Micro Flashcards
congenital infection to vaccinate against prior to pregnancy
Rubella
stepping on rusty nail, lacking vaccinations
what is organism
produces __, an exotoxin
toxin cleaves __ for NT
mechanism of toxicity
Clostridium tetani
tetanospasmin
snare proteins
blocks release of inhibitory NT like glycine/GABA
sx of tetanus
P, T
__ raised eyebrows/grin
__ spasm of spinal extension
Prevent w __
paralysis, trismus
risus sardonicus
opisthotnos
tetanus vaccine
Meningitis sx
normal protein, glucose levels
elevated WBC
type of meningitis ___
trasnmission pattern
viral
fecal oral
how does hep A produce viral proteins inside host cell
__ translated by ___
ssRNA, host cell ribosomes
pt w leukemia, PNA sx
fungal ball in lung
biopsy shows hyphae
dx is
aspergillus
ebola type of virus
how does it produce mRNA translated by host machinery
ssRNA-
uses ssRNA replicated by viral RNA dependent RNA polymerase into MRNA
deep wound, crepitus, blood tinged exidate
organism is __
produces __ known as lecithinase, which destroys
can cause ___ and ___
spores survive in ___
produces ___, leading to food poising
c perfringens
alpha toxin, cell membranes
gas gangrene, hemolysis
food
heat labile toxin
Competent bacteria bind and import pieces of environmental naked bacterial chromosomal DNA
type of transmission
adding __ to environemtn degrades naked DNA
bacterium include
S, H, N
Transformation
deoxyribonuclease
strep pneumo, Hib, n men
F+ plasmid contains genes for sex pilus/conjugation
bacteria without plasmid termed __
transfer of plasmid DNA, but not __
example of
F-
chromosomal DNA
F+ F- conjugation
F+ plasmid incorporated into bacterial chromosomal DNA, called ___
transfer leading part of plasmid flanked by ___
recipient cell remains ___
example of
Hfr
chromosomal genes
F-
Hfr F- conjugation
packaging event, phage infects bacteria and cleaves DNA
infects another bacterium, transferring DNA
transfer is
generalized transduction
excision event, phage infects bacteria and DNA incorproates into chromosomes
DNA packed into capsid, and infects another bacterium
type of transmission
assc bacteria
ABCDs
specialized transmission
group A strep botulinum cholera diptheria shiga
segment of DNA jumps from one location to another, transfering DNA from plasmid to chromosomal area
type of transmission
bacterial types
VRE/VRSA
transposition
beta lactams are most affective against cell wall synthesis at which stage
log