2026 Renal System Review Study CCRN Quiz (11 Questions And Complete Answers)
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Which of the following definitions is considered end-stage renal disease (ESRD)?
1. A threefold increase in SCr
2. A decrease in GFR by 75%
3. Complete loss of function for > 4 weeks
4. Complete loss of function for > 3 months
1. A threefold increase in SCr
2. A decrease in GFR by 75%
3. Complete loss of function for > 4 weeks
4. Complete loss of function for > 3 months
Complete loss of function for > 3 months
Which of the following drugs cause prerenal failure by blocking the vasoconstriction of the efferent arterioles?
1. NSAIDs
2. Aminoglycosides
3. Contrast medium
4. ACE inhibitor
1. NSAIDs
2. Aminoglycosides
3. Contrast medium
4. ACE inhibitor
ACE inhibitor
Which of the following is characteristic of rhabdomyolysis?
1. Tea-colored urine
2. Bloody urine
3. White cell casts in urine
4. Tubular epithelial casts
1. Tea-colored urine
2. Bloody urine
3. White cell casts in urine
4. Tubular epithelial casts
Tea-colored urine
Which of the following laboratory findings could be expected in ATN?
1. Hypophosphatemia
2. Decreased urine osmolality
3. Decreased urine sodium
4. Elevated BUN:creatinine ratio
1. Hypophosphatemia
2. Decreased urine osmolality
3. Decreased urine sodium
4. Elevated BUN:creatinine ratio
Decreased urine osmolality
Which of the following descriptions best describes ultrafiltration?
1. Movement of water by pressure gradient and transport of small and larger molecular-weight solutes
2. Movement of solutes from area of higher to an area of lower concentration
3. Water is transported by gradient pressure across a semipermeable membrane
4. Countercurrent is used to pull solutes across a semipermeable membrane
1. Movement of water by pressure gradient and transport of small and larger molecular-weight solutes
2. Movement of solutes from area of higher to an area of lower concentration
3. Water is transported by gradient pressure across a semipermeable membrane
4. Countercurrent is used to pull solutes across a semipermeable membrane
Water is transported by gradient pressure across a semipermeable membrane
An ICU patient with sepsis develops elevated creatinine and BUN levels. The urine output is 10 mL/hr and has potassium of 5.6 mEq/L. CVVHD as well as mechanical ventilation are initiated as a result of onset of ARDS. Over the next 24 hours, the patient devel- ops significant hypophosphatemia. Which of the following is the most likely cause of the hypophosphatemia?
1. CRRT
2. Azotemia
3. Mechanical ventilation
4. Hyperkalemia
1. CRRT
2. Azotemia
3. Mechanical ventilation
4. Hyperkalemia
CRRT
The author seems to:
1. Prefer low pitched tones.
2. Be an experienced public speaker.
3. Prefer shrill, grating, and brassy voice.
4. Have no particular reactions to different voices.
1. Prefer low pitched tones.
2. Be an experienced public speaker.
3. Prefer shrill, grating, and brassy voice.
4. Have no particular reactions to different voices.
Prefer low pitched tones.
What is the main idea of this passage?
1. Trees are very different depending on their climate and location.
2. Trees are the same regardless of their their climate and location.
3. There are only three types of trees in the United States.
4. There is only one type of tree found in the United States.
1. Trees are very different depending on their climate and location.
2. Trees are the same regardless of their their climate and location.
3. There are only three types of trees in the United States.
4. There is only one type of tree found in the United States.
Trees are very different depending on their climate and location.
Which of the following is not listed as a detail in the passage?
1. Kentucky, the center of the broad-leaved belt, has several thousand different varieties of trees.
2. Trees that do well on the north side require plenty of moisture and cool weather.
3. Trees that prosper on south exposures are equipped to resist late and early frosts as well as very hot sunshine
4. In some parts of the United States forestry experts can tell where they are by the local tree growth.
1. Kentucky, the center of the broad-leaved belt, has several thousand different varieties of trees.
2. Trees that do well on the north side require plenty of moisture and cool weather.
3. Trees that prosper on south exposures are equipped to resist late and early frosts as well as very hot sunshine
4. In some parts of the United States forestry experts can tell where they are by the local tree growth.
Kentucky, the center of the broad-leaved belt, has several thousand different varieties of trees.
A hyponatremia develops following a traumatic brain injury in the ICU. Which of the following laboratory values would indicate hemodilution as the cause of the hyponatremia?
1. Normal serum chloride level
2. Hyperosmolality
3. Low serum chloride level
4. Elevated hematocrit
1. Normal serum chloride level
2. Hyperosmolality
3. Low serum chloride level
4. Elevated hematocrit
Normal serum chloride level
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