Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

Ücretsiz yazdırılabilir Laboratuvar değerleri ve elektrolitler çalışma kâğıdı: kolaydan sınav düzeyine 8 soru ve cevap anahtarı. Yazdırın ya da PDF olarak kaydedin.

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1.Kolay

In a person with HIV infection, a CD4 count below which level defines AIDS?

  1. A500 cells/µL
  2. B1,000 cells/µL
  3. C200 cells/µL
  4. D50 cells/µL
2.Kolay

Why is glucose normally absent from the urine?

  1. AGlucose is changed into ketones before it reaches the urine
  2. BThe bladder lining breaks down any glucose that reaches the urine
  3. CThe tubules reabsorb all filtered glucose at normal blood levels
  4. DThe glomeruli do not filter glucose out of the blood at any level
3.Kolay

What is the usual target INR for a patient taking warfarin for a deep vein thrombosis?

  1. A0,8–1,2
  2. B2,0–3,0
  3. C4,0–5,0
  4. D1,0–1,5
4.Orta

A patient with a low clinical probability of deep vein thrombosis has a normal (negative) D-dimer. What is the best interpretation?

  1. AA DVT is confirmed and anticoagulation is needed
  2. BA DVT is unlikely and can usually be ruled out
  3. CA pulmonary embolism is now certain to be present
  4. DThe test is useless and should always be ignored
5.Orta

A patient on peritoneal dialysis notices that the drained fluid is cloudy and has abdominal pain. What should the nurse do?

  1. ASend the fluid for cell count and culture and report it
  2. BAdd more glucose to the next bag to clear the fluid
  3. CStop dialysis for a week and recheck the fluid later
  4. DRecord it as normal and continue the usual exchanges
6.Orta

A patient has a calcium of 7,0 mg/dL (1,75 mmol/L) and tingling around the mouth. Which nursing measure is most appropriate?

  1. APut seizure precautions in place and report the result
  2. BPromote walking to move calcium back into the bone
  3. CEncourage 3 L of fluid per day to dilute the calcium
  4. DLimit dairy products until the level falls again
7.Zor

A patient has a sodium of 150 mEq/L, a glucose of 180 mg/dL and a BUN of 28 mg/dL. Using the formula 2 × Na + glucose/18 + BUN/2,8, what is the calculated serum osmolality?

  1. AAbout 358 mOsm/kg, which is high
  2. BAbout 300 mOsm/kg, which is normal
  3. CAbout 320 mOsm/kg, which is high
  4. DAbout 285 mOsm/kg, which is normal
8.Zor

A patient's low calcium does not improve despite several days of calcium replacement. Which other electrolyte should be checked and corrected?

  1. AMagnesium
  2. BBicarbonate
  3. CChloride
  4. DSodium

Cevap anahtarı

  1. 1. C · 200 cells/µL
  2. 2. C · The tubules reabsorb all filtered glucose at normal blood levels
  3. 3. B · 2,0–3,0
  4. 4. B · A DVT is unlikely and can usually be ruled out
  5. 5. A · Send the fluid for cell count and culture and report it
  6. 6. A · Put seizure precautions in place and report the result
  7. 7. C · About 320 mOsm/kg, which is high
  8. 8. A · Magnesium

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