NAVLE Practice Test 4

10 free NAVLE practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

NAVLE Practice Test 4Tutor mode

Question 1 of 10

Clinical Practice

A 10-year-old spayed female Shetland sheepdog is presented for increased thirst and urination and weight loss over 3 months. Temperature 101.0°F (38.3°C), heart rate 96 beats/min, respiratory rate 20 breaths/min. Body condition score is 4/9, and both kidneys are small and irregular on palpation. Systolic blood pressure is 150 mm Hg. Results from a sample taken while she was well hydrated are shown; similar values were found 2 weeks earlier. Urine sediment is inactive and urine culture is negative. Which of the following best describes her chronic kidney disease using the IRIS system?

Serum chemistry and urinalysis
AnalyteResultReference rangeResult (SI)Reference range (SI)
Creatinine3.4 mg/dL0.5–1.8 mg/dL301 µmol/L44–159 µmol/L
BUN (urea)62 mg/dL7–27 mg/dL22.1 mmol/L2.5–9.6 mmol/L
Phosphorus6.0 mg/dL2.5–6.8 mg/dL1.94 mmol/L0.81–2.20 mmol/L
Urine specific gravity1.012>1.0301.012>1.030
Urine protein:creatinine ratio0.8<0.50.8<0.5