Appropriate therapy for prerenal kidney injury includes:

Protein restriction.

Potassium supplementation.

Fluid administration to increase cardiac output.

Fluid restriction.

Answer and Explanation

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.

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Correct Answer is C

Explanation

Choice A reason: Severe hypotension is associated with prerenal acute kidney injury, not postrenal. Prerenal acute kidney injury results from decreased blood flow to the kidneys due to conditions like severe hypotension, leading to reduced kidney perfusion.

Choice B reason: Acute tubular necrosis (ATN) is a form of intrinsic or intrarenal acute kidney injury, not postrenal. ATN is typically caused by prolonged ischemia or exposure to nephrotoxic agents, which directly damage the kidney tubules.

Choice C reason: Postrenal acute kidney injury is caused by an obstruction in the urinary tract that prevents urine from leaving the kidneys, leading to increased pressure and kidney damage. Bilateral kidney stones partially blocking the flow of urine can cause such an obstruction, leading to postrenal acute kidney injury.

Choice D reason: Glomerulonephritis is a type of intrinsic or intrarenal acute kidney injury, not postrenal. It involves inflammation and damage to the glomeruli, the filtering units within the kidneys, and is not typically caused by an obstruction in the urinary tract.

A. Red-orange colored bodily secretions B. Tingling sensation in fingers and toes. This symptom can be improved by taking vitamin B6 (pyridoxine) C. Difficulty distinguishing the color red from green D. Light sensitivity

Correct Answer is B

Explanation

Choice A reason: Red-orange colored bodily secretions are a well-known side effect of the medication rifampin, not isoniazid. Rifampin is often used in combination therapy for tuberculosis, and it can cause the patient's urine, sweat, tears, and other bodily fluids to become red or orange in color. However, this specific side effect is not associated with isoniazid, which is used as a part of the treatment regimen for tuberculosis but does not cause this particular discoloration.

Choice B reason: Tingling sensation in fingers and toes, also known as peripheral neuropathy, is a recognized side effect of isoniazid. Isoniazid can interfere with vitamin B6 (pyridoxine) metabolism, leading to a deficiency. This deficiency causes neuropathy, resulting in tingling, numbness, or burning sensations in the extremities. To prevent this side effect, patients receiving isoniazid are often prescribed vitamin B6 supplements. These supplements help prevent the development of peripheral neuropathy by ensuring adequate levels of vitamin B6 in the body, which is essential for nerve health.

Choice C reason: Difficulty distinguishing the color red from green, or color blindness, is not a side effect of isoniazid. Color vision deficiency is not associated with the use of isoniazid. Other medications, such as ethambutol, used in tuberculosis treatment can cause visual disturbances, including changes in color vision, but isoniazid does not typically affect color perception. Isoniazid's primary neurological side effect is peripheral neuropathy rather than issues with color vision.

Choice D reason: Light sensitivity, or photophobia, is not a common side effect of isoniazid. This symptom is more likely to be associated with other conditions or medications that affect the eyes or central nervous system. Isoniazid's side effects are primarily related to liver toxicity and peripheral neuropathy, rather than causing sensitivity to light. Therefore, experiencing photophobia would not be directly attributable to isoniazid therapy and would require further investigation to determine the underlying cause.

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Appropriate therapy for prerenal kidney injury includes:

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Postrenal acute kidney injury may be caused by:

Correct Answer is C

Explanation

A nurse is monitoring a client receiving Isoniazid for adverse effects. The nurse determines that the client is experiencing a side effect of the medication, in which of the following?

Correct Answer is B

Explanation

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