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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Definitions:

Non-24-Hour Type

A circadian rhythm sleep disorder where an individual's internal body clock does not align with the 24-hour day, causing sleep pattern disturbances.

Circadian Rhythm Disorder

A disruption in a person's circadian rhythm (internal body clock) that regulates the sleep-wake cycle, leading to sleep disorders such as insomnia or excessive sleepiness.

Blind

A condition characterized by the lack of visual perception due to physiological or neurological factors, which can range from partial to total inability to see.

Breathing-Related Sleep Disorder

Group of sleep disorders characterized by numerous brief sleep disturbances due to problems breathing.