Blood Parasites Flashcards
Trypanosoma cruzi parasites host which organism?
Vectorborne transmission. The insect vectors are called triatomine bugs (or “kissing bug”).
Chagasi disease is caused by which Trypasonoma parasite?
Trypasonoma cruzi
Sleeping sickness (trypanosoma brucei) are transmitted by the bite of the ……..
tsetse fly
……………., the swelling of the child’s eyelid, is a marker of acute Chagas disease. Swelling is due to Trypanosoma cruzi infecting the eyelid when bug feces are accidentally rubbed into the eye.
Romaña’s sign
Old world leishmania is called:
New world leishmania is called:
Phlebotomus
Lutzomia
What is the infectious state of leishmania?
Promastigote(can’t be seen under microscope)
The mosquito called ………….., carries the parasite …………, which transmits the disease known as Malaria
Anopheles
Plasmodium
Who are the victims of leishmania?
Humans and dogs
What are the treatment for visceral and cutaneous leishmania
Visceral leishmania: liposomal amphoterici B
Cutaneous leishmania: pentamidine
What are the 2 bugs that transmit Trypanosoma?
1) Tsetse bug: causes T.b. gambiense and T.b. Rhodesiense
2) Triatomine bug(Trypanosoma cruzi parasite) :causes Chagasi
Elephantiasis-Lymphatic Filariasis disease is transmitted by which vector?
Anopheles mosquito
Anaplasmosis is a tickborne disease caused by the bacterium ……………
Anaplasma phagocytophilum.
Which disease causes same symptoms as Lyme disease (rash)
Anaplasmosis
Yellow fever has 3 transmission cycles, which ones carry flavivirdae between nonhuman primate and mosquito(Aedes) and which ones are between humans and mosquitos(Aedes)?
Jungle(sylvatic) and intermediate(Savannah) are between nonhuman primate and mosquito(Aedes)
-Urban cycle carries flavivirdae between human and mosquito
What is the symptom for yellow fever?
bradycardia in relation to the elevated body temperature (Faget’s sign)
What is the severe form of the yellow fever disease?
Jaundice(icterus) and hemorrhage
Which live attenuated vaccine is an exception and can be administered to pregnant woman?
Yellow fever vaccine
Dengue has 4 types of serotype viruses, Does infection with one serotype protect against future dengue infections with the
other serotypes?
No. secondary infection by other serotypes increase the risk of developing severe dengue
What is the alternative name for Dengue?
Breakbone fever
During which phase of the dengue infection does BIPHASIC fever occurs?
Febrile phase (1st phase)
Which illness does flushed skin occur?
Dengue
During which phase of dengue virus does fever stop and blood supply to vital organs decrease?
Critical phase
During which phase of the dengue fever does itching, slow heart rate and fatigue occur?
Recovery phase
There are no treatment for dengue virus, but vaccine may be given to whom?
vaccine only be given to persons with confirmed prior dengue virus infection.
