Quarter 3, Med Micro, Test 1, Intro To Med Micro

Front 1

what is a deviant and disruptive protein that causes mad cow disease

Back 1

prions

Front 2

what type of bacteria have lost the free living ability

Back 2

degenerate bacteria

Front 3

which organisms are considered to be resistant organisms

Back 3

spores, prions, and high microbial burden

Front 4

what process involves the total destruction of all microorganisms

Back 4

sterilization

Front 5

what has is a toxic alkylating agent used for sterilizing heat snesitive materials, however, toxic or mutagenic by-products must be dissipated to prevent mutagenesis

Back 5

ethylene oxide gas

Front 6

which process involves the destruction of most organisms

Back 6

disinfection

Front 7

which process is used to kill most organisms on skin or in tissue, but spores not killed

Back 7

antisepsis

Front 8

as far as alcohol is concerned what percentage is a more effective antiseptic

Back 8

70%

Front 9

which compounds are effective against mycobacteria

Back 9

phenolic compounds

Front 10

which five processes are used in sterilization

Back 10

moist heat, dry heat, filtration, radiation, ethylene oxide gas

Front 11

which five things can be used as antiseptics

Back 11

alcohol, iodophors, chlorhexidine, phenolic compounds, quarternary ammonium compounds

Front 12

what type of test can be performed to identify antibiotic resistant bacteria

Back 12

diffusion test (Mueller-Hinton)

Front 13

Dilution tests can determine the ___ and is useful for treatment options

Back 13

MIC (minimum inhibitory concentration)

Front 14

the mechanism of mutation known as ___ results in frequent but subtle changes

Back 14

genetic drift

Front 15

some viruses can exchange genetic segments between strains abruptly, this is called...

Back 15

genetic shift

Front 16

in order for plasmid transformation to occur the cell must be...

Back 16

competent

Front 17

does conjugation occur more frequently in gram positive or gram negative cells

Back 17

gram negative

Front 18

a plasmid that is capable of integrating into the chromosome is called an...

Back 18

episome

Front 19

what is the mechanism involving illegitimate recombination for plasmid-borne genes to move and integrate into the host chromosome especially when facilitated by selective pressure

Back 19

trasposition

Front 20

which process occurs in the breakage and reunion of homologous regions of donor and recipient double stranded nucleic acid molecules that have been brought into close proximity following transformation, conjugation or transduction

Back 20

recombination

Front 21

the cross over point of homologous chromosomes undergoing recombination is called the...

Back 21

Holliday structure

Front 22

what process is the uptake of extracellular DNA by bacteria while competent

Back 22

transformation

Front 23

what process involves the transfering of genetic material by a virus from a donor cell that will infect a recepient cell

Back 23

transduction

Front 24

what type of transduction occurs when phage has a roughly equal chance of carrying any segment of the donor's chromosome

Back 24

generalized transduction

Front 25

what type of transduction occurs when a gene or a set of genes has a high frequency of transduction relative to the majority of genes on the bacterial chromosome

Back 25

specialized transduction

Front 26

how much normal flora would you expect to find in blood, lymph, CSF, synovial fluid, and sub-epidermal tissues

Back 26

none (sterile)

Front 27

which type of bacteria would you expect to find in a bottle fed baby

Back 27

enterobacter

Front 28

which type of bacteria would you expect to find in a breast fed baby

Back 28

bifidobacterium, lactobacillus, streptococcus

Front 29

which bacteria predominates in the gut

Back 29

bacteroides

Front 30

what bacteria is found in urogenital tract of menstruating females and is also restorative to normal flora

Back 30

lactobacillus acidophilus

Front 31

what type of relationship only benefits the host

Back 31

mutualistic symbionts

Front 32

what type of relationship neither benefits nor harms the host

Back 32

commensalists

Front 33

what type of relationship occurs where the bacteria will cause a disease given the chance

Back 33

opportunists

Front 34

what type of relationship occurs where only one species in the relationship benefits

Back 34

parasitic relationship

Front 35

What do you find in the lab work for falciparum malaria?

Back 35

Blood smears with organisms inside RBC, falciparum ring form and gametocytes (banana shape)