Three Weeks After a River Rafting Trip,three Family Members Experienced

question 30

Multiple Choice

Three weeks after a river rafting trip,three family members experienced symptoms of coughing,fever,and chest pain.During the rafting trip,the family had consumed crayfish that they caught along the river banks.An examination of the patients' sputum revealed helminth eggs,and serum samples were positive for antibodies to Paragonimus.All of the family members recovered following treatment with praziquantel.In the Paragonimus life cycle,

• A)the crayfish are the definitive host and humans are the intermediate host.
• B)humans are the definitive host and crayfish are the intermediate host.
• C)both humans and crayfish are intermediate hosts.
• D)both humans and crayfish are definitive hosts.
• E)the source of the infection was the river water.

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Definitions:

Diamond Ring

A diamond ring is a piece of jewelry that features diamond(s) set into a band, commonly given to signify engagement or other important personal milestones.

Acts of God

Natural catastrophic events, such as earthquakes, floods, or hurricanes, that cannot be anticipated or controlled, often used in legal contexts to excuse parties from contractual obligations.

Wildfires

Uncontrolled and often widespread fires in areas of combustible vegetation, often exacerbated by dry conditions and strong winds.

Unexpected Detours

Situations or incidents that cause one to deviate from a planned or expected route or course of action.