Exam 2 Review - Quiz 2 - Dipyllobothrium latum

Question 1

How does a human get Diphyllobothrium latum?

Answer 1

By ingesting raw or undercooked infected fish.

Question 2

If the Diphyllobothrium latum plerocercoid larva reaches the human brain or eye, it can cause ____.

Answer 2

sparganosis

Question 3

Adult Diphyllobothrium latum can cause complications. True or false?

Answer 3

False. The adult Diphyllobothrium latum can NOT cause complications in humans.

Question 4

Coracidia is _______.

Answer 4

ciliated oncosphere

Question 5

What are the symptoms of someone that has Diphyllobothrium latum?

Answer 5

Diahrrea, Vitamin B12 deficiency, anemia

Question 6

a) What parasite is this?
b) What type of scolex is it?
c) How many concavities are there?
d) How many suckers are there?

Answer 6

a) Diphyllobothrium latum
b) Bothrium
c) 2
d) 0

Question 7

What is the life cycle of Diphyllobothrium latum?

Answer 7

Eggs… Coracidia… Ingested by crustaceans… Procercoid larva in crustaceans… Ingested by fish… Plerocercoid in fish… Ingested by human… Adults in human… Eggs.

Question 8

The length of the Diphyllobothrium latum can cause ____ in the intestine.

Answer 8

blockage

Question 9

What are a, b, c, d, and e?

Answer 9

a: bothrium scolex; b: mature proglottids; c: ovary; d: eggs; e: operculated eggs

Question 10

The image represents what parasite?

Answer 10

Diphyllobothrium latum

Question 11

a) Describe the eggs
b) The eggs belong to what parasite?

Answer 11

a) oval and operculated
b) Diphyllobotrium latum

Question 12

What does operculate mean?

Answer 12

Caplike cover that protects the egg; capsule