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
Choice A rationale
Raynaud’s disease is a condition that affects blood flow to the extremities, including the fingers and toes, in response to cold temperatures or stress. Wearing heavy-duty gloves during cold exposures can help to keep the hands warm and reduce the risk of a Raynaud’s attack.
Choice B rationale
While avoiding cold temperatures can help to prevent Raynaud’s attacks, it is not always practical or possible for individuals to refrain from going outdoors during the winter months.
Choice C rationale
Raising the hands above the head is not typically recommended to relieve spasms associated with Raynaud’s disease.
Choice D rationale
Using small rubber balls to exercise the hands and fingers daily may be beneficial for some individuals with Raynaud’s disease, but it is not typically the primary recommendation for managing this condition.
Correct Answer is C
Explanation
Choice A rationale
Elevating the feet for 30 minutes after walking is not specifically beneficial for a patient with peripheral arterial disease (PAD). While elevation can help with conditions like edema, it does not directly address the issues associated with PAD12.
Choice B rationale
Avoiding exercise that increases the heart rate is not the best advice for a patient with PAD. Exercise, including activities that increase heart rate, can actually be beneficial. It can help improve circulation, which is often compromised in PAD12.
Choice C rationale
Continuing to walk to the point of pain is beneficial for patients with PAD. Walking, especially at a high intensity, can help improve symptoms of PAD. It can increase blood flow and oxygen supply to the muscles, which can help manage PAD symptoms.
Choice D rationale
While it’s important to care for any ulcers that develop and seek medical attention, stopping walking altogether if a leg ulcer develops is not necessary. Walking is a low-impact activity that can help improve mobility over time.
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