Shared Flashcard Set

Details

Micro - based on UWorld Qs
Based on things I didn't know while doing UWorld
37
Microbiology
Professional
05/29/2012

Additional Microbiology Flashcards

 


 

Cards

Term
Where do viruses acquire their envelopes?
Definition
While budding through plasma membrane
Except herpesviruses which get it from nuclear membrane
Term
Diagnostic test for C. Boutlinum
Definition
Look for toxin in stool sample
Term
Best single treatment for african malaria
why?
Definition
Mefloquine
many african strains are chloroquine resistant
Term
How does the urease breath test work?
Definition
Patient ingests radiolabled urea which the H Pylori converts to radio labeled CO2 which is then exhaled and measured.
Term
Is the term colonization synonymous with infection
Definition
No
Term
What is the most important factor for Shigella infection?
Definition
Invasion of the mucosa
Strains without toxins are able to cause disease
Term
How does T. Cruzi cause achalasia and the other mega organ sequelae?
Definition
It produces a neurotoxin that causes parasympathetic denervation of smooth muscle
Term
What is enrichment media?
Definition
Media containing special growth factors
Term
What is differential media?
Definition
Media that allows you to separate cultured organisms based on a visual characteristic
Term
What is reducing media?
Definition
Media designed for organisms that reduce iron or sulfur as part of their metabolism
Term
What is synthetic media?
Definition
Media for which the chemical contents are fully known.
Term
What is selective media?
Definition
Media with antibiotics that would kill the usual contaminants.
Term
Typical Calymmatobacterium inguinale lesion
Definition
Papule on genitals ulcerates and becomes exophytic, soft, and painless with indurated borders
Term
Typical C. Trahcomatis L1-3 lesion
Definition
papule followed weeks later by swollen, painful inguinal nodes which coalesce, ulcerate, and rupture
Term
Major mechanism for methicillin resistance in Staph Aureus
Definition
Mutated penicillin binding proteins
Term
Congenital Rubella symptoms
Definition
PDA/pulmonary artery hypoplasia
cataracts
deafness
blueberry muffin rash
microcephaly/retardation
Term
What does colistin/polymxin target?
Definition
gram negatives other than N. Meningitidis and N. Gonorrhea
Term
Typical symptoms of toxic shock syndrome
Definition
Fever
Vomiting
Diarrhea
Muscle Pain
Erythroderma
Term
Components of LPS
Which components mediate sepsis
Definition
O antigen (typing)
Core Polysaccharide
A lipid (causes sepsis)
Term
What kind of pulmonary disease does Crypto cause?
Definition
Granulomas/nodules
Term
Most common manifestation of crypto infection
Definition
meningitis
Term
What do you use Mucicarmine for?
Definition
To visualize cryptococcus neoformans capsule
Term
Which E. Coli does not ferment sorbitol?
Definition
EHEC
Term
Mechanism of action of Diphtheria toxin
Name another toxin with the same mechanism
Definition
Inactivates EF-2 preventing protein synthesis
Pseudomonas
Term
Mechanism of action for Pseudomonas toxin
Name another bug with the same type of toxin
Definition
Inactivates EF-2 inhibiting protein synthesis
Diphtheria
Term
What is a potential sequelae for bugs causing cold agglutinins?
Definition
Hemolytic anemia
Term
Name the virus family:
Parainfluenza
Definition
Paramyxo
Term
Name the virus family
RSV
Definition
paramyxo
Term
Most common cause of croup
Definition
Parainfluenza virus
Term
Fungi that exist only in mold form
Definition
Rhizopus and Aspergillus
Term
What does Candida look like under the microscope at 37C
Definition
True hyphae aka germ tubes
(tubes budding out of circular things)
Term
Recent vacation with pneumonia, diarrhea, and neuro symptoms
Definition
Legionella
Term
What does HDV need HBV for?
Definition
For it's envelope. It will have HBsAG
Term
Major risk factors for HBV infection?
Definition
Sexual activity, vertical transmission, needle stick
Term
Major risk factors for HCV
Definition
IV drug use
transfusion
Term
Function of Streptolysin O?
Bug?
Definition
Lyse RBCs for Strep Pyogenes
Term
Function of Protein M
Definition
prevent phagocytosis of Strep progenies
Supporting users have an ad free experience!