Intestinal Tape Worms - D. latum

Question 1

Pseudophyllidea

Answer 1

Diphyllobothrium latum

Question 2

Cyclophyllidea

Answer 2

Taenia solium, T. saginata, Hymenolepis nana, H. diminuta, and Dipylidium caninum

Question 3

D. Latum scolex

Answer 3

Bothria

Question 4

Pseudophyllidea reproductive system

Answer 4

Uterus opens to a pore

Fertilized eggs are shed continuously

Question 5

D. Latum aka

Answer 5

Broad fish tape worm (lack specificty)

Question 6

When released the shelled ________ must be deposited in _____ for further _____

Answer 6

coracidium
water
development

Question 7

The coracidum then enters _____

Answer 7

a crustacean

Question 8

In the _______ the coracidum transforms into _____

Answer 8

mid gut of crustaceans

procercoid

Question 9

2nd intermediate host ______

Answer 9

often salmon consume the procercoid where it travels to muscle tissue and transforms into plerocercoid

Question 10

______ stage has a scolex

Answer 10

plerocercoid

Question 11

Definitive host infection

Answer 11

Upon eating undercooked fish

Plerocercoid attaches to mucosa in SI

Question 12

Symptoms

Answer 12

abdominal pain, dizziness, fatigue, diarrhea, vomiting, and nervous disorders

Question 13

Symptoms are due to

Answer 13

Symptoms are due to host’s reactions to parasite’s metabolic wastes/degeneration proglottids

irritation to mucosa

Question 14

D. latum causes

Answer 14

V b12 anemia

Question 15

Diagnosis

Answer 15

Proglottids and eggs in feces

Question 16

Treatment

Answer 16

V B12 supp and praziquantel