Parasitic Helminths Quiz

Which of the following is the largest nematode intestinal parasite found in humans?

• Trichinella spiralis

• Necator americanus

• Ascaris lumbricoides

• Enterobius vermicularis

What is the most common nematode infection in the United States?

• Hookworm

• Toxocariasis

• Trichinellosis

• Pinworm

Which nematode is transmitted by mosquitoes and can cause heartworm in dogs?

• Dirofilaria immitis

• Toxocara canis

• Ancylostoma duodenale

• Ascaris lumbricoides

Which of the following is a symptom of hookworm infection?

• Muscle pain

• Anemia

• Vision loss

• Sleeplessness

What is the primary method of transmission for Trichinella spiralis?

• Consumption of undercooked meat

• Inhalation of airborne eggs

• Ingestion of contaminated water

• Direct skin contact with larvae

Which group of flatworms includes the flukes?

• Turbellarians

• Trematodes

• Cestodes

• Nematoda

Which disease is caused by Schistosoma species?

• Toxocariasis

• Schistosomiasis

• Trichinellosis

• Pinworm infection

What is the largest human tapeworm?

• Echinococcus granulosus

• Diphylobothrium latum

• Taenia solium

• Taenia saginata

Which tapeworm is known to use dogs as an important host?

• Taenia saginata

• Taenia solium

• Echinococcus granulosus

• Diphylobothrium latum

What is a characteristic feature of tapeworms?

• Full digestive system

• Segmented body with proglottids

• Presence of an oral sucker

• Nonsegmented body

Tags

NGSS.MS-LS4-2