Parasite documentary Flashcards
a) What is Ulcerative colitis (UC)
b) what are the common symptoms?
a) Disease of intestine. Cause by I.sys. attacking the gut thinking it’s foreign.
b) Cause pain & cramp, diahorrhea.
What are the typical treatments provided for sufferers of UC?
Anti-inflammatory Drugs (e.g. aminosalicilates)
What is helminth therapy and what is the relationship to UC?
Drink w/ whipworm eggs (new treatment). Attach to innerlining of intestines= dampen the response of I.sys
a) What is Lassa fever,
b) what is the mode of transmission and
c) what are the symptoms?
a) Lassa virus.
b) Transmission: rats in west Africa. Contamination or rat to human contact
c) Symptoms: Bleeding internally: eyes, organs
What is a vector in reference to transmission?
Carries infective form of a parasite
a) Which organism is responsible for causing the plague?
b) symptoms
a) Yersinia pestis causes Dubonic plague (black death).
b) Fever, muscle aches, Flu-like symptoms. Swelling in groin & armpit.
How is the plague transmitted?
Fleas on rats
Which disease is the tsetse fly known to spread? Where is the disease most prevalent
Sleeping sickness caused by Trypanosome (protozoa). prevalent in Africa
What is dracunculiasis and how does it spread?
Guinea worm spread by Drinking infected water.
What are the signs and symptoms of dracunculiasis
Burning sensation as a result of release of eggs -> go to water to soothe pain => release eggs in water
Who is most at risk for infection for GWD (Guinea Worm Disease)?
Youth & elderly? drinking infected & contaminated water
How is toxoplasmosis spread?
Cats faeces & picked up by rats. Toxoplasma manipulate to go near cat. Humans get toxoplasma by eating undercooked meat
a) How do the species of Leshmania spread?
b) Where is it distributed in the world
a) Leshmania parasite (protozoan) spread by Sand fly bite
b) tropics and subtropics: south Europe, South america, East & north Africa
a) treatment for malariae
b) consequence if left untreated
a) Quinine
b) kidney failure, death
what’s one virulence feature of Trypanosome
can change its coat so WBC can’t recognise it
