Term
Where do viruses acquire their envelopes? |
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Definition
While budding through plasma membrane Except herpesviruses which get it from nuclear membrane |
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Term
Diagnostic test for C. Boutlinum |
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Definition
Look for toxin in stool sample |
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Term
Best single treatment for african malaria why? |
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Definition
Mefloquine many african strains are chloroquine resistant |
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Term
How does the urease breath test work? |
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Definition
Patient ingests radiolabled urea which the H Pylori converts to radio labeled CO2 which is then exhaled and measured. |
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Term
Is the term colonization synonymous with infection |
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Definition
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Term
What is the most important factor for Shigella infection? |
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Definition
Invasion of the mucosa Strains without toxins are able to cause disease |
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Term
How does T. Cruzi cause achalasia and the other mega organ sequelae? |
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Definition
It produces a neurotoxin that causes parasympathetic denervation of smooth muscle |
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Term
What is enrichment media? |
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Definition
Media containing special growth factors |
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Term
What is differential media? |
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Definition
Media that allows you to separate cultured organisms based on a visual characteristic |
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Term
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Definition
Media designed for organisms that reduce iron or sulfur as part of their metabolism |
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Term
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Definition
Media for which the chemical contents are fully known. |
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Term
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Definition
Media with antibiotics that would kill the usual contaminants. |
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Term
Typical Calymmatobacterium inguinale lesion |
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Definition
Papule on genitals ulcerates and becomes exophytic, soft, and painless with indurated borders |
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Term
Typical C. Trahcomatis L1-3 lesion |
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Definition
papule followed weeks later by swollen, painful inguinal nodes which coalesce, ulcerate, and rupture |
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Term
Major mechanism for methicillin resistance in Staph Aureus |
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Definition
Mutated penicillin binding proteins |
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Term
Congenital Rubella symptoms |
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Definition
PDA/pulmonary artery hypoplasia cataracts deafness blueberry muffin rash microcephaly/retardation |
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Term
What does colistin/polymxin target? |
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Definition
gram negatives other than N. Meningitidis and N. Gonorrhea |
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Term
Typical symptoms of toxic shock syndrome |
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Definition
Fever Vomiting Diarrhea Muscle Pain Erythroderma |
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Term
Components of LPS Which components mediate sepsis |
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Definition
O antigen (typing) Core Polysaccharide A lipid (causes sepsis) |
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Term
What kind of pulmonary disease does Crypto cause? |
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Definition
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Term
Most common manifestation of crypto infection |
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Definition
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Term
What do you use Mucicarmine for? |
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Definition
To visualize cryptococcus neoformans capsule |
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Term
Which E. Coli does not ferment sorbitol? |
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Definition
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Term
Mechanism of action of Diphtheria toxin Name another toxin with the same mechanism |
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Definition
Inactivates EF-2 preventing protein synthesis Pseudomonas |
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Term
Mechanism of action for Pseudomonas toxin Name another bug with the same type of toxin |
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Definition
Inactivates EF-2 inhibiting protein synthesis Diphtheria |
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Term
What is a potential sequelae for bugs causing cold agglutinins? |
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Definition
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Term
Name the virus family: Parainfluenza |
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Definition
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Term
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Definition
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Term
Most common cause of croup |
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Definition
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Term
Fungi that exist only in mold form |
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Definition
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Term
What does Candida look like under the microscope at 37C |
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Definition
True hyphae aka germ tubes (tubes budding out of circular things) |
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Term
Recent vacation with pneumonia, diarrhea, and neuro symptoms |
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Definition
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Term
What does HDV need HBV for? |
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Definition
For it's envelope. It will have HBsAG |
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Term
Major risk factors for HBV infection? |
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Definition
Sexual activity, vertical transmission, needle stick |
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Term
Major risk factors for HCV |
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Definition
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Term
Function of Streptolysin O? Bug? |
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Definition
Lyse RBCs for Strep Pyogenes |
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Term
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Definition
prevent phagocytosis of Strep progenies |
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