Complete the following sentence by using the list of options for the epidemiological triangle.
The nurse is completing the epidemiological triangle and understands that
The Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"A","dropdown-group-3":"A"}
I. Agent: Plasmodium-Plasmodium is a protozoan parasite responsible for causing malaria. It is the infectious microorganism that leads to disease, making it the agent in this scenario.
II. Host: Human- In malaria transmission, humans serve as the primary host where Plasmodium multiplies and causes illness. The parasite infects red blood cells, leading to symptoms like fever and chills.
III. Environment: Stagnant water- Stagnant water serves as a breeding ground for Anopheles mosquitoes, which are the vectors that transmit Plasmodium to humans. The environment plays a crucial role in maintaining the conditions necessary for disease transmission.
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Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"A","dropdown-group-3":"A"}
Explanation
I. Agent: Plasmodium-Plasmodium is a protozoan parasite responsible for causing malaria. It is the infectious microorganism that leads to disease, making it the agent in this scenario.
II. Host: Human- In malaria transmission, humans serve as the primary host where Plasmodium multiplies and causes illness. The parasite infects red blood cells, leading to symptoms like fever and chills.
III. Environment: Stagnant water- Stagnant water serves as a breeding ground for Anopheles mosquitoes, which are the vectors that transmit Plasmodium to humans. The environment plays a crucial role in maintaining the conditions necessary for disease transmission.
Correct Answer is C
Explanation
A. Poultry: Poultry is more commonly associated with Salmonella and Campylobacter infections rather than E. coli 0157:H7.
B. Water parks: While waterborne outbreaks can occur, direct animal contact is a greater risk factor for E. coli 0157:H7 infection.
C. Petting zoos: Petting zoos pose a significant risk because E. coli 0157:H7 can be transmitted through contact with infected animals and their feces. Children and immunocompromised individuals are especially vulnerable.
D. Carrots: While contaminated produce has been linked to E. coli outbreaks, petting zoos pose a higher risk due to direct exposure to infected animals.
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