Nursing interventions such as taking daily weights, I&O, and monitoring specific gravity relate to which kidney function?
Regulation of water balance
Regulation of acid-base balance
Regulation of blood pressure
Regulation of metabolic wastes
The Correct Answer is A
Choice A reason: The regulation of water balance by the kidneys involves maintaining the appropriate volume and concentration of body fluids. By taking daily weights, nurses can assess fluid retention or loss, while monitoring intake and output (I&O) helps track fluid balance. Specific gravity measures the concentration of urine, which provides information about the kidneys' ability to concentrate or dilute urine. These interventions directly relate to the kidneys' role in regulating water balance.
Choice B reason: Regulation of acid-base balance by the kidneys involves maintaining the proper pH levels in the blood through excretion or retention of hydrogen ions and bicarbonate. While important, this function is not the primary focus of interventions like daily weights, I&O, and specific gravity monitoring, which are more related to water balance.
Choice C reason: The regulation of blood pressure by the kidneys is achieved through the renin-angiotensin-aldosterone system, which controls blood volume and systemic vascular resistance. Although fluid balance can indirectly affect blood pressure, the specific interventions mentioned are more directly related to water balance than blood pressure regulation.
Choice D reason: Regulation of metabolic wastes involves the kidneys filtering and excreting waste products from the blood. This function is vital for overall health, but interventions like daily weights, I&O, and specific gravity monitoring are more focused on assessing fluid balance rather than directly measuring waste elimination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Blood clots form more easily in mechanical replacement valves due to the artificial surface of the valve, which can cause the blood to clot more readily. This increases the risk of thromboembolic events, such as stroke or valve obstruction. Therefore, patients with mechanical valves need to take anticoagulants for life to prevent clot formation and ensure the valve functions effectively.
Choice B reason: The statement that the vein taken from the leg reduces circulation in the leg is incorrect in this context. Vein grafts from the leg are typically used in coronary artery bypass grafting (CABG) surgery, not in valve replacement surgery. Therefore, this explanation does not apply to the patient's situation of needing anticoagulants after valve replacement surgery.
Choice C reason: The idea that the valve replacement surgery left a lot of small clots in the heart and lungs is not accurate. The surgery itself does not leave clots; rather, the ongoing risk of clot formation is due to the presence of the mechanical valve. This risk necessitates lifelong anticoagulation.
Choice D reason: The mechanical valve does not place the patient at a greater risk for a heart attack specifically. The concern with mechanical valves is the increased risk of blood clot formation, which is why anticoagulants are prescribed. Heart attacks are typically caused by blockages in the coronary arteries, which is a different issue.
Correct Answer is B
Explanation
Choice A reason: The rehabilitative phase of burn care focuses on restoring function, improving cosmetic appearance, and achieving the best possible quality of life for the patient. This phase typically begins after the wound has healed and continues for months to years. The care priorities mentioned, such as wound care and nutritional support, indicate that the patient is still in a more active phase of treatment rather than the long-term rehabilitative phase.
Choice B reason: The acute phase of burn care starts after the initial resuscitation and continues until the wound is closed. During this phase, the primary focus is on wound care, nutritional support, and prevention of complications like infection. The goal is to promote healing, prevent infection, and address the patient's nutritional needs to support recovery. This phase aligns with the care priorities mentioned in the question.
Choice C reason: The emergent phase, also known as the resuscitative phase, begins at the time of injury and continues for the first 24-48 hours. The primary focus during this phase is on stabilizing the patient's condition, managing airway and breathing, fluid resuscitation, and addressing immediate life-threatening issues. The care priorities in the question indicate that the patient has moved beyond the initial resuscitative efforts.
Choice D reason: The immediate resuscitative phase overlaps with the emergent phase and focuses on providing immediate life-saving measures to stabilize the patient. This includes fluid resuscitation, airway management, and treating shock. The care priorities mentioned in the question suggest that the patient is beyond the initial resuscitative efforts and is in a more ongoing phase of treatment.
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