micro1 uworld

Question 1

primary treatmten for diphtheria

Answer 1

diphtheria antitoxin (passive immunization): preformed neutralizing antibodies

Question 2

neurocysticercosis for toxoplasmosis

Answer 2

think toxoplasmosin in HIV pt; ring enhanicng lesion

neurocysticercosis: in central and south america; seizures

Question 3

alcoholics

pneumonia

Answer 3

klebsiella

Question 4

acid fast stain: invoolves carbolfuschin

Answer 4

true; failure to decolorize:m mmycolic acid

Question 5

primary resevoir of rabiest t

Answer 5

US: bats, raccoons, skunks

developing world : dogs

Question 6

post expsoure prophylaxisi for rabies

Answer 6

inactivated vaccine

Question 7

where is mucorycoses located

Answer 7

mucosal biopsy in nasal cavity

Question 8

serologic testing for ABPA bc

Answer 8

increased titers of Ige and ab to aspergillus fumigatus

Question 9

staph aureus vs neiserria gonorrhea septic arthitist

Answer 9

staph: most common; but linkned to iv drug use

neisseria; sexually active

Question 10

E coli vs enterobacter clocae

Answer 10

e coli: indole positve (ability to convert tryptophan to indole); unlike neterobacter cloacae

Question 11

Rotavirus vs norovirus

Answer 11

rotavirus in developing countires

Question 12

subsequent progeny does not retain these traits

Answer 12

phenotypic mixing

Question 13

2 segmented virsues exchange whole genome segments

Answer 13

reassortment

Question 14

nonsegmneted double stranded DNA genomes; exchange of genes bw 2 chromosomes via crossing over; progeny exhibits traits

Answer 14

recombination

Question 15

in reassoremtnet, progeny

Answer 15

genomic change presnt in progeny

Question 16

mefloquine is inactivated in liver , thus has no

Answer 16

efficacy against hepatic schizonts

Question 17

best diagnositc test for trichomonas

Answer 17

wet saline microscopy