The nurse explains that the body's normal flora serves as:
Cell rebuilders.
Aids to digestion and blood production.
Prevention to the colonizing of pathogens.
Managers of fluid balance of the body.
The Correct Answer is C
Choice A rationale
Normal flora does not function as cell rebuilders. They primarily exist in a symbiotic relationship with the host without directly participating in cell repair processes.
Choice B rationale
While some normal flora aid in digestion, they are not involved in blood production. Blood production is a function of bone marrow and not influenced by normal flora.
Choice C rationale
Normal flora play a crucial role in preventing the colonization of pathogens by competing for nutrients and space, thereby protecting the body from harmful microorganisms.
Choice D rationale
Normal flora do not manage the fluid balance of the body. Fluid balance is regulated by the kidneys and the body's endocrine system, not by the normal flora.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Gown, gloves, and a mask are important, but goggles or glasses provide additional protection against splashes, which are common in patients with diarrhea and vomiting.
Choice B rationale
Reusable gowns are generally not recommended in situations where contamination is likely, as they can harbor pathogens even after laundering. Disposable PPE is preferable.
Choice C rationale
Gown, gloves, and goggles (or glasses) offer comprehensive protection. Goggles or glasses shield the eyes from potential splashes, reducing the risk of transmission of infectious agents.
Choice D rationale
Shoe covers are not typically necessary unless there is a risk of floor contamination. The primary focus should be on protecting the areas most likely to be exposed to body fluids, such as the hands, body, and face.
Correct Answer is B
Explanation
Choice A rationale
Breaking needles in half before disposal is dangerous and not recommended. It increases the risk of needlestick injuries and exposure to bloodborne pathogens.
Choice B rationale
Not recapping needles, especially after drawing arterial blood gas (ABG) specimens, is a recommended practice to prevent needlestick injuries. This reduces the risk of accidental puncture during the recapping process.
Choice C rationale
Recapping needles and placing them in a wastebasket is unsafe and increases the risk of needlestick injuries and improper disposal of medical waste, which can expose others to bloodborne pathogens.
Choice D rationale
Placing uncapped needles directly into a puncture-proof container after use is a safe practice, but the question specifically asks about preventing needlestick injuries during the handling of ABG specimens, where recapping should be avoided.
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