A client is admitted to the burn unit with chemical burns.
The nurse understands that which of the following agents are potential causes of the client's burn injuries? (Select all that apply.)
Bleach.
Fabric softener.
Sodium carbonate.
Degreaser.
Lye compounds.
Correct Answer : A,C,D,E
Choice A rationale
Bleach (sodium hypochlorite) is a strong oxidizing agent, commonly found in household cleaners. Its corrosive properties can cause liquefaction necrosis upon contact with tissues, leading to severe chemical burns by denaturing proteins and saponifying fats in cell membranes.
Choice B rationale
Fabric softener typically contains cationic surfactants and emulsifiers. While it can cause mild skin irritation or allergic reactions in sensitive individuals, it is not generally classified as a strong corrosive or caustic agent capable of inflicting significant chemical burn injuries upon contact.
Choice C rationale
Sodium carbonate, also known as washing soda, is an alkaline compound. Concentrated solutions can cause chemical burns through liquefaction necrosis, similar to other strong bases, by deeply penetrating tissues and dissolving proteins and lipids, leading to extensive tissue damage.
Choice D rationale
Degreasers often contain strong alkaline substances like sodium hydroxide or potassium hydroxide, or petroleum distillates. These agents are highly corrosive and can cause severe chemical burns by liquefaction necrosis, destroying cell membranes and dissolving tissue components, leading to deep and extensive injuries.
Choice E rationale
Lye compounds, primarily sodium hydroxide (NaOH) or potassium hydroxide (KOH), are extremely caustic alkaline substances. They inflict severe chemical burns through liquefaction necrosis, which involves the saponification of fats and denaturation of proteins, resulting in deep, penetrating tissue destruction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Administering antibiotics to family members without a confirmed bacterial infection is not scientifically sound. Antibiotics target bacterial pathogens, and their prophylactic use in healthy individuals can contribute to antibiotic resistance, a significant public health concern. Additionally, it disrupts the normal microbial flora, potentially increasing susceptibility to other infections.
Choice B rationale
Limiting visits based solely on age, like "under 12," lacks specific scientific merit for infection prevention in chemotherapy patients. While young children may have less developed immune systems and be more prone to transmitting common childhood illnesses, the critical factor is adherence to strict infection control practices, such as hand hygiene and avoiding visits when ill, regardless of age.
Choice C rationale
Practicing strict hand hygiene, including thorough washing with soap and water or using alcohol-based hand rub, is the single most effective method for preventing the transmission of healthcare-associated infections. This physically removes or inactivates transient microorganisms on the skin, thereby breaking the chain of infection and protecting immunocompromised patients from potential pathogens.
Choice D rationale
Wearing gowns, gloves, masks, and shoe coverings for all client care is an excessive and unnecessary measure for general infection prevention in a chemotherapy patient's family members unless the client is on strict isolation precautions for a highly transmissible pathogen. Overuse of personal protective equipment can lead to complacency and is not supported by evidence for routine family interactions.
Correct Answer is B
Explanation
Choice A rationale
While immunosuppression can occur with certain cancer treatments, advising complete social avoidance is generally not the most appropriate or practical advice. Instead, strategies like hand hygiene, avoiding sick individuals, and staying up-to-date on vaccinations are emphasized to manage infection risk while promoting quality of life. Social isolation can negatively impact mental health.
Choice B rationale
Metastatic cancer, by definition, implies that cancer cells have spread beyond the primary tumor site to distant organs. In most cases, metastatic breast cancer is considered incurable. Therefore, the primary focus of treatment shifts from curative intent to palliative care, aiming to control disease progression, manage symptoms, and enhance the client's quality of life.
Choice C rationale
Treatment for metastatic cancer often differs significantly from initial, localized treatment. While some targeted therapies or hormonal treatments might be continued, the overall approach evolves to address the widespread nature of the disease. This may involve systemic therapies like chemotherapy, hormone therapy, or targeted agents, tailored to the specific metastatic sites and tumor characteristics.
Choice D rationale
While maintaining hope is important, metastatic cancer is typically not curable with aggressive treatment. Presenting it as such can create unrealistic expectations and potentially lead to emotional distress when treatments do not achieve a cure. It's crucial for the nurse to provide accurate information about the disease trajectory while still supporting the client's emotional well-being.
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