Why Is Perianal Itching Significant in the Life Cycle of Pinworms

question 5

Multiple Choice

Why is perianal itching significant in the life cycle of pinworms?

• A) When a host scratches the anus, pinworm larvae enter the bloodstream.
• B) Eggs are trapped under fingernails and transferred to new hosts.
• C) Scratching allows mature worms to break through the surface of the skin.
• D) Transmission of pinworms ends when the host scratches the anus.

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