Flashcards in Miscellaneous Information Deck (20):
What organisms are OBLIGATE intracellular?
What organisms are facultative intracellular?
1. stay inside when it is Really CHilly and COld
2. Some Nasty Bugs May Live FacultativeLY
What bacteria is encapsulated?
group B Strep
What organisms are urease positive?
CHuck norris hates PUNKSS
What organisms are catalase positive?
Cats Need PLACESS to hide
Catalase degrades H202 into H20
(people with chronic granulomatous disease have recurrent infections with certain catalase organisms)
Nocardia, Pseudomonas, and Mycobacteria are examples of ____
Fusobacterium, Clostridium, Bacteroides, and Actinomyces are all what?
What antibiotics are ineffective against them?
Nagging Pests Must Breathe
Anaerobes Frankly Can't Breathe Air
- Aminoglycosides are ineffective against anaerobes because these antibiotics require O2 to enter into bacterial cell
Which bus do not gram stain well?
These Microbes May Lack Real Color
Rickettsia (intracellular parasite)
Chlamydia (intracellular parasite)
Which bugs require giemsa staining?
Certain Bugs Really Try my Patience
What is the drug of choice for Listeria?
What is the DOC for legionella?
Cold hemaglutinins are used to diagnose which bacteria?
- fried egg appearance
- cause of atypical pneumonia
- cholesterol needed for growth
Overal, what are cephalosporins NOT active against?
Coag negative Staph
Listeria (gram positive)
What is the only generation of cephalosporins with activity against Bacteroides?
The cephamycins (cefoxitin, cefotetan, and cefmetazole)
cefox, cefot, cefmet kill the B. frag!!!!
What drug can be used for rocky mountain spotted fever?
What organism is associated with ASPIRATION pneumonia? (4 A's
Alcoholics, Abscesses in lungs liver, diAbetics, Aspiration pneumonia)
Which 3 drug classes should be avoided in pregnancy?
Fluoroquinolones (floxi), --> ARTICULAR damage (+ tendon)
Metronidazole --> carcinogen
Tetracycline --> teeth discoloration
What drugs are exclusively excreted by the KIDNEY? (7)
Antibiotics primarily eliminated by kidneys include most
1. -lactams (except nafcillin/oxacillin, ceftriaxone, cefoperazone)
3. aminoglycosides (erythro, axithro, clarithromycin)
4. some FQs (not moxi)
7. tetracycline (not tigacycline or doxycycline)
Penicillins and Cephalosporins Are Very Cidal For Microbes
CERBEPENEMS ARE NOT ACTIVE AGAINST what 6 bacteria?
6. C diff
Vancomycin is NOT trouble free. Pneumonic?
Main action is for _____
How does it work?
Ototoxicity (Like AG)
RED MAN SYNDROME!
Main = gram positive organisms (carbepenems/cephalosporins were lacking on this)
3. Clostridium (C. DIFF!!!)
ALL GRAM POSITIVE ORGANISMS!!!
Works by binding to D-ala-D-ala subunit and inhibiting cell wall synthesis.