Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Giemsa stain used for?
|
Borrelia
Plasmodium trypanosomes Chlamydia |
|
|
Culture requirement for H. influenza
|
Chocolate agar with Factor V (NAD+) and Factor X (hematin)
|
|
|
Culture requirement for N. gonorrhoea
|
Thayer Martin or VPN (vanco - inhibits gram positives, polymyxin - inhibits gram negatives, nystatin - inhibits fungi)
|
|
|
Culture requirement for B. pertussis
|
Bordet-Gengou (potato) agar
|
|
|
Culture requirement for C. diptheriae
|
Tellurite plate (Loeffler's media
|
|
|
culture requirement for M. tuberculosis
|
Lowenstein-Jensen agar
|
|
|
culture requirement for M. pneumoniae
|
Eaton's agar
|
|
|
culture requirement for lactose fermenters
|
pink colonies on MacConkey's agar
E. coli can also be grown on eosin-methylene blue (EMB) agar as blue-green colonies with metallic sheen |
|
|
culture requirement for Legionella
|
Charcoal yeast extract agar with iron and cysteine
|
|
|
culture requirement for fungi
|
Sabouraud's agar
|
|
|
Obligate aerobes
|
Nocardia, Pseudomonas aeruginosa, Mycobacterium tuberculosis, and Bacillus
Nagging Pests Must Breathe |
|
|
Obligate anaerobes
|
Clostridium, Bactereoides, Actinomyces
•AminOglycosides are useless here because they need O2 to get into cell |
|
|
encapsulated bacteria
|
Strep Pneumo
H. influenza - type b N. meningitidis Salmonella GBS Klebsialla |
|
|
urease positive bugs
|
Klebsialla
Proteus Ureaplasma Nocardia Cryptococcus H. pylori |
|
|
what is a superantigen and which bacteria have them?
|
binds directly to MHC II and TCR to activate large numbers of T cells and stimulate release of gamma interferon and IL-2
S. aureus - TSST-1 causes toxic shock syndrome (fever, rash, shock) S. pyogenes - erythrogenic toxin causes toxic shock-like syndrome |
|
|
which bacteria have ADP ribosylating toxins?
|
Corynebacterium - inactivates EF2 --> causes pharyngitis and pseudomembranes in throat
Vibrio cholera - activates Gs --> pumping of Cl- into gut and decreasing Na+ reabsorption --> rice-water stool E. coli - LT stimulates cAMP and ST activates cGMP --> watery diarrhea Bordatella pertussis - inhibits Gi --> also leading to increased cAMP --> whooping cough |
|
|
Clostridium perfringens
|
alpha toxin - lecithinase that cleaves membranes --> myonecrosis and gas gangrene
|
|
|
C. tetani - toxin
|
blocks release of GABA and glycine from Renshaw inhobitory interneurons in the spinal cord
|
|
|
C. butulinum toxin
|
blocks release of Ach at NMJ
|
|
|
B. anthracis - toxin
|
edema factor, lethal factor and protective facrtor
|
