parasites classifications

Question 1

intestinal protozoa that cause diarrhea:

Answer 1

• Entamoeba histolytica
• Giardia lamblia
• Cryptosporidium
• Isospora and cyclospora

Question 2

fecal oral route

Answer 2

• Entamoeba histolytica
• Giardia lamblia
• Cryptosporidium
• Isospora and cyclospora

Question 3

protozoan infections in AIDs pts

Answer 3

Cryptosporidium
isospora
Toxoplasma gondii
Pneumocystis carinii (P. jiroveci)

Question 4

can cross the placenta

Answer 4

toxoplasma gondii

Question 5

blood borne flagellates

Answer 5

Leishmania and trypanosome ( rhodesiense, gambiense, cruzi) balantidum coli

Question 6

free living meningitis causing amoebas

Answer 6

• Naegleria fowleri
• Acanthamoeba
• Balamuthia mandrillaris

Question 7

protozoa of malaria

Answer 7

Plasmodium falciparum, plasmodium vivax, plasmodium ovale, plasmodium malariae, and plasmodium knowlesi.

Question 8

malaria bugs that remain dormant in the liver

Answer 8

P. vivax and P. ovale

Question 9

2 malaria bugs that cause severe clinical manifestations

Answer 9

o P. falciparum (brain and kidney)

o P. Knowlesi

Question 10

Leishmania:

Answer 10

tropica, chagasi, major, braziliensis, donovani

Question 11

sexually transmitted protozoan

Answer 11

trichomonas vaginalis

Question 12

nematodes

Answer 12

intestinal:

• Ascaris lumbricoides
• trichuris trichiura (whipworm)
• enterobius vermicularis (pinworm).
• Necator americanus (hookworm)
• strongyloides stercoralis.
• Trichinella spiralis (esp from pork)

blood and tissue:

• Onchocerca volvulus
• Wuchereria bancrofti and brugia malayi
• Dracunculus medinensis (guinea worm)

Cutaneous larval migrans

Question 13

intestinal nematodes

Answer 13

• Ascaris lumbricoides
• trichuris trichiura (whipworm)
• enterobius vermicularis (pinworm).
• Necator americanus (hookworm)
• strongyloides stercoralis.
• Trichinella spiralis (esp from pork)

Question 14

blood and tissue nematodes

Answer 14

• Onchocerca volvulus
• Wuchereria bancrofti and brugia malayi
• Dracunculus medinensis (guinea worm)

Question 15

Nematodes Acquired by the ingestion of eggs

Answer 15

Ascaris lumbricoides, trichuris trichiura (whipworm), and enterobius vermicularis (pinworm).

Question 16

Nematodes Acquired when the larvae penetrate the skin

Answer 16

Necator americanus (hookworm) and strongyloides stercoralis.

Question 17

Acquired when eating encysted larvae while eating meat

Answer 17

Trichinella spiralis (esp from pork)

Question 18

once in the lung, can be coughed up and swallowed to get into the intestinal tract

Answer 18

Ascaris lumbricoides, Necator americanus (hookworm), strongyloides stercoralis:

Question 19

intestinal enmatodes that not go into blood or lungs

Answer 19

trichuris trichiura (whipworm), and enterobius vermicularis (pinworm).

Question 20

platyhelminths (flatworms)

Answer 20

Trematodes (flukes)
-Schistosoma (blood flukes)

Cestodes (tapeworms)

• Taenia solium (pork tapeworm)
• Taenia saginata (beef tapeworm)
• Diphyllobothrium latum (fish tapeworm)
• Hymenolepis nana (dwarf tapeworm)
• Echinococcus granulosus and multilocularis

Question 21

Trematodes (flukes)

Answer 21

-Schistosoma (blood flukes)

Question 22

Cestodes (tapeworms)

Answer 22

• Taenia solium (pork tapeworm)
• Taenia saginata (beef tapeworm)
• Diphyllobothrium latum (fish tapeworm)
• Hymenolepis nana (dwarf tapeworm)
• Echinococcus granulosus and multilocularis