Quiz On Helminths, Arthropods And Prions!
19 Questions
| Total Attempts: 745
(159).jpg "Quiz On Helminths, Arthropods And Prions!")
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Questions and Answers
- 1.Helminths are a multicellular group of parasitic worms called?
- A.
Protozoa
- B.
Cestoda
- C.
Tetrazoa
- D.
Metazoa
- 2.Which helminth has long thin unsegmented tube-like bodies?
- A.
Cestoda
- B.
Trematoda
- C.
Flukes
- D.
Nematoda
- 3.Which helminth has only longitudinal direction muscles used for sideways thrashing movement?
- A.
Roundworms
- B.
Flatworms
- C.
Flukes
- D.
Tapeworms
- 4.Which helminth does not have a gut or body cavity?
- A.
Fluke
- B.
Digenea
- C.
Tapeworm
- D.
Larva
- 5.What bodily excrement is examined for ova and parasites of helminths?
- A.
Saliva
- B.
Urine
- C.
Mucous
- D.
Feces
- 6.What WBC count is increased specifically during helminth infection?
- A.
Basophils
- B.
Eosinophils
- C.
Neutrophils
- D.
Lymphocytes
- 7.What is taeniasis?
- A.
Fluke infection of the adult in the gut
- B.
Intermediate host infection in the gut
- C.
Adult tapeworm infection in the gut
- D.
Nematode infection in the gut
- 8.The amount of nutrients taken from the host by taeniasis is negligible.
- A.
True
- B.
False
- 9.What are the most important flukes involving development in the intestines, lungs, liver, and blood vessels?
- A.
Taeniasis
- B.
Clonorchis
- C.
Trichinella
- D.
Schistosomiasis
- 10.Arthropods can trasmit viruses, bacteria, and protozoa.
- A.
True
- B.
False
- 11.Prions can elicit an immune response.
- A.
True
- B.
False
- 12.Which cellular surface is the PrPc protein predominantely expressed?
- A.
Muscle cells
- B.
Nerve cells
- C.
Epithelium cells
- D.
Intestinal cells
- 13.Which is NOT true regarding the properties of a prion?
- A.
Large size
- B.
Resistant to heat
- C.
Slow replication
- D.
Lack of nucleic acid genome
- 14.What is the name of the infectious protein product resulting from the conversion of PrPc?
- 15.What is the inoculation period of spongiform encephalopathies?
- A.
Days to weeks
- B.
A couple weeks
- C.
Months to years
- D.
Several years
- 16.Prions can be spread by the use of contaminated surgical instruments.
- A.
True
- B.
False
- 17.After crossing the mucosa, what cells transfer prions into neural tissue?
- A.
Red blood cell
- B.
Eosinophil
- C.
Lymphocyte
- D.
Macrophage
- 18.Prions are the most effective within species.
- A.
True
- B.
False
- 19.Human vCJD and BSE are caused by the same prion strain.
- A.
True
- B.
False
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