The Transmission Cycle of Fasciola Hepatica Differs from the Cycles

question 45

Multiple Choice

The transmission cycle of Fasciola hepatica differs from the cycles of Opisthorchis sinensis and Clonorchis sinensis in that

• A)freshwater snails release cercariae.
• B)eggs are released from an infected human via the urine.
• C)encystment occurs on a freshwater plant.
• D)helminth development occurs in the liver.

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Definitions:

Competitive Market

A market structure characterized by many buyers and sellers, none of whom can influence the market price on their own.

Market for Human Organs

The controversial concept or practice involving the buying and selling of human organs for transplantation, often debated for ethical and moral reasons.

Volunteer-Donor System

A system in which goods, services, or time are given by volunteers or donors without financial compensation.

Market-Based System

An economic system where decisions regarding investment, production, and distribution are based on supply and demand, and prices of goods and services are determined in a free price system.