonly associated with infections with this organism. Fransicella turlarensis
This organism is rarely isolated form blood, but may be recovered from lesions, lymph nodes, sputum, or gastric washings. Fransicella turlarensis
This organism is considered Biosafety level 3 organism and is usually ID'd at state of reference labs. Fransicella turlarensis
This organism may be used as a biological threat agent. Fransicella turlarensis
This organism can be ID'd with PCR, direct fluorescent antibody stain or direct agglutination tests. Rarely isolated in cultures. Fransicella turlarensis
Vaccines are available for this organism but are dangerous and are typically used in the military and for at risk laboratorians. Fransicella turlarensis
What is the gram stain morphology for Fransicella turlarensis? Small Gram-negative coccobacillus. Very fastidious poorly staining, slow grower.
What is the gram stain morphology for Bordetella pertussis? Encapsulated, Gram-negative aerobic coccobacillus.
What is is the gram stain morphology for Haemophilus influenzae? Gram-negative coccobacilli or small Gram-negative rods.
What is the gram stain morphology for Acinetobacter? Gram-negative coccobacilli
What is the gram stain morphology for Vibrio? Gram-negative, straight or slightly curved rods.
How is Acinetobacter identified? It is oxidase-negative and can be identified using API20E
Is Vibrio spp. reportable to the health department? Yes
Is Campylobacter jejuni a reportable organism in Virginia? Yes
This organism has an acquired resistance to multiple antimicrobials. Acinetobacter
The CLO test requires a tissue biopsy specimen and test for urease. What color reveals a positive test? Pink. Yellow is negative.
What makes the CLO test so useful? It is inexpensive and quick
What is the ALA disk test used for? This test provides a rapid and accurate means of detecting X-independant Haemophilus strains. After incubation, exposure to long wave UV light will cause an orange-red fluorescence to appear.
Created by: 1414395397