Appropriate therapy for prerenal kidney injury includes:
Protein restriction.
Potassium supplementation.
Fluid administration to increase cardiac output.
Fluid restriction.
The Correct Answer is C
Choice A reason: Protein restriction is not a primary treatment for prerenal kidney injury. While managing protein intake can be important in chronic kidney disease to reduce the workload on the kidneys, it is not directly relevant to the acute management of prerenal kidney injury, which primarily involves restoring adequate blood flow to the kidneys.
Choice B reason: Potassium supplementation is not typically necessary for prerenal kidney injury. In fact, in many cases of kidney injury, there is a risk of hyperkalemia (elevated potassium levels) due to reduced kidney function. Therefore, potassium levels need to be monitored, but supplementation is not a standard treatment.
Choice C reason: Fluid administration to increase cardiac output is the appropriate therapy for prerenal kidney injury. Prerenal kidney injury is caused by reduced blood flow to the kidneys, often due to factors like hypovolemia (low blood volume) or heart failure. Administering fluids helps to restore adequate blood flow and perfusion to the kidneys, which can improve kidney function and resolve the prerenal injury.
Choice D reason: Fluid restriction is not appropriate for prerenal kidney injury, which is characterized by reduced blood flow to the kidneys. In cases where hypovolemia or low cardiac output is the cause, restricting fluids would worsen the condition. Instead, increasing fluid intake helps to restore adequate perfusion to the kidneys.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Seizures with auras can involve symptoms such as sensory disturbances before the seizure event, but they do not typically present with fever, nuchal rigidity (stiff neck), or decreased consciousness. These symptoms suggest an infectious or inflammatory process, not a seizure disorder.
Choice B reason: Parkinson's disease is a neurodegenerative disorder characterized by tremors, stiffness, and bradykinesia (slowness of movement). It does not present with acute fever, headache, nuchal rigidity, or altered consciousness, nor is it associated with a history of sinusitis. The symptoms described are more indicative of an infectious condition rather than a chronic degenerative disease.
Choice C reason: Bacterial meningitis is an infection of the protective membranes covering the brain and spinal cord (meninges). It is characterized by symptoms such as fever, severe headache, nuchal rigidity, and altered consciousness. The history of sinusitis suggests a possible route of infection, as bacteria from the sinuses can spread to the meninges. The clinical presentation strongly supports the diagnosis of bacterial meningitis, which is a medical emergency requiring prompt treatment.
Choice D reason: Migraines can cause severe headaches and may be accompanied by nausea, vomiting, and sensitivity to light and sound. However, they do not typically cause fever, nuchal rigidity, or decreased consciousness. The presence of fever and neck stiffness suggests an infectious etiology rather than a primary headache disorder like migraines.
Correct Answer is B
Explanation
Choice A reason: Hypercalcemia refers to high levels of calcium in the blood, but a positive Chvostek sign is not indicative of hypercalcemia. In fact, hypercalcemia generally results in symptoms such as muscle weakness, fatigue, and nausea rather than the specific neuromuscular irritability seen with a positive Chvostek sign.
Choice B reason: Hypocalcemia refers to low levels of calcium in the blood and is associated with a positive Chvostek sign. The Chvostek sign is a clinical test where tapping on the facial nerve triggers twitching of the facial muscles. This occurs due to increased neuromuscular excitability caused by low calcium levels.
Choice C reason: Hypophosphatemia refers to low levels of phosphate in the blood. It is not directly associated with a positive Chvostek sign. While electrolyte imbalances can affect neuromuscular function, hypocalcemia is specifically linked to the Chvostek sign.
Choice D reason: Hypermagnesemia refers to high levels of magnesium in the blood and is not related to a positive Chvostek sign. Hypermagnesemia often causes symptoms such as muscle weakness, nausea, and hypotension rather than the neuromuscular irritability seen with a positive Chvostek sign.
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