Chapter 11: The Trematodes

Question 1

Which Schistosoma species has a large terminal spine?

Answer 1

Schistosoma haematobium

Question 2

Which of the following helminth eggs may be found in urine?

Answer 2

Schistosoma haematobium

Question 3

The largest intestinal fluke found in man is?

Answer 3

Fasciolopsis buski

Question 4

Which of the following flukes is acquired by ingestion of infected fish?

Answer 4

Clonorchis sinensis

Question 5

Which of the following eggs has no presence of operculum (lid)?

Answer 5

Schistosoma mansoni

Question 6

What is the scientific name of Pork Tapeworm?

Answer 6

Taenia solium

Question 7

In the life cycle of hermaphroditic flukes, the infective stage for the snail is:

Answer 7

Miracidium

Question 8

Trematodes that mature in the lung and produce eggs that appear in the sputum are most probably:

Answer 8

Paragonimus westermani

Question 9

Consumption of the infective larval stage encysted on aquatic plants that have not been cooked results in infection with:

Answer 9

Fasciola hepatica

Question 10

What tapeworm egg is operculated:

Answer 10

Diphyllobothrium latum

Question 11

The first intermediate host for all the trematodes is:

Answer 11

Snail

Question 12

Fasciolopsis buski infects which organ in humans?

Answer 12

Small Intestine

Question 13

A key feature that distinguishes Paragonimus from the other trematode eggs is:

Answer 13

Obvious terminal shell thickening