parasitic infections in blood and lymphatics (buxton) 1 hour (3 questions)

Question 1

Protozoans causing disease of blood and lymphatics
1.
2.
3.

Answer 1

1. plasmodium sp.
2. babesia sp.
3. trypanSoma sp.

Question 2

Etiology of malaria

Answer 2

Plastmodium sp. (protozoan)

Question 3

plasmodium infects:

Answer 3

hepatocytes and rbi’s (intracellular parasite)

Question 4

what plasmodium species are infective to humans

Answer 4

p. vivax
p. ovale
p. malariae
p. falciparum

Question 5

95% of malaria deaths are due to

Answer 5

p. falciparum

Question 6

what stage of plasmodium is infective to humans

Answer 6

sporozoites

Question 7

what stage of plasmodium is infective to mosquito?(vector)

Answer 7

gametocytes

Question 8

Treatment of Malaria: Chloroquine-resistant P. falciparum

Answer 8

• Mefloquine
• Quinine+doxycycline or clindamycin
• Atovaquone+proguanil (=Malarone)

Question 9

Treatment of Malaria: Chloroquine-sensitive P. falciparum and P. malariae

Answer 9

Chloroquine

Question 10

Treatment of Malaria: P vivax and P. ovale

Answer 10

Chloroquine plus primaquine (for hypnozoite)

Question 11

Control/Prevention of Malaria:
1.
2.
3.

Answer 11

1. Mosquito Control: (Insecticides)
2. Avoid Mosquito Bites: (Repellents)(Bed nets)
3. Chemoprophylaxis (effective for travelers to an endemic area)