Cestodes Trivia Quiz

20 Questions | By Andyblanshard | Updated: Mar 22, 2022 | Attempts: 6052

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Questions and Answers

1.

Which worms belong to the Taenidae family.
- A.
  
  Taenia solium and saginata
- B.
  
  Hymenolepis
- C.
  
  Echinococcus
- D.
  
  Diphyllobothrium
2.

Cestodes have male and female worms.
- A.
  
  True
- B.
  
  False
3.

Coracidia are free swimming embryos from pseudophyllidea.
- A.
  
  True
- B.
  
  False
4.

Diphyllobothrium is also known as
- A.
  
  The dog tapeworm
- B.
  
  The pork tapeworm
- C.
  
  The beef tapeworm
- D.
  
  The fish tapeworm
5.

Which of the following are true for T.solium
- A.
  
  More proglottids are passed per day than T.saginata
- B.
  
  Less proglottids are passed per day than in T.saginata
- C.
  
  It has more uterine branches per proglottid than T.saginata
- D.
  
  It has less uterine branches per proglottid than T.saginata
- E.
  
  It's scolex has four suckers and no hooks
- F.
  
  It's scolex has four suckers and a crown of hooks
6.

Humans are the only definitive hosts of Taenia solium and saginata
- A.
  
  True
- B.
  
  False
7.

This egg measures 35 - 45 microns. It could be:
- A.
  
  Diphyllobothrium
- B.
  
  Echinococcus
- C.
  
  T.saginata
- D.
  
  T.solium
8.

Foxes are the definitive hosts for E.granulosis.
- A.
  
  True
- B.
  
  False
9.

Diphyllobothrium is known to be able to cause a B12 deficiency.
- A.
  
  True
- B.
  
  False
10.

T.saginata can cause human cysticercosis.
- A.
  
  True
- B.
  
  False
11.

Echinococcus granulosus causes what type of disease
- A.
  
  Diarrhoea
- B.
  
  Alveolar echinococcus
- C.
  
  B12 deficiency
- D.
  
  Hydatid disease
12.

Which of these worms needs the cyst-filled organs of the intermediate host (containing daughter cysts and protoscolices) to be eaten to continue its lifecycle.
- A.
  
  Hymenolepis
- B.
  
  Taenia
- C.
  
  Diphyllobothrium
- D.
  
  Echinococcus
13.

Bears are reservoir hosts of diphyllobothrium.
- A.
  
  True
- B.
  
  False
14.

A Diphyllobothrium egg is approximately:
- A.
  
  55 microns
- B.
  
  35 - 45 microns
- C.
  
  65 - 70 microns
- D.
  
  70 - 110 microns
15.

Not feeding dogs the uncooked offal of sheep is a preventative measure for which cestode infection.
- A.
  
  Taenia
- B.
  
  Echinococcus
- C.
  
  Hymenolepis nana
- D.
  
  Diphyllobothrium
16.

Diphyllobothrium has proglottids longer than they are wide.
- A.
  
  True
- B.
  
  False
17.

Elimination of rodents is a control measure for which cestode?
- A.
  
  Diphyllobothrium
- B.
  
  Taeniae
- C.
  
  Hymenolepis
- D.
  
  Echinococcus
18.

Humans are accidental hosts of Taenia.
- A.
  
  True
- B.
  
  False
19.

Diphyllobothrium is found...
- A.
  
  Only South America
- B.
  
  Europe, Asia and the Americas
- C.
  
  Only Africa
- D.
  
  Only India