Microimmunology- Helminths
.
- 1.The three main groups of helminth important to human are ________, _________ and ___________.
- A.
Sarcodina, Cestoda and Sporozoa
- B.
Cestoda, Digenea and Nematoda
- C.
Protozoa, metazoa, and parasite worm
- D.
Trematoda, platyhelminths, mastigophora
- 2.One of these statements is true regarding Cestode (tapeworms):
- A.
Long thin unsegmented tube-like bodies with anterior mouths and longitudinal digestive tracts.
- B.
Small flat leaf-like bodies.
- C.
All Cestodes (tapeworms) have separate sexes with well-developed reproductive systems.
- D.
long flat ribbon-like bodies with a single anterior holdfast organ (scolex)
- 3.Nematodes (roundworms) have a fluid-filled internal body cavity called ___________ which acts as a hydrostatic skeleton providing rigidity.
- A.
Taeniasis
- B.
Acoelomate
- C.
Pseudocoelum
- D.
Meazoa
- 4.Helminths infection can occur by one of these process:
- A.
Swallowing infective eggs or larva via the fecal-oral route.
- B.
Swallowing infective larvae in the tissues of another host.
- C.
Active penetration of the skin by larval stages.
- D.
All of the above.
- 5.Most often laboratory test perform for helminths infection is __________
- A.
Wet prep
- B.
Examination of the stool for ova and parasites (O&P)
- C.
Eosinophil antibody by PCR
- D.
Fecal occult
- 6.In Helminth's life cycle, a definitive host is one in which the ____________ occurs or the _________ is present.
- A.
Sexual cycle; adult
- B.
Spore cycle; larva
- C.
Asexual cycle; larva
- D.
Binary fusion ; adult
- 7.One of the folllowing is true about Taeniasis?
- A.
Most Taeniasis is symptomatic
- B.
Taeniasis only occurs in human and cows
- C.
Taeniasis specifically refers to chronic ring worm with self mechanism to invade host immunity.
- D.
Taeniasis refers specifically to infection with the adult tapeworm in the gut of the definitive host.
- 8.Human acquired schistosomiasis by ________
- A.
Ingesting fish infected with larval stages
- B.
Ingesting vegetation with larva stages
- C.
Penetration of skin by larva stages from snails
- D.
Ingesting crabs infected with larva stages
- 9.Trichinella does not require intermediate hosts.
- A.
True
- B.
False
- 10.Platyhelminths are the cestoda and the nematoda.
- A.
True
- B.
False
Questions: 10 | Attempts: 36830 | Last updated: Aug 31, 2020
-
Sample QuestionWhich food does NOT contain Vitamin D?
Questions: 10 | Attempts: 31528 | Last updated: May 16, 2021
-
Sample QuestionWhat is your temperature?
Questions: 20 | Attempts: 28879 | Last updated: Jul 28, 2021
-
Sample QuestionIt takes ____ to keep your mind alert.
Back to top