Antiprotozoans Flashcards
medical parastiology doesnt refer to
bacteria viruses, fungi
host
person or animal infected by parasite
vector
agent of transmission, the way the disease is spread
resevoir
a place or animal that harbours the parasite when its not in a human
zoonoses
disease aquired from other animals, usually other vertebrates
trichomoniasis is an STD caused by
Trichomonas Vaginalis
symptoms of trichomoniass
cervical discharge, itching, and sexual discomfort
How does the trichomonas parasite divide?
longitudinal binary fission
what is used to treat trichomoniasis
metronidazole
Toxoplasmosis is caused by the parasite…, its an example of a …. infection, with the main resevoir being … and its spread by (2)
toxoplasma gondii
zoonotic
cats
accidental ingestion of cat faeces or undercooked meat
symptoms of toxoplasmosis
flu-like
muscle and lymph gland pain
in severe cases, may enter tissues and cause damage to brain and other organs
how is toxoplasmosis usually diagnosed
serology
Acanthomoeba is linked to wearing … and mostly affects which part of the body?
contact lenses
cornea
diagnosis of acanthamoeba
corneal scrapings or lens care kit
enterobious vermicularis (threadworm) is a …. …. infection caused by …., it resides mainly in the terminal … and the female lays eggs in the
parasitic intestinal
enterobious vermicularis
intestine
folds of skin around anus
Threadworm (EV) symptoms include (2)
most commonly found in who?
itching
restless sleep
school age children
diagnosis of threadworm:
sellotape slide method
eggs of threadworm have a characteristic…
D-shape
treatment of threadworm is 2 doses of
mebendazole
Cryptosporidium is a parasitic … infection, found particuarly in … areas. …. are thought to be major resevoir, major symptoms include,
GI
rural
farm animals
diarrhoea, dehydration, weight loss, nausea
How is cryptosporidium diagnosed?
visualing parasite in faecal sample, on stained slide or wet prep
Giardiasis is a … infection caused by… .Found in …., …. can act as resevoirs, symptoms include …., most outbreaks linked to…
GI Giardia lamblia animals nausea, abdominal cramping contaminated water source.
Diagnosis of giardiasis:
visualition of cysts and trophozoites in faeces
Giardia cysts can resist…
chlorination
Naegleria: what is the human pathogen?
N. Fowleri
N. Fowleri is found where
warm masses of fresh water
name infection caused by N. Fowleri
primary amoebic meningoencephalitis
Initial symptoms of PAM:
later symptoms of PAM:
Disease rapidly progresses to …, then …
nausea, vomiting, fever, photophobia, stiff neck
confusion, seizures, hallucinations, loss of bodily functions
coma, death
clinical symptoms of pork tapeworm:
nausea
weightloss
malnutrition
diagnosis of tapeworm
observation of egg or adult worm segments in faeces