Micro KL Flashcards
Pneumocystis carinii is what kind of organism?
Fungi
DOC Giardiasis
Metronidazole
alt Quinacrine
DOC: Cryptosporidium
Nitazoxanide
DOC: Cyclospora
TMP SMX
DOC: Trichomoniasis
Metronidazole
DOC:
Hemolytic stage of Trypanosoma rhodiense
&
Late CNS stage
Suramin
Melarsoprol
DOC: Trypanosoma gambiense
Hemolytic and
Late CNS stage
Pentamidine
Eflornithine
DOC: Chargas
Benzimidazole
DOC: Leishmaniasis
Stibogluconate
DOC: Naegleria & Acanthamoeba
Amphotericin B
IV + Intrathecal
DOC: P vivax & ovale hypnozoites
Primaquine
DOC: P vivax & ovale in areas of LESS resistance
Chloroquine
Re-emergence of symptoms in malaria previously treated d/t REACTIVATION of hepatic hypnozoites
Relapse
V/O
Re-emergence of malaria symptoms in patients previously asymptomatic d/t decreased immune response with no prior treatment
Re-crudescence
F/M
DOC: P falciparum
Artemether
lumefantrine
DOC: Toxoplasma
Sulfadiazine +
Pyrimethamine
Only common protozoan pathogen found in the duodenum and jejunum of humans causing diarrhea
G lamblia
After ingestion of contaminated food or water, patient had watery greasy bulky, foul-smelling stool. probably d/t
Giardiasis
Lateral spread or invasion of amoebae in the intestine produces this characteristic histological finding
Flask shaped lesions
MC extra-intestinal amebic infection
Amebic liver abscess
Description of amebic liver abscess after drainage
Anchoby paste
MC misdiagnosed non-pathogenic amebic species
Entamoeba dispar
MC source of spread of amebic infections
Asymptomatic cyst passers
DOC for Asymptomatic amebic cyst passers
Diloxanide furoate
Unilateral swelling of the eyelids in Chagas disease
Romana’s sign
MC serious condition or complication in Chagas disease
Interstitial myocarditis
Children swimming in ponds develop progressive headache, fever, nuchal rigidity, n/v, disorientation. Causative agent:
Naegleria fowleri
Organism implicated in CNS infections d/t contaminated contact lens washing solution
Acanthamoeba
Infective stage of plasmodium transmitted from bite of anopheles mosquito
Sporozoites
Merozoites are released every 72 hours from lysed RBCs in this particular plasmodium species
P malariae
COarse stippling found in blood smears in patients with falciparum malaria
Maurer’s clefts/dots
Plasmodium species involved when only ring forms and gametocytes are found in the peripheral blood smear
Falciparum
Plasmodium that parimarily invades OLDER RBCs
P malariae
Form or variant of malaria with predominant GI manifestations like vomiting and bloody diarrhea
Algid malaria
Species implicated in cerebral malaria d/t cyto-adherence
Falciparum
Species of plasmodium associated with nephrotic syndrome in children
P malariae
Term used to describe severe falciparum malaria with RBC hemolysis causing ATN giving bloody dark urine
Blackwater fever
All forms of malaria can be transmitted via these routes except: A. Transplacental B. Blood transfusion C. Needle stick D. Sexually
Sexually
Most helminths do NOT multiply asexually in humans except
E granulosus
Only intracellular helminth causing infection in humans
Trichinella inside muscle (nurse cell)
Parasite implicated in nocturnal perianal pruritis
Enterobius vermicularis
Method of Dx for nocturnal perianal prutitus (E vermicularis)
Scotch tape test
DOC for pinworm infection
Pyrantel pamoate
alt mebendazole
DOC for trichuriasis/whip worm
Mebendazole
alt albendazole
DOC for ascariasis
Mebendazole or albendazole
DOC for hookworm infection
Mebendazole or albendazole
DOC for strongyloides
Ivermectin
alt albendazole
DOC: trichinella
Albendazole
DOC: for cestodes infections
Praziquantel
DOC: Filariasis
Di-ethyl-carbamazine dec
DOC: Onchocerca
Ivermectin
DOC: Dracunculus medinensis
Physical manual extraction via stick/surgical
DOC: Fasciola hepatic
Triclabendazole/bithionol
DOC: Flukes
Praziquantel
DOC: Hydatid disease
Albendazole/surgical
Neuro-cysticercosis is caused by ingestion of what infective stage of Taenia solium
Eggs
Syndrome from larvael migration causing cough, eosinophilia, pulmonary infiltrates
Loeffler’s syndrome
Intesnse erythema pruritus after hookworm penetration on the skin
Ground itch
Parasite capable of producing hyperinfection, re-infection, auto-infection, where females are parthenogenic
Strongyloides
Cestode infection associated with B12 deficiency
D latum
Infective stage of D latum to man
Plero-cercoids
Term to characterized the predominant presence of micro-filariae at night in blood of patients
Nocturnal periodicity
Second intermediate host of fasciola hepatica
Water cress
2nd intermediate host of schistosoma
NONE
hahahhaha GOT YOU !
Prodrome symptoms of of headache, fever, chills, diarrhea, eosinophilia AFTER schistosoma infection
Katayama fever
Schistosoma spp whose egg contains a lateral spine
S mansoni
Itchy rash shortly after schistosomal cercariae penetrate into the skin
Swimmers’ itch
Predominant cause of pathology in schistosomiasis
Entrapment of eggs in organs and vascular system
What is the FINAL host of Echino-coccus granulosus
Dogs
Schistosoma prevalent in areas in the Philippines EXCEPT
- Mindoro
- Sorsogon
- Leyte
- Mindanao
- Ilocos
Ilocos
Protozoan notorius for causing sexually transmitted infections associated with yellowish, copious, foul-smelling discharge
Trichomonas vaginalis
Schistosoma spp that live in mesenteric veins
S mansoni and japonicum
De-worming was done by giving mebendazole in a barangay. Which of the ff helminths will NOT be covered?
- Trichuris
- Ascaris
- Hookworms
- Trichinella
- E vermicularis
Trichinella
Parasite with golden barrel shaped eggs with bipolar plugs
Trichuris
Congential protozoal infection causing IURG
Toxoplasmosis
DxOC in asymptomatic patients with suspected amebic liver abscess
Eia antibody detection
DxOC for differentiating pathogenic and non-pathogenic amoebae adjunct to microscopy
Stool antigen test
Helminth mostly associated with human hookworm infections
- Necator
- Echino-coccus
- Toxocara
- Ancylostoma
- Uncinaria
Necator
2nd intermediate host of the Oriental Lung fluke
Crabs
String test can be used to diagnose which 2 parasitic infections
Strongyloides and giardiasis
COPT test is used to Dx which of the ff infections
- Ameba
- Giardiasis
- Strongyloides
- Schistosoma
- Schistosoma
Filariasis causes swelling in what areas on women
Legs
Breasts
Arms
A person with Asx infection that can be transmitted to another person
Carrier
Ability of an infectious agent to cause disease
Pathogenicity
Quantitative ability of an agent to cause disease even in small numbers
Virulence
Unique capsule of Bacillus anthracis
Poly-D glutamic acid capsule
Infection initially starting as pruritic papule that changes rapidly to a vesicle, ulcerates, leaving a black eschar, also causes mediastinal hemorrhage and sepsis
Anthrax
DOC for anthrax
Ciprofloxacin
Bacteria assocaited with diarrrhea, vomiting after ingestion of re-heated fried rice, contaminated meat/sauces
Bacillus cerus
All of the ff conditions are caused by clostridia EXCEPT
- Botulism
- Tetanus
- Gas gangene
- Pseudomembranous colitis
- Necrotizing fasciitis
Necrotizing fasciitis
Toxin that cleaves SNARE proteins such as snap 2, syntaxin and synaptobrevin
Botulinum toxin
After ingestion of canned goods, sudden onset of dysphagia, speech difficulty, muscle incoordination
Botulism
What toxin cleaves synaptobrevin inhibiting inhibitory neuron release or firing
Tetanus toxin
Most important aspect in the treatment of C perfringens myonecrosis or infection
Surgical debridement
All of the ff describe Clostridium spp EXCEPT
- Gram + cocci
- Anaerobic
- Ferments carbohydrates and digest proteins
- Terminal endospores
Gram + Bacilli
Bacterium with deeply staining meachromatic granules giving a beaded appearance
C diphtheriae
Exo-toxing that can inhibit EF-2 by ADP ribosylation is produced by which 2 organisms
Pseudomonas
C diphtheriae
Bullneck, grayish pseudomembrane, myocarditis, ATN, demyelination describe
Diphtheria
Early onset perinatal disseminated listeria infection causing sepsis, pustules and granulomas in multiple organs
Granulomatosis infantiseptic
DOC for Listeria infection
Ampicillin and
Gentamicin
DOC for CNS listeria who is allergic to penicillin
TMP SMX
Catalase +
Coagulase +
Gram + Cocci producing yellowish colonies
S aureus
Resistance to methicillin by S aureus is mediated by what mechanism
Chromosomal gene causing altered penicillin binding proteins
Toxin of S aureus able to lyse WBC and acts as importance virulence factor
Panton valentine leukocidin
Toxins implicated for staphylococcal scalded skin syndrome
Exfoliative toxins
Prototypcial super antigen
TSST-1
Gram + Cocci Novobiocin R Catalase + Coagulase - Etiologic agent of UTI
S saprophiticus
Causative agent known to cause prosthetic infections by forming biofilms
coagulase -
catalase +
S epidermidis
5th generation cephalosporin with coverage for MRSA
Ceftaroline
Drug used to eradicate nasal carrier state of S aureus
Rifampin
MC bacteria implicated in neonatal sepsis
S agalactiae
MC implicated bacteria in dental carries
S mutans
Optochin R strep species implicated in endocarditis esp with previously damaged heart valves
Viridans strep
Bacitacin S
PYR+
strep causing significant human dse
S pyogenes
Bacitracin R strep
CAMP +
Beta hemolytic
S agalactiae