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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Suctioning the patient immediately is not the appropriate intervention in this context. Suctioning can be necessary if the patient has secretions obstructing the airway, but it does not address the issues of bradycardia (low heart rate) and hypotension (low blood pressure) which are critical in a spinal cord injury.
Choice B reason: Administering normal saline (NS) at 25 cc/hr is not sufficient to address the patient's hypotension. In a patient with a spinal cord injury at the T5 level, hypotension is likely due to neurogenic shock, and more aggressive fluid resuscitation or pharmacological support is needed.
Choice C reason: Raising the head of the bed is not appropriate for managing the patient's condition. In fact, keeping the head elevated can worsen hypotension by reducing venous return to the heart. The focus should be on stabilizing blood pressure and heart rate.
Choice D reason: The correct intervention is starting a dopamine IV drip. Dopamine is a vasopressor that helps increase blood pressure and heart rate, which is crucial in managing neurogenic shock. By administering dopamine, the nurse can help stabilize the patient's cardiovascular status and improve perfusion to vital organs.
Correct Answer is B
Explanation
Choice A reason: The supine position is when a patient lies flat on their back. Although it is commonly used for many procedures and treatments, it is not the best position for improving oxygenation in clients with ARDS. Lying flat on the back can cause the lungs to become compressed, reducing the efficiency of gas exchange and potentially leading to further respiratory complications.
Choice B reason: The prone position, where the patient is lying face down, is the recommended position to improve oxygenation in clients with ARDS. Prone positioning helps to recruit more alveoli, improves ventilation-perfusion matching, and reduces the shunting of blood through non-ventilated areas of the lung. Studies have shown that placing patients in the prone position can significantly improve oxygenation and decrease mortality in ARDS patients.
Choice C reason: The lateral side position, where the patient lies on their side, can be used for patients with certain conditions or during recovery from some surgical procedures. However, it does not provide the same benefits for improving oxygenation in ARDS as the prone position does. Lateral positioning might help with comfort and prevent pressure sores, but it does not enhance lung function and gas exchange in the same way.
Choice D reason: The Semi-Fowler's position, where the patient's head and torso are elevated to a 30-45 degree angle, is useful for promoting respiratory comfort and reducing the risk of aspiration. While it can help improve ventilation and is beneficial for patients with respiratory distress, it does not offer the same degree of improvement in oxygenation for ARDS patients as the prone position.
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