LPN exams fundamentals practice questions set 59

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The correct answer is D: Prevent pulmonary complications. Using an incentive spirometer post-thoracic surgery helps prevent atelectasis and pneumonia by promoting lung expansion, improving ventilation, and clearing secretions. This intervention aids in maintaining lung function and preventing respiratory complications. A: Promote relaxation - While using an incentive spirometer may induce relaxation as a side effect, the primary purpose is not relaxation but rather to prevent pulmonary complications. B: Improve inspiratory muscle strength - Although using an incentive spirometer can help improve inspiratory muscle strength, the primary purpose is to prevent pulmonary complications. C: Reduce pain during breathing - While using an incentive spirometer may indirectly reduce pain by promoting optimal lung function, the primary purpose is to prevent pulmonary complications.

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The correct answer is B: Weight, height, BMI. During each second-trimester prenatal visit, it is essential to monitor the client's weight, height, and BMI to ensure appropriate maternal and fetal health. Weight gain is a crucial indicator of fetal growth and maternal well-being. Height and BMI can provide insights into the client's nutritional status and overall health. Explanation of why other choices are incorrect: A: Cervical examination is typically not performed routinely during second-trimester prenatal visits unless there are specific concerns such as preterm labor risk. C: Fetal ultrasound is usually scheduled at specific times during pregnancy, not necessarily at every second-trimester visit. D: Fundal height measurement is important, but it is usually performed starting in the second trimester to assess fetal growth and position, not necessarily at every visit.

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For federal funding in nursing research, the National Institute of Nursing Research (NINR), part of the National Institutes of Health, is the primary resource. Established following a 1983 Institute of Medicine study, NINR supports research on client care, health promotion, and disease prevention, funding studies that mitigate chronic conditions' effects and advance nursing science. It's instrumental in disseminating seminal work, offering grants for projects from clinical trials to health disparities research. The American Nurses Association focuses on advocacy and standards, not funding. The Commission on Collegiate Nursing Education accredits programs, while the ANA Cabinet sets research priorities, not budgets. NINR's federal backing and nursing-specific mission make it the go-to for financial support, aligning with the nurse's goal to contribute to evidence-based practice.

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In bacterial cells, the vacuole is a membrane-bound structure that can store waste materials, nutrients, or gases, serving as a temporary holding area. 'Vacuole,' is correct because it aligns with this function, as seen in certain bacteria like cyanobacteria, where gas vacuoles manage buoyancy or waste. 'Mesosomes,' are invaginations of the plasma membrane involved in respiration or cell division, not waste storage. 'Ribosomes,' are sites of protein synthesis, unrelated to storage. 'Nucleoplasm,' refers to the nuclear region in eukaryotic cells, not bacteria, which lack a true nucleus; their genetic material is in the cytoplasm. Bacterial vacuoles, though less common than in eukaryotes, are documented in microbiology texts (e.g., Prescott's Microbiology) as storage compartments, making A the accurate answer, distinct from the metabolic or structural roles of the other options.

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The correct answer is C: Vesicular breath sounds and normal in that location. Vesicular breath sounds are low-pitched, soft sounds heard over most of the lung fields. In this case, they are heard over the posterior lower lobes, which is a normal location for vesicular sounds. The longer inspiration than expiration is also characteristic of vesicular breath sounds. A: Normally auscultated over the trachea - This is incorrect as breath sounds over the trachea are typically harsh and high-pitched. B: Bronchial breath sounds and normal in that location - Bronchial breath sounds are harsh, loud sounds heard over the trachea and are not normal in the posterior lower lobes. D: Bronchovesicular breath sounds and normal in that location - Bronchovesicular breath sounds are a mix of bronchial and vesicular sounds, and they are not normally auscultated in the posterior lower lobes.

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The correct answer is D: The nurse may retire or continue to work, as long as he or she is capable of performing the job. The Age Discrimination in Employment Act (ADEA) protects workers who are 40 years old or older from discrimination based on age. This means that the nurse, with over four decades of experience, cannot be forced to retire based on age alone. The ADEA ensures that the nurse has the right to make their own decision regarding retirement, as long as they are still able to perform their job duties effectively. Choice A is incorrect because the ADEA prohibits age-based discrimination, so the nurse should not have to forfeit job security based on age. Choice B is incorrect because the ADEA does not mandate retirement at a specific age, such as 70 years old. Choice C is incorrect because the ADEA does not require retirement at a specific age, such as 65 years old.

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The correct answer is A because a critical burn is determined by the percentage of total body surface area (TBSA) affected. In this case, a 10-year-old patient with superficial burns over 60% of the body meets the criteria for a critical burn due to the extensive TBSA involvement. Superficial burns over 60% of the body can lead to significant fluid loss, infection risk, and systemic complications. Choice B is incorrect because full-thickness burns on a specific area of the arm, even if full-thickness, are not as extensive as 60% TBSA involvement. Choice C is incorrect as partial-thickness burns across 25% of the body, not involving critical areas, do not meet the criteria for a critical burn based on TBSA. Choice D is also incorrect as partial-thickness burns on 25% of the body, not involving critical areas, do not meet the criteria for a critical burn based on TBSA.

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The correct answer is A: Smoking cessation. Smoking cessation would lead to a longer life span due to the numerous harmful effects of smoking on health, such as increased risk of cardiovascular diseases, respiratory problems, and cancer. Quitting smoking reduces these risks and improves overall health, thus increasing life expectancy. Choice B, limiting physical activity, would have a negative impact on health as regular physical activity is essential for maintaining a healthy lifestyle and preventing chronic diseases. Choice C, eating only one vegetable a day, would not support optimal health as a varied and balanced diet rich in fruits and vegetables is important for overall well-being and longevity. In summary, smoking cessation is the most effective public health change to increase life span compared to limiting physical activity or restricting vegetable intake.

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The correct answer is D: Transports oxygen and hormones to cells. The circulatory system includes the heart, blood vessels, and blood. The main function is to transport oxygen and nutrients to cells and remove waste products. Oxygen is carried by red blood cells, while hormones are transported in the bloodstream. A: Senses and interprets information from the environment - This function is carried out by the nervous system, particularly the sensory organs like eyes and ears. B: Cushions the brain and spinal cord - This function is performed by the cerebrospinal fluid and protective structures like the skull and vertebrae. C: Allows humans to reproduce - Reproduction is controlled by the reproductive system, not the circulatory system. In summary, the circulatory system's primary function is to transport oxygen and hormones to cells, making option D the correct choice.

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The correct answer is A: Chronic renal failure. Chronic renal failure is a disorder of the urinary system where the kidneys are unable to effectively filter waste products from the blood. This leads to a buildup of waste products and toxins in the body, causing various symptoms and complications. Rationale: 1. Chronic renal failure specifically refers to the long-term and progressive decline in kidney function, leading to impaired waste filtration. 2. Urinary tract infection (B) is an infection in any part of the urinary system, not a disorder of kidney filtration. 3. Urinary incontinence (C) is the inability to control urination, not related to kidney filtration. 4. End-stage renal disease (D) is the final stage of chronic renal failure where the kidneys have lost most of their function, making it a severe consequence of chronic renal failure, not the disorder itself.