The nurse is teaching a patient to wash their hands after using the bathroom as an attempt to break the chain of infection.
Between which two links in the chain of infection does this action intervene?
Infectious agent and reservoir.
Mode of transmission and portal of entry.
Susceptible host and infectious agent.
Portal of exit and mode of transmission.
The Correct Answer is D
Choice A rationale
The infectious agent is the pathogen that causes the disease, and the reservoir is where the infectious agent lives and multiplies. Hand washing does not directly intervene between these two links.
Choice B rationale
The mode of transmission is how the infectious agent travels to other people and places, and the portal of entry is the route by which an infectious agent enters a new host. Hand washing does not directly intervene between these two links.
Choice C rationale
The susceptible host is a person who is vulnerable to the disease, and the infectious agent is the pathogen that causes the disease. Hand washing does not directly intervene between these two links.
Choice D rationale
The portal of exit is the route by which an infectious agent escapes or leaves the reservoir, and the mode of transmission is how the infectious agent travels to other people and places. Hand washing directly intervenes between these two links by removing the infectious agent from the hands (portal of exit) and preventing its transmission to other people or surfaces.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is Choice A. Insulin lispro is a fast-acting insulin that starts to work about 15 minutes after injection. Therefore, the client should eat within 15 minutes of taking the insulin to prevent hypoglycemia. So, if the client takes the insulin at 0630, they should start eating at 06404
Correct Answer is D
Explanation
Choice A rationale
While holding the warfarin and notifying the laboratory could be appropriate actions in some situations, they would not address the immediate concern of the large, new ecchymotic areas on the client’s extremities.
Choice B rationale
Administering the daily dose of warfarin and notifying the healthcare provider for a dose adjustment the next day could potentially exacerbate the bleeding risk, given the presence of the large, new ecchymotic areas.
Choice C rationale
Large, new ecchymotic areas are not expected side effects of warfarin. They could indicate a serious problem such as excessive anticoagulation.
Choice D rationale
The presence of large, new ecchymotic areas could indicate excessive anticoagulation, which is a serious complication of warfarin therapy. Therefore, holding the warfarin and notifying the healthcare provider of the assessment findings would be the most appropriate initial action.
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