LPN exams fundamentals practice questions set 48

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Respiratory failure is a major complication of COPD, arising when chronic airway obstruction and alveolar damage impair gas exchange, leading to hypoxemia or hypercapnia. In advanced COPD, reduced FEV1 and hyperinflation (e.g., from emphysema) diminish ventilatory capacity, risking acute-on-chronic failure, often triggered by infection or exacerbation. Lung cancer, while a smoking-related risk, isn't a direct COPD complication, though shared etiology increases incidence. Cystic fibrosis is a genetic disorder, not a COPD outcome, affecting mucus clearance differently. Hemothorax, blood in the pleural space, relates to trauma or malignancy, not COPD's pathophysiology. The nurse's identification of respiratory failure as a complication informs health promotion e.g., vaccination, smoking cessation to prevent exacerbations, aligning with COPD management goals to sustain oxygenation and quality of life.

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The correct answer is A: Asthma. Wheezing during exhalation is a common characteristic of asthma due to airway constriction. In asthma, the airways become inflamed and narrowed, leading to difficulty in breathing and wheezing sounds during exhalation. Asthma is a chronic condition that can be triggered by various factors such as allergens or exercise. Summary of Incorrect Choices: B: Pulmonary fibrosis - Pulmonary fibrosis is characterized by scarring of lung tissue, leading to stiff and less flexible lungs. It typically presents with crackles on auscultation, not wheezing. C: Pneumonia - Pneumonia is an infection of the lung tissue, usually presenting with crackles or decreased breath sounds, not typically wheezing. D: Pulmonary embolism - Pulmonary embolism is a blockage in the pulmonary artery, often causing sudden shortness of breath and chest pain, but not typically associated with whe

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The correct answer is B because it emphasizes the importance of client autonomy and responsibility in decision-making. As a nurse, it is crucial to empower clients to make their own choices and decisions regarding their care. By reminding the student nurse that clients are responsible for their choices, the instructor encourages the student to focus on supporting and guiding the client rather than providing direct advice. This approach aligns with ethical principles of patient-centered care and promotes client empowerment. Choice A is incorrect because it normalizes not having the answer, which may undermine the student nurse's confidence. Choice C is incorrect as it is vague and does not provide specific guidance on how to address the student's concerns. Choice D is incorrect because it focuses on personal improvement rather than the client's autonomy, which is the key issue in this scenario.

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The correct answer is D because exploring commonly held beliefs and values of the population is essential for cultural competence. By understanding the cultural context of the population, the nurse can provide more effective and respectful care. This includes recognizing traditions, preferences, and communication styles. A: Identifying culture-bound issues may not necessarily lead to cultural competence as it focuses more on recognizing specific cultural practices rather than understanding the broader cultural context. B: Implementing scientifically proven interventions is important but does not directly relate to cultural competence, which requires a deeper understanding of cultural nuances. C: Correcting inferior health practices of the population is ethnocentric and disrespectful, going against the principles of cultural competence that emphasize respect for diverse beliefs and practices.

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Aseptic technique refers to practices designed to prevent contamination by pathogens, maintaining a sterile environment during procedures like surgery or lab work. 'Contamination with infective agents are prevented,' is correct because it captures the essence of asepsis, as outlined in infection control guidelines (e.g., CDC standards), focusing on keeping sterile fields free of microbes. 'Microorganisms are destroyed,' describes sterilization, not asepsis, which prevents rather than eliminates. 'The growth of microorganism is inhibited,' relates to antisepsis or bacteriostatic methods, not the preventive focus of aseptic technique. 'Microorganisms are cultured,' is the opposite, involving intentional growth. Aseptic technique's proactive prevention of contamination, such as using sterile gloves or tools, distinguishes it from destructive or growth-related processes, making B the accurate answer.

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The Surgical Care Improvement Project (SCIP) aims to reduce surgical complications, focusing on prevention of infection , serious cardiac events , and venous thromboembolism . These are evidence-based priorities to improve patient outcomes post-surgery. Prevention of respiratory complications and acute kidney injury (not listed as choice E but mentioned) are not primary SCIP focuses, though they are relevant to overall care. SCIP guidelines include specific measures like antibiotic prophylaxis (infection), beta-blocker use (cardiac events), and anticoagulant therapy (thromboembolism), reflecting its goal to standardize care and minimize risks. Choice C is a correct answer as it aligns with SCIP's cardiac focus, but A and D are also accurate. The rationale emphasizes SCIP's targeted approach to common, preventable complications, ensuring safer surgical experiences through measurable interventions.

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The correct answer is A: Living will. A living will is a legal document that specifies a person's preferences for medical treatment in case they become unable to communicate their wishes. In this scenario, the individual is outlining the medical treatments they refuse if their condition worsens. This document guides healthcare providers and family members in making decisions on behalf of the person. B: Power of attorney grants someone the authority to make legal decisions on behalf of another person, but it does not specifically address medical treatment preferences. C: Last will and testament pertains to the distribution of assets after death and does not address medical treatment during life. D: Informed consent is the process of ensuring a patient understands the risks and benefits of a medical treatment before consenting, which is not the same as specifying treatment preferences in advance.

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The correct answer is A: Swab the oral cavity with a normal saline solution as needed. This intervention is the best choice as it helps to keep the oral cavity moist, clean, and free from infection. Normal saline is gentle, non-irritating, and helps to maintain hydration. Cracked lips, dry mucus membranes, and caked mucus can lead to discomfort and potential infection in a comatose client. Summary: - Choice B (Swab the mouth every half-hour with lemon-glycerin swabs) is incorrect as lemon-glycerin swabs may irritate the oral mucosa and are not suitable for continuous use. - Choice C (Swab lips and mucus membranes with mineral oil) is incorrect as mineral oil can be harmful if aspirated and does not provide hydration. - Choice D (Swab the oral cavity with hydrogen peroxide followed with water) is incorrect as hydrogen peroxide can be harsh on delicate oral tissues and is not recommended for

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The correct answer is B: Olanzapine (Zyprexa). Olanzapine is an atypical (second-generation) antipsychotic that has been shown to effectively target negative symptoms of schizophrenia, such as apathy, poverty of thought, and social isolation. It also helps with mood stabilization and cognitive function, which can improve the patient's ability to work and engage in social interactions. Choice A: Haloperidol (Haldol) is a typical (first-generation) antipsychotic like the current medication, which is less effective in treating negative symptoms and can potentially worsen them. Choice C: Diphenhydramine (Benadryl) is an antihistamine and not indicated for treating schizophrenia symptoms. Choice D: Chlorpromazine (Thorazine) is another typical (first-generation) antipsychotic, similar to the current medication, and may not adequately address the negative symptoms the patient is experiencing.

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To assess a pulse deficit, the nurse should first measure the apical pulse (using a stethoscope at the apex of the heart) and the radial pulse (at the wrist) simultaneously for a full minute. This is because the apical pulse represents the heart's contraction and the radial pulse represents the pulse felt at the periphery. The difference between the two rates indicates a pulse deficit, which suggests that not all heartbeats are reaching the periphery. This method allows for a direct comparison between the heart rate and the peripheral pulse rate. The other choices are incorrect because measuring the pulse strength in both radial arteries (B) does not assess for a pulse deficit, auscultating for murmurs (C) is not directly related to assessing a pulse deficit, and palpating carotid and femoral pulses simultaneously (D) does not provide a comparison between the heart rate and peripheral pulse rate.