A patient has been diagnosed with Creutzfeldt-Jakob disease (mad cow disease). The nurse recognizes this disease is caused by a:
Prion.
Fungus.
Protozoa.
Virus.
The Correct Answer is A
Choice A rationale
Creutzfeldt-Jakob disease is caused by prions, which are misfolded proteins that can induce normal proteins in the brain to also misfold. These prions are highly resistant to conventional methods of deactivation and pose a significant infection control challenge.
Choice B rationale
Fungi can cause a variety of infections, but they are not responsible for Creutzfeldt-Jakob disease. Fungal infections typically affect the skin, lungs, or systemic organs.
Choice C rationale
Protozoa are single-celled organisms that can cause diseases such as malaria. They are not related to the prions that cause Creutzfeldt-Jakob disease.
Choice D rationale
Viruses cause a range of diseases, including influenza and HIV, but they are distinct from prions. Prions lack genetic material and reproduce by corrupting normal proteins, which is different from viral replication mechanisms. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Roundworms are common helminth infections but not the most common. They are typically transmitted through contaminated soil and food.
Choice B rationale
Hookworms are another type of helminth infection that can be common but are primarily transmitted through direct contact with contaminated soil.
Choice C rationale
Tapeworms are less common and are usually acquired through the consumption of undercooked meat.
Choice D rationale
Pinworms are the most common helminth infection, especially in children. They are highly contagious and spread through the ingestion of microscopic eggs from contaminated surfaces or fingers.
Correct Answer is C
Explanation
Choice A rationale
Requesting a Foley catheter for an older adult patient increases the risk of catheter-associated urinary tract infections (CAUTIs). Avoiding unnecessary catheterization is a better approach to prevent infections.
Choice B rationale
Offering a urinal every 2 hours may not significantly reduce the risk of urinary infections. While it encourages regular voiding, it does not address the need to keep urine dilute to prevent infections.
Choice C rationale
Encouraging fluid intake helps keep urine dilute, which reduces the risk of urinary tract infections. Adequate hydration flushes out bacteria and helps maintain a healthy urinary system.
Choice D rationale
While apple juice can help acidify urine, it is not the primary strategy for preventing urinary infections. Maintaining overall hydration with water is more effective in keeping the urine dilute and reducing infection risk.
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