Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

Which ECG change is linked to hypercalcemia?

  1. AA shortened QT interval
  2. BProminent U waves
  3. CA prolonged QT interval
  4. DTall, peaked T waves
2.Makkelijk

What is a typical adult reference range for total serum bilirubin?

  1. AAbout 0,3–1,2 mg/dL (5–21 µmol/L)
  2. BAbout 3–12 mg/dL (51–205 µmol/L)
  3. CAbout 0,03–0,1 mg/dL (0,5–1,7 µmol/L)
  4. DAbout 10–20 mg/dL (171–342 µmol/L)
3.Makkelijk

Which blood test is the usual measure of a person's vitamin D status?

  1. AParathyroid hormone
  2. B25-hydroxyvitamin D
  3. C1,25-dihydroxyvitamin D
  4. DSerum phosphate
4.Gemiddeld

A patient on levothyroxine has palpitations, weight loss and a TSH of 0,05 mIU/L. What is the most likely explanation?

  1. AThe patient has stopped the drug
  2. BThe levothyroxine dose is too low
  3. CThe levothyroxine dose is too high
  4. DThe thyroid is now completely normal
5.Gemiddeld

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. AExpected muscle activity from shivering in fever
  2. BWorsening tissue perfusion that needs urgent reporting
  3. CImproving circulation as the fluids start to work
  4. DA normal response to IV fluids in the first hours
6.Gemiddeld

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

After a crush injury, a patient's urine dipstick is strongly positive for blood, but microscopy shows almost no red cells. CK is very high. What best explains this?

  1. AA kidney stone is scraping the ureter lining
  2. BThe sample was contaminated with menstrual blood
  3. CMyoglobin from damaged muscle is in the urine
  4. DBleeding is coming from the bladder lining
8.Moeilijk

A man of Mediterranean descent develops dark urine, jaundice and a falling hemoglobin a few days after eating fava beans. Which condition is most likely?

  1. AVitamin B12 deficiency anemia
  2. BG6PD deficiency with acute hemolysis
  3. CSickle cell crisis with vaso-occlusion
  4. DIron-deficiency anemia from poor diet

Antwoordenblad

  1. 1. A · A shortened QT interval
  2. 2. A · About 0,3–1,2 mg/dL (5–21 µmol/L)
  3. 3. B · 25-hydroxyvitamin D
  4. 4. C · The levothyroxine dose is too high
  5. 5. B · Worsening tissue perfusion that needs urgent reporting
  6. 6. B · Put seizure precautions in place and report the result
  7. 7. C · Myoglobin from damaged muscle is in the urine
  8. 8. B · G6PD deficiency with acute hemolysis

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