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47 Cards in this Set
- Front
- Back
Gram (+) and branching; has beaded and band forms, has filamentous rods. Has sulfur granules |
Actinomyces israelii |
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TORCH |
Toxoplasma, other agents, rubella, CMV, Herpesviridae |
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Other agents in TORCH |
Mumps Parvovirus Varicella HIV Syphilis |
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Stenotrophomonas maltophila can also be |
DNASE (+) |
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Amoeba cyst with a single nucleus |
I. butschlii & E. Polecki |
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Important for the presumptive identification of C. neoformans |
Rapid urease Can also be (India ink & Serology) |
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Commonly isolated from NPS (nasopharyngeal swab) |
H. influenzae, N. meningitidis, B. pertussis, M. catarrhalis |
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LENS system of microscope |
1.) Primary closet to the specimen (obectives) 2.) Secondary -closet to the observer (eye pieces/oculars) |
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Koplik spots |
Rubeola (measles) |
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A 3 day measles |
Rubella (german measles) |
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Last PPE to remove in doffing? |
Mask |
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Last to wear in donning |
Gloves |
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Incubation time & temp for acetimide and acetate test? What day? Pos result (?) |
35°C in 7 days result : blue |
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Most commonly used isolation |
Streak plate |
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Kirby bauer discs long term storage? |
• within 7 days : 8°c (ref) • > 7 days : -14°c (freezing point) |
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Red colony in MAC refers to |
Lactose fermentation |
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Swarming of proteus on MH should be? |
Ignored (read the outer zone) |
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Fast and k39 are for? Immunochromatographic |
Leishmania |
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Transplacental transmission (+) babies may show chorioretinitis, epileptic seizures, hydrocephaly & microcephaly? Mainly in? |
Toxoplasmosis (cats) |
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It is identified as the cardinal feature of herpesviruses |
Latency |
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An increase in these two electrolytes is associated with increased resistance to aminoglycosides by the pseudominas group |
Calcium and magnesium In AMS = Calcium - 25mg/ml = Magnesium - 2.5mg/dl |
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It is not a fungal media. Used for slime and molds, it can also be used for protozoans |
Hay infusion |
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Wrinkled cyst, double walled and free- living |
Acanthamoeba castellani |
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⭐ what structure is found inside a hydatid cyst |
1.) Protoscolices 2.) Hydatid sand 3.) Broad capsules |
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In plasmodium charac. 1.) Very amoeboid troph 2.) Crescent troph 3.) Band troph |
1. P. Vivax 2. P. Falciparum 3. P. Malariae |
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Klebsiella is characteristically? |
LDC (+) |
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DDM (Disk diffusion method) 1. Too shallow or deep agar 2. Too heavy or light inoculum |
1. False susceptible; false resistant 2. False resisitant; false susceptible |
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If the inoculating loop used is 1ul, what factor must be multiplied to the number of colonies formed to get the CFU/ml number? |
X1000 *if with per multiply |
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____ result in net intestinal fluid secretion by stimulating guanylate cyclase |
Heat stable toxin (STS) |
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⭐ choleratoxin action |
Heat labile toxin (LTS) |
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True or false Zone of inhibition are reliable when confluent lawn of growth is observed |
True |
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What is the free-moving and swimming structure arises from snails?? |
Cercariae |
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Purpose of enrichment media when culturing enterobacteriaceae |
To support the growth of fastidious enterobacteriaceae |
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Well known schistosome test |
Circumoval precipitin test |
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What is the negative control for 1. Taxo A 2. Taxo P |
1. Taxo A: pyogenes (+) S. agalactiae (-) 2. Taxo P: S. pneumoniae (+) S. Mitis (-) |
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Causation of measles |
Rubeola |
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Endotoxin (gram neg) detection |
Limulus lysate test using (horse shoe crabs) |
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What is the most common extraintestinal manifestation of E. histolytica |
Amoebic liver abscess |
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LDC & ODC (+) |
Enterobacter aerogenes |
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What cestode has proglottids with rosette-shaped uterus |
Diphyllobotrium latum (aldmond) |
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Temperature where most incubators are set: |
35 +-2°c (33-37°C) |
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1.) What parasite has ova with bipolar plugs 2.) If flattened: |
T. trichuria
C. philippenensis |
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1.) Agar dilution
2.) Broth dilution
3.) Disk diffusion
4.) Colony age greater than 24 hours
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Catalase bubbles are due to the formation of |
Gas and h20 |
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1.) QC is performed on which media? 2.) Not performed on |
1.) Lab prepared media and complex media 2.) Commercial media |
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Which of the following is an obligate aerobe A. Mycobacterium B. Clostridium C. Lactobacillus D. Campylobacter |
A. Mycobacterium |
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Produces also by pseudomonas |
Exotoxin A |