Acute Kidney Injury Overview

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Questions and Answers

What is the condition characterized by the involuntary loss of urine?

  • Anuria
  • Dysuria
  • Hematuria
  • Incontinence (correct)

Which term describes excessive urination at night?

  • Dysuria
  • Polyuria
  • Nocturia (correct)
  • Oliguria

What does a high fractional excretion of sodium (FENa) indicate in patients with low urine output?

  • Sodium retention by the kidney
  • Normal kidney function
  • Sodium wasting due to acute tubular necrosis (correct)
  • Chronic kidney disease

What does anuria indicate?

<p>Urine output zero or less than 50 ml/day (C)</p> Signup and view all the answers

Which of the following conditions is most commonly associated with hypocalcemia?

<p>Acute pancreatitis (B)</p> Signup and view all the answers

Which condition is associated with the presence of red blood cells in the urine?

<p>Hematuria (A)</p> Signup and view all the answers

What does azotemia signify in a patient?

<p>Elevation of nitrogenous wastes (A)</p> Signup and view all the answers

In which scenario would you expect secondary hyperparathyroidism to occur?

<p>Hypocalcemia due to vitamin D deficiency (A)</p> Signup and view all the answers

Which of the following represents painful or difficult voiding?

<p>Dysuria (B)</p> Signup and view all the answers

What is the expected effect of increased production of parathyroid hormone (PTH) in primary hyperparathyroidism?

<p>Increased serum calcium (C)</p> Signup and view all the answers

Which laboratory value indicates normal calcium levels?

<p>8.5 - 10.5 mg/dL (D)</p> Signup and view all the answers

What laboratory value is critical in diagnosing calcium imbalances?

<p>Total serum calcium levels (C)</p> Signup and view all the answers

What does low fractional excretion of sodium (FENa) suggest?

<p>Sodium retention by the kidney (B)</p> Signup and view all the answers

What could be a common non-drug cause of hypernatremia?

<p>Water deprivation (B)</p> Signup and view all the answers

Which electrolyte disorder is less common than sodium imbalances?

<p>Hypercalcemia (A)</p> Signup and view all the answers

Which type of hyperparathyroidism occurs due to long-term adaptation to chronic hypocalcemia?

<p>Tertiary hyperparathyroidism (B)</p> Signup and view all the answers

What is a primary treatment for hypercalcemia caused by cancer?

<p>Calcitonin (A)</p> Signup and view all the answers

Which medication is commonly used to manage hypercalcemia by controlling overactive parathyroid glands?

<p>Cinacalcet (D)</p> Signup and view all the answers

What is a major complication associated with the use of bisphosphonates for hypercalcemia treatment?

<p>Osteonecrosis of the jaw (A)</p> Signup and view all the answers

What condition may occur if hypomagnesemia becomes severe?

<p>Seizures (D)</p> Signup and view all the answers

What percentage of the body's magnesium is stored in bones?

<p>50% (A)</p> Signup and view all the answers

Which symptom is NOT associated with hypomagnesemia?

<p>High blood pressure (A)</p> Signup and view all the answers

Under what condition does hypermagnesemia typically develop?

<p>Chronic kidney failure (B)</p> Signup and view all the answers

Which of the following best describes the role of magnesium in the body?

<p>It is essential for bone formation and enzyme function. (C)</p> Signup and view all the answers

What is a common symptom of hypermagnesemia?

<p>Muscle weakness (B)</p> Signup and view all the answers

Which of the following describes a consequence of acute kidney injury (AKI)?

<p>Inability to excrete waste (D)</p> Signup and view all the answers

What is a primary cause of hypophosphatemia?

<p>Chronic alcoholism (C)</p> Signup and view all the answers

Which of the following correctly describes acidosis?

<p>Arterial blood pH below 7.35 (A)</p> Signup and view all the answers

What symptom is associated with severe hypophosphatemia?

<p>Neurologic confusion (B)</p> Signup and view all the answers

Which electrolyte is considered the 4th most abundant in the body?

<p>Magnesium (D)</p> Signup and view all the answers

In the treatment of mild hypophosphatemia, which is an appropriate intervention?

<p>Oral vitamin D (D)</p> Signup and view all the answers

Which of the following represents a typical treatment for hypermagnesemia?

<p>Diuretics (C), Calcium gluconate (D)</p> Signup and view all the answers

What is one of the primary functions of the kidneys?

<p>Producing erythropoietin for RBC production (A)</p> Signup and view all the answers

Which condition is commonly associated with hyperphosphatemia?

<p>Chronic renal failure (A)</p> Signup and view all the answers

What is a consequence of electrolyte imbalances in the body?

<p>Altered muscle and nerve function (B)</p> Signup and view all the answers

Which factor is NOT associated with causing acute kidney injury (AKI)?

<p>Excessive physical exercise (C)</p> Signup and view all the answers

What role do the kidneys play in regulating the acid-base balance in the body?

<p>They regulate bicarbonate levels by making or wasting HCO3- (B)</p> Signup and view all the answers

Which condition is characterized by excessive urination?

<p>Polyuria (C)</p> Signup and view all the answers

What defines acute kidney injury (AKI)?

<p>Sudden decrease in kidney function (B)</p> Signup and view all the answers

What is one of the medication-related causes of acute kidney injury?

<p>High-dose acetaminophen (A)</p> Signup and view all the answers

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Study Notes

Acute Kidney Injury (AKI)

  • An acute decline in renal function causing difficulties in properly excreting waste (BUN & SCr) and maintaining acid-base balance
  • Characterized by a rapid decrease in kidney function, glomerular filtration rate (GFR), over a short period (hours, days, or weeks)
  • Usually associated with an accumulation of waste products and fluid
  • Represents renal insufficiency with abnormal biochemical values and altered homeostasis
  • Can lead to fluid overload and persistent acid-base abnormalities resulting in electrolyte imbalances

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