Робочий аркуш «Лабораторні показники та електроліти» з відповідями

Безкоштовний робочий аркуш для друку «Лабораторні показники та електроліти»: 8 задач від легких до рівня іспиту, з ключем відповідей. Роздрукуйте його або збережіть як PDF.

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1.Легка

Which laboratory test is used to monitor warfarin therapy?

  1. APlatelet count
  2. BPT with INR
  3. CaPTT
  4. DD-dimer
2.Легка

Below about which blood glucose level is hypoglycemia usually defined and treated in a person with diabetes?

  1. A40 mg/dL (2,2 mmol/L)
  2. B126 mg/dL (7,0 mmol/L)
  3. C70 mg/dL (3,9 mmol/L)
  4. D100 mg/dL (5,6 mmol/L)
3.Легка

What is the main effect of aldosterone on the kidneys?

  1. ASodium is retained and potassium is excreted
  2. BGlucose is retained and urea is excreted
  3. CCalcium is retained and phosphate is excreted
  4. DSodium is excreted and potassium is retained
4.Середня

A patient with sepsis has a lactate of 2,1 mmol/L on admission and 4,3 mmol/L two hours later, despite IV fluids. What does this suggest?

  1. AWorsening tissue perfusion that needs urgent reporting
  2. BA normal response to IV fluids in the first hours
  3. CExpected muscle activity from shivering in fever
  4. DImproving circulation as the fluids start to work
5.Середня

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. AEncourage 3 L of fluid per day to dilute the calcium
  2. BPut seizure precautions in place and report the result
  3. CLimit dairy products until the level falls again
  4. DPromote walking to move calcium back into the bone
6.Середня

A patient is scheduled for a liver biopsy. Which laboratory results should the nurse check before the procedure?

  1. APlatelet count and PT/INR
  2. BTSH and free T4
  3. CHbA1c and lipid panel
  4. DSerum sodium and chloride
7.Складна

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

Four results arrive at the same time. Which patient should the nurse see first?

  1. AGlucose 48 mg/dL (2,7 mmol/L) in a patient who had insulin an hour ago
  2. BWhite cell count 12,0 × 10³/µL on the first day after surgery
  3. CHemoglobin 10,4 g/dL (104 g/L) in a patient with stable chronic kidney disease
  4. DINR 2,6 in a patient on warfarin for atrial fibrillation

Ключ відповідей

  1. 1. B · PT with INR
  2. 2. C · 70 mg/dL (3,9 mmol/L)
  3. 3. A · Sodium is retained and potassium is excreted
  4. 4. A · Worsening tissue perfusion that needs urgent reporting
  5. 5. B · Put seizure precautions in place and report the result
  6. 6. A · Platelet count and PT/INR
  7. 7. A · About 320 mOsm/kg, which is high
  8. 8. A · Glucose 48 mg/dL (2,7 mmol/L) in a patient who had insulin an hour ago

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