Organism Pictures

Question 1

Infection by this organism can occur at any age and may infections are symptomatic. Spread by soil or contaminated food. Eggs are resistant to chemical disinfection and survive for months in sewage.

Answer 1

Ascaris lumbercoides ova

Question 2

Infection by this organism can occur at any age and may infections are symptomatic. Spread by soil or contaminated food. Eggs are resistant to chemical disinfection and survive for months in sewage.

Answer 2

Ascaris lumbercoides ova

Question 3

This organism is found in the gastrointestinal tract of animals and causes diarrhea by contaminated food and water. Cause of large outbreaks. No approved treatment.

Answer 3

Cryptosporidium parvum

Question 4

This organism is found in the gastrointestinal tract of animals and causes diarrhea by contaminated food and water. Cause of large outbreaks. No approved treatment.

Answer 4

Cryptosporidium parvum

Question 5

This is a fish tapeworm an is associated with eating raw or improperly cooked fish. Longest tapework found in man. Associated with B12 deficiency. Drug of choice: Praziquantel.

Answer 5

Diphyllobothrim latum

Question 6

This is a fish tapeworm an is associated with eating raw or improperly cooked fish. Longest tapework found in man. Associated with B12 deficiency. Drug of choice: Praziquantel.

Answer 6

Diphyllobothrim latum

Question 7

Causes amoebic dysentary in people with poor hygene. Diagnosed by standard O&P exam.

Answer 7

Entamoeba histolytica cyst

Question 8

Causes amoebic dysentary in people with poor hygene. Diagnosed by standard O&P exam.

Answer 8

Entamoeba histolytica troph

Question 9

This is also known as pinworm. Disease of children in crowded environments. Diagnosed with Scoth Tape Prep. Treatment is Pyrental Pamoate.

Answer 9

Enterobius vermicularis

Question 10

This parasite is worldwide and is the most frequent protozoan intestinal disease in the US. Water born disease. Can be spread in daycare centers.

Answer 10

Giardia lamblia troph

Question 11

This parasite is worldwide and is the most frequent protozoan intestinal disease in the US. Water born disease. Can be spread in daycare centers.

Answer 11

Giardia lamblia cyst

Question 12

This parasite is worldwide and is the most frequent protozoan intestinal disease in the US. Water born disease. Can be spread in daycare centers.

Answer 12

Giardia lamblia cyst

Question 13

This parasite is worldwide and is the most frequent protozoan intestinal disease in the US. Water born disease. Can be spread in daycare centers.

Answer 13

Giardia lamblia troph

Question 14

Whipworm cause by poor sanitation. A tropical disease of children in rural Asia and Africa (sometimes seen in the South). Mucous and bloody diarrhea. Treatment: Albendazole.

Answer 14

Trichuris trichuria ova

Question 15

Whipworm cause by poor sanitation. A tropical disease of children in rural Asia and Africa (sometimes seen in the South). Mucous and bloody diarrhea. Treatment: Albendazole.

Answer 15

Trichuris trichuria

Question 16

This causes Chagas disease. Vector is the reduvid bug (kissing bug). Causes neurological disorders.

Answer 16

Trypanosoma cruzi