Micro Flashcards

1
Q

congenital infection to vaccinate against prior to pregnancy

A

Rubella

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2
Q

stepping on rusty nail, lacking vaccinations

what is organism

produces __, an exotoxin

toxin cleaves __ for NT

mechanism of toxicity

A

Clostridium tetani

tetanospasmin

snare proteins

blocks release of inhibitory NT like glycine/GABA

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3
Q

sx of tetanus

P, T
__ raised eyebrows/grin
__ spasm of spinal extension

Prevent w __

A

paralysis, trismus
risus sardonicus
opisthotnos

tetanus vaccine

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4
Q

Meningitis sx

normal protein, glucose levels

elevated WBC

type of meningitis ___

trasnmission pattern

A

viral

fecal oral

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5
Q

how does hep A produce viral proteins inside host cell

__ translated by ___

A

ssRNA, host cell ribosomes

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6
Q

pt w leukemia, PNA sx

fungal ball in lung

biopsy shows hyphae

dx is

A

aspergillus

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7
Q

ebola type of virus

how does it produce mRNA translated by host machinery

A

ssRNA-

uses ssRNA replicated by viral RNA dependent RNA polymerase into MRNA

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8
Q

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

A

c perfringens
alpha toxin, cell membranes

gas gangrene, hemolysis

food
heat labile toxin

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9
Q

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

A

Transformation

deoxyribonuclease

strep pneumo, Hib, n men

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10
Q

F+ plasmid contains genes for sex pilus/conjugation

bacteria without plasmid termed __

transfer of plasmid DNA, but not __

example of

A

F-

chromosomal DNA

F+ F- conjugation

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11
Q

F+ plasmid incorporated into bacterial chromosomal DNA, called ___

transfer leading part of plasmid flanked by ___

recipient cell remains ___

example of

A

Hfr

chromosomal genes

F-

Hfr F- conjugation

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12
Q

packaging event, phage infects bacteria and cleaves DNA

infects another bacterium, transferring DNA

transfer is

A

generalized transduction

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13
Q

excision event, phage infects bacteria and DNA incorproates into chromosomes

DNA packed into capsid, and infects another bacterium

type of transmission

assc bacteria
ABCDs

A

specialized transmission

group A strep
botulinum
cholera
diptheria
shiga
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14
Q

segment of DNA jumps from one location to another, transfering DNA from plasmid to chromosomal area

type of transmission

bacterial types

VRE/VRSA

A

transposition

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15
Q

beta lactams are most affective against cell wall synthesis at which stage

A

log

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16
Q

component found on only gram positive bacteria

A

teichoic acid

17
Q

Pseudomonas

gram __, __
non __
oxidase __

odor of __, color is ___

produces \_\_ for shock
\_\_ inactivates EF2
\_\_ degrades cell membranes
\_\_ generates ROS
mucoid \_\_\_

can result in E, D, O, O
may be associated w skin infections like ___

A

neg rod, aerobic
lactose fermenter
positive

grapes, blue/green

endotoxin
exotoxin a
phospholipase C
pyocyanin
polysaccharide capsule

ecythema gangrenosum, diabetes, osteoporos, OE
hot tub folliculitis

18
Q

bacterium does not produce superoxide dismutase, catalase, peroxidase

type of organism

A

anaeorbe

19
Q

type of malaria that can cause latent infection

A

P ovale/vivax

20
Q

infection w enterovirus D68, outermost structure is __ produced in __ of host cell

A

capsid, cytoplasm