Parasitology Reinforcement Practice Quiz

What is the most common intestinal nematode of man?

• Trichuris trichiura

• Ascaris lumbricoides

• Capillaria philippinensis

• Hookworm

This is produced by Ascaris lumbricoides to protect worms from digestion.

• Pepsin Inhibitor 2

• Pepsin Inhibitor 3

• Phosphorylcholine

• Phosphorylcholamine

This is produced by Ascaris lumbricoides to suppress lymphocyte proliferation.

• Pepsin Inhibitor 2

• Pepsin Inhibitor 3

• Phosphorylcholine

• Phosphorylcholamine

This is a somatic muscle arrangement in which cells are numerous and project well into the body cavity.

• Holomyarian type

• Meromyarian type

• Polymyarian type

Give two (2) examples of soil-transmitted helminth.

Separate your answers with a comma followed by a space (eg. Answer1, Answer2)

Female Ascaris lumbricoides have a single, long, tortuous tubule while males have paired reproductive organs in the posterior two-thirds.

• True

• False

What is the diagnostic stage of Ascaris lumbricoides?

• Unfertilized egg

• Fertilized egg

• Either

• Neither

What is the infective stage of Ascaris lumbricoides?

• Unembryonated egg

• Fully embryonated egg

• Larvae

• Adult worm

How many molting processes do the larvae of Ascaris lumbricoides undergo to reach their 3^rd stage?

• 2

• 3

• 4

• 5

What do you call the asexual stage of the life cycle of a sporozoan?

• Gametogonic phase

• Syngamic phase

• Sporogonic phase

• Schizogonic phase