NAVLE Practice Test 2
10 free NAVLE practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
NAVLE Practice Test 2Tutor mode
Question 1 of 10
Clinical PracticeA 4-year-old spayed female standard poodle is presented for waxing and waning lethargy, intermittent vomiting and weight loss over 6 weeks; she collapsed this morning. She receives no medications. Temperature 99.1°F (37.3°C), heart rate 64 beats/min, respiratory rate 20 breaths/min. She is weak, with poor pulses, and is 7% dehydrated. Results are shown; urine specific gravity is 1.018. Intravenous fluids are started. Which of the following is the most appropriate test to confirm the suspected diagnosis?
| Analyte | Result | Reference range | Result (SI) | Reference range (SI) |
|---|---|---|---|---|
| Sodium | 129 mEq/L | 144–160 mEq/L | 129 mmol/L | 144–160 mmol/L |
| Potassium | 7.6 mEq/L | 3.5–5.8 mEq/L | 7.6 mmol/L | 3.5–5.8 mmol/L |
| Na:K ratio | 17 | >27 | 17 | >27 |
| BUN (urea) | 64 mg/dL | 7–27 mg/dL | 22.8 mmol/L | 2.5–9.6 mmol/L |
| Creatinine | 2.4 mg/dL | 0.5–1.8 mg/dL | 212 µmol/L | 44–159 µmol/L |
| Glucose | 68 mg/dL | 70–143 mg/dL | 3.8 mmol/L | 3.9–7.9 mmol/L |
| Calcium, total | 12.4 mg/dL | 7.9–12.0 mg/dL | 3.10 mmol/L | 2.00–3.00 mmol/L |
| Lymphocytes | 3.1 × 10³/µL | 1.0–4.8 × 10³/µL | 3.1 × 10⁹/L | 1.0–4.8 × 10⁹/L |