Parasitology Flashcards
Organism responsible for watery, foul smelling, greenish vaginal discharge accompanied by itching and burning Strawberry cervix
Trichomonas vaginalis
Most common cause of chronic diarrhea in patients with HIV
Cryptosporidium parvum
Only ciliated protozoan to cause human disease and what is this disease?
Balantidium coli Balantidial dysentery
Most common tapeworm in developed countries Has polar filaments and six-hooked larva
Hymenolepsis nana
Province in Mindanao not affected by Schistosomo japonicum
Misamis Oriental
Intermediate host of Schistosoma japonicum
Snail Oncomelania hupensis quadrasi
Intermediate host of Paragonimus Westermani
Snail (Antemelania asperata) Mountain crab (Sundathelphusa philippina)
Most common and largest intestinal nematode Sometimes referred to as pencil size worm
Ascaris lumbricoides
What is the common and scientific name of the organism that cause pruritus of scalp or trunk; nits seen on hair shaft?
Lice (Pediculus humanus)
What is the common and scientific name of the organism that cause pruritus in pubic area; nits seen on hair shaft?
Lice (Phthirus pubis)
What is the common and scientific name of the organism that cause pruritic, painful, and erythematous nodule; larva may be seen emerging from nodule?
Flies (Dermatobia hominis)
What is the common and scientific name of the organism that cause pruritic, erythematous wheal?
Bedbugs (Cimex lecturalius)
What is the common and scientific name of the organism that cause pruritic, erythematous papules, and linear tracks
Mites (Sarcoptes scabei)
What is the common and scientific name of the organism that cause ascending paralysis?
Ticks (Dermacentor)
Zoonotic roundworms Ingested in raw seafood Causes eosinophilic gastroenteritis
Anisakis simplex
Most common cause of parasitic meningitis Eosinophilic meningitis Transmitted in undercooked seafood
Angiostrongylus cantonensis
Dog and cat hookworm that cause creeping eruptions (cutaneous larva migrans)
Ancylostoma caninum Ancylostoma braziliense
Visceral larva migrans Ocular larva migrans Uveitis Endophthalmitis
Dog ascaris (Toxocara canis)
Transmitted when copepods are swallowed in water Findings: Live worm in skin ulcer and pruritic painful papule
Guinea fire worm (Dracunculus medinensis)
Characterized by Subcutaneous edema (Calabar swellings) Worm crawling across the conjunctiva
Loa loa
Findings: Dermal nodules Hanging groin Lizard skin River blindness
Onchocera volvulus (Transmitted by female blackfly)
Process of living together of 2 unlike organisms
Symbiosis
One species benefits without harming/ benefiting the other
Commensalism
Both species benefit one another
Mutualism