Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
98 Cards in this Set
- Front
- Back
what organism is assoc w/ megalobastic anemia
|
diphyllobothrium latum
|
|
what is the most serious form of tinea capitis, which results in permanent hair loss and is higly contagious
|
tinea favosa
|
|
what are the first intermediate hosts for trematodes
|
snails
|
|
what are the four capsular polysaccharides used in the neisseria meningitides vaccine
|
Y,W-125, C and A
|
|
what is the only encapsulated fungal pathogen
|
cryptococcus
|
|
what type of spore is asexual and formed of hyphae
|
conidia
|
|
what is the only plasmodium that is quartan
|
plasmodium malaria
others are tertian |
|
1. red pigmentation
2. black-gray pigmentation 3. pyocyanin (blue-green) 4. yellow pigmentation |
1. serratia
2. corynebacterium diphtheria 3. pseudomonas 4. staph a |
|
what capsular serotype is assoc w/ e.coli-induced meningitis
|
K1 capsule
|
|
what two Ags must be pos for a patient to have chronic active hepatitis
|
HBsAG
HBeAG |
|
t or f
all strep are catalase neg |
t
|
|
in what trimester is the fetus most vulnerable to congenital rubella syndrome
|
first trimester
|
|
what virus causes hoof and mouth disease
|
vesicular stomatitis virus
|
|
which gram neg diplococcus growns on chocolate agar? thayer martin medium?
|
meningococcus on chocolate
gonococcus on Thayer-Martin |
|
which protozoal parasitic vaginal infection produces a pos whiff test with KOH staining?
tx? |
trichomonas vaginalis
metronidazole |
|
what fungus is urease pos
|
cryptococcus
|
|
what bacterium has large boxcar shaped gram pos rods and is sporeforming, aerboic, and assoc with cutaneous inf and woolsorter's disease
|
bacillus anthracis
|
|
is the salk polio vaccine inactivated
|
yes
|
|
t or f
all neg sense RNA viruses are enveloped |
t
they all have helical nucleocapsids and virion-assoc polymerases |
|
what urease-pos non-lactose fermenting gram neg rod with swarming type motility is assoc with staghorn renal calculi
|
proteus
|
|
with what two viruses are Reye's syndrome asssoc
|
varicella
influenza |
|
which organism releases endotoxins prior to cell death
|
neisseria meningitidis
|
|
clue cells are assoc with which organism that causes vaginal discharge
|
gardnrella vaginalis
|
|
what is the name of the bullet-shaped virus
|
rhabdovirus
|
|
what fungus is characterized by india ink staining of the CSF that produces colorless cells with a halo on a black background
|
cryptococcus neoformans
|
|
what does hepatitis D virus need from hep B virus to be infective
|
HBsAG as its envelope
|
|
which type of hep is a calicivirus
|
HEV
|
|
what genus is kown as the smallest free living bacteria
|
mycoplasma
|
|
what three organs can be affected by trypanosoma cruzi
|
heart esophagus colon
-cardiomegaly megaesophagus megacolon |
|
which serotypes of HPV are assoc with plantar warts
|
1 and 4
|
|
what facultative gram neg anaerobic rod is motile, fermetns lactose, and is the MCC of UTIs
|
e. coli
|
|
what is the only ds RNA virus
|
reovirus
|
|
what are the four segmented RNA viruses
|
Bunyavirus
Orthomyxovirus Reovirus Arenavirus (BORA) |
|
what type of plasmodium affects
1. only mature RBCs 2. ony reticulocytes 3. RBCs of all ages |
1. plasmodium malaria
2. plasmodium vivax 3. plasmodium falciparum |
|
what is the major cell membrane sterol found in fungi
|
ergosterol
|
|
what Ab is an indicaction for low transmissibility for hepatitis
|
HBeAb
|
|
what is the term for RNA dep DNA pol
|
reverse transcriptase
|
|
which gram pos bacteria infection of infancy is assoc w/ ingestion of honey
|
clostridium botulinum
|
|
which trematode is assoc with bladder carcinoma in Egypt and AFrica
|
schistosoma haematobium
|
|
which encapsulated fungus is found in soil enriched with pigeon droppings
|
cryptococcus neorformans
|
|
what virus lies dormant in the...
1. trigeminal ganglia 2. dorsal root ganglia 3. sensory ganglia of S2 and s3 |
1. herpes I
2. varicella 3. herpes II |
|
what is the name of the exotoxin shigella dysenteriae produces, which interferes with the 60S ribosomal subunit and results in eukaryotic protein synthesis inhibition
|
shiga toxin
EHEC produces vero toxin |
|
what protozoal parasite forms flasked-shaped lesions in the duodenum, is transmitted via fecal oral route, and is commonly seen in campers who drank stream water
|
giardia lamblia
tx metronidazole |
|
what color do fungi stain w/ PAS?
silver stain? |
hot pink w/ PAS and grey to back with silver stain
|
|
a tropical fish enthusiast has granulomatous lesions and cellulitis
|
mycobacterium marinum
|
|
which dimorphic fungus is found as arthroconidia in desert sand of the southwester US
(San Joaquin valley) |
coccidioides inmitis
|
|
which mycoplasma spp is assoc w/ urethritis, prostatitis, and renal calculi
|
ureaplasma ureatlyticum
|
|
what tick is the vector for babesiosis
|
ixodes
also for Lyme |
|
what is the only DNA virus that does not replicate its DNA in the nucleus of the host cell
|
poxvirus replicates in the cytoplasm
|
|
what organism would you suspect in a patient with diarrhea after eating rice
|
bacillus cereus
|
|
what small gram neg facultative intracellular rod is transmitted to human host by dermacentor tick bite
|
francisella tularensis
|
|
t or f
cestodes have no GI tract |
true
|
|
what neg sense RNA virus is assoc with parotitis, pancreatitis, and orchitis
|
mumps
|
|
what is the size of a pos PPD test for
1. IV drug user 2. patient with AIDS 3. recent immigrant 4. healthy suburban male without any medical illnesses 5. posttransplantation patient on immunosuppressive drugs |
1. >10 mm
2. >5 3. >10 4. >15 5. >5 |
|
what are the only two picornavirus that do not lead to aseptic meningitis
|
rhinovirus and HAV
|
|
which cestode in raw or rare beef containing cysticerci results in intestinal tapeworms
|
taenia saginata
|
|
what DNA viral diseae is assoc w/ aplastic crisis in patients with sickle cell anemia
|
parvovirus B19
|
|
what glycoprotein in the HIV virus attaches to CD4
|
gp120
|
|
what enterobacteriaceae are prone to produce osteomyelitis in sickle cell patients
|
salmonella
|
|
what organism is commonly assoc w/ a cellulitis from an animal bite
|
pasteurella mutocida
|
|
what fungus is seen as colored cauliflower lesions
|
chromomycosis
|
|
what is the reservoir for the togavirus
|
birds
|
|
what are the two exceptions to the rule "all cocci are gram pos"
|
both neisseria and moraxella are gram neg
|
|
what nematode isknown as hookworms? what is the tx?
|
necator americanus is tx with mebendazole and iron therapy
|
|
what HIV structural gene produces GP120 and GP41
|
env structural protein
|
|
which hemoflagellate spp causes kala azar
|
leishmania donovani
|
|
what dna virus is assoc w/ heterophile neg mononucleosis
|
CMV
|
|
what neg sense RNA virus is assoc with intracytoplasmic inclusion Negri bodies
|
rabies
|
|
what large, spore forming gram pos anaerobic rod is assoc with infections due to puncture wounds and trauma
|
clostridium tetani
|
|
what is the vector for chagas
|
reduviid bug
|
|
what is the polariity of a pos sense RNA
|
5'-3' (it can serve as mRNA)
|
|
what viral infection is associated with black vomit
|
yellow fever (flavivirus)
|
|
what encapsulated gramneg lactose fermenting rod is assoc with pneumonia in patients with alcoholism , diabetes, and chronic lung diseaes
|
klebsiella
|
|
what is the essntial reservoir host for toxoplasma gondi
|
cat
|
|
what gram pos anaerobic rod with branching filaments is a component of the nl flora of the mouth and female gentital tract and is responsible for draining abscesses with sulfur granules in the exudates
|
actinomyces israelii
|
|
what is the term for candida infection of the oral mucosa
|
thrush
|
|
what is the term for fungi that an convert from hyphal to yeast forms
|
dimorphic
|
|
to what viral family does the polio virus belong
|
picornaviridae
|
|
name at least three bacteria that use capsules to prevent immediate destruction from the host's defense mechanism
|
streptococcus pneumonia
klebsiella pneumonia h. influenza pseudomonas aeruginosa neisseria meningitidis cryptococcus neoformans |
|
t or f
there are no persistent infections with naked virus |
t
they lyse the host cell |
|
what virus is assoc w/ progressive multifocal leukoencephalophaty
|
JC virus
|
|
what bacterium is a gram neg oxidase pos aerobic rod that produces a grapelike odoer and pyocyanin pigmentation
|
pseudomonas aeruginosa
|
|
which three organisms cause heterophilic negative mono
|
CMV
toxoplasma gondii listeria |
|
what bacterium found in poorly preserved canned food causes flaccid paralysis
|
c. botulinum
|
|
which two neg sense RNA viruses ahve neuraminidase enzymes
|
mumps and influenza
|
|
what staph a. protein inhibits phagocytosis
|
protein A
|
|
which four bacteria require cysteine for growth
|
pasteuralla
brucella legionella francisella |
|
what fungus causes endocardidtis in IV drug users
|
candida albicans
|
|
what virus are assoc with Cowdry type A intranuclear includsion
|
Herpes I and II
|
|
which streptococcal spp is assoc w/ dental caries and infective endocarditis
|
strep viridans
|
|
what is the term for cestode-encysted larvae found in intermediate hosts
|
cysticerci
|
|
what fungus is characterized by hypopigmented spots on the thorax, spaghetti and meatball KOH staining, and pityriasis or tinea versicolor
tx? |
malassezia furufur
tx w/ selenium sulfide |
|
what nematode is known as threadworms?
what is the tx? |
strongyloids stercoralis
thiabendazole |
|
what are kown as jumping genes
|
transposons
|
|
which dimorphic fungus is endemic in ohio, mississippi, missouri, and easter great lakes, is found in soil with bird and bat feces, and is assoc w/ infections in spelungers and chicken coop cleanerrs
|
histoplasma capsulatum
|
|
which of the following enterobacteriaceae family members- yersina, klebsiella, enterobacter, escherichia, proteus, and citrobacter, do not ferment lactose?
|
all do except yersinia and proteus
|
|
what two HIV regulatory genes down-regulate MHC class I exprssion
|
nef and tat
|
|
what size ribosomes do fungi have
|
80S (eukaryotes)
|