Blood Parasites

Question 1

Trypanosoma cruzi parasites host which organism?

Answer 1

Vectorborne transmission. The insect vectors are called triatomine bugs (or “kissing bug”).

Question 2

Chagasi disease is caused by which Trypasonoma parasite?

Answer 2

Trypasonoma cruzi

Question 3

Sleeping sickness (trypanosoma brucei) are transmitted by the bite of the ……..

Answer 3

tsetse fly

Question 4

……………., 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.

Answer 4

Romaña’s sign

Question 5

Old world leishmania is called:

New world leishmania is called:

Answer 5

Phlebotomus

Lutzomia

Question 6

What is the infectious state of leishmania?

Answer 6

Promastigote(can’t be seen under microscope)

Question 7

The mosquito called ………….., carries the parasite …………, which transmits the disease known as Malaria

Answer 7

Anopheles

Plasmodium

Question 8

Who are the victims of leishmania?

Answer 8

Humans and dogs

Question 9

What are the treatment for visceral and cutaneous leishmania

Answer 9

Visceral leishmania: liposomal amphoterici B

Cutaneous leishmania: pentamidine

Question 10

What are the 2 bugs that transmit Trypanosoma?

Answer 10

1) Tsetse bug: causes T.b. gambiense and T.b. Rhodesiense

2) Triatomine bug(Trypanosoma cruzi parasite) :causes Chagasi

Question 11

Elephantiasis-Lymphatic Filariasis disease is transmitted by which vector?

Answer 11

Anopheles mosquito

Question 12

Anaplasmosis is a tickborne disease caused by the bacterium ……………

Answer 12

Anaplasma phagocytophilum.

Question 13

Which disease causes same symptoms as Lyme disease (rash)

Answer 13

Anaplasmosis

Question 14

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)?

Answer 14

Jungle(sylvatic) and intermediate(Savannah) are between nonhuman primate and mosquito(Aedes)
-Urban cycle carries flavivirdae between human and mosquito

Question 15

What is the symptom for yellow fever?

Answer 15

bradycardia in relation to the elevated body temperature (Faget’s sign)

Question 16

What is the severe form of the yellow fever disease?

Answer 16

Jaundice(icterus) and hemorrhage

Question 17

Which live attenuated vaccine is an exception and can be administered to pregnant woman?

Answer 17

Yellow fever vaccine

Question 18

Dengue has 4 types of serotype viruses, Does infection with one serotype protect against future dengue infections with the
other serotypes?

Answer 18

No. secondary infection by other serotypes increase the risk of developing severe dengue

Question 19

What is the alternative name for Dengue?

Answer 19

Breakbone fever

Question 20

During which phase of the dengue infection does BIPHASIC fever occurs?

Answer 20

Febrile phase (1st phase)

Question 21

Which illness does flushed skin occur?

Answer 21

Dengue

Question 22

During which phase of dengue virus does fever stop and blood supply to vital organs decrease?

Answer 22

Critical phase

Question 23

During which phase of the dengue fever does itching, slow heart rate and fatigue occur?

Answer 23

Recovery phase

Question 24

There are no treatment for dengue virus, but vaccine may be given to whom?

Answer 24

vaccine only be given to persons with confirmed prior dengue virus infection.