Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

Gratis printbaar werkblad Laboratoriumwaarden en elektrolyten: 8 opgaven van makkelijk tot tentamenniveau, met antwoordenblad. Print het of sla het op als pdf.

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Naam: ____________________   Datum: ____________

1.Makkelijk

For a fasting plasma glucose test, the patient should have had no caloric intake for at least:

  1. A1 hour
  2. B3 hours
  3. C24 hours
  4. D8 hours
2.Makkelijk

A raised alkaline phosphatase (ALP) is most typical of:

  1. ABlocked bile flow or increased bone turnover
  2. BLow production of hormone by the thyroid gland
  3. CAcute damage to the heart muscle
  4. DInflammation of the lining of the urinary bladder
3.Makkelijk

Wanneer een bloeddrukmanchet om de arm wordt opgeblazen, krijgt de hand van de patiënt een kramp met gebogen pols. Op welke elektrolytstoornis wijst dit teken?

  1. AHypocalciëmie
  2. BHypercalciëmie
  3. CHyperkaliëmie
  4. DHypernatriëmie
4.Gemiddeld

Why must a blue-top (citrate) coagulation tube be filled to the correct level?

  1. AThe laboratory charges extra when a tube is not filled correctly
  2. BAn overfull tube is needed to measure the potassium level
  3. CThe blood-to-anticoagulant ratio must be right for accurate clotting times
  4. DUnderfilled tubes always give a falsely low hemoglobin and hematocrit
5.Gemiddeld

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

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

How does normal pregnancy usually affect serum creatinine?

  1. AIt rises, because GFR falls
  2. BIt stays exactly the same
  3. CIt falls, because GFR rises
  4. DIt rises with every week
7.Moeilijk

A patient with a heart murmur and fever has three sets of blood cultures, taken hours apart, all growing the same Streptococcus species. What does this suggest?

  1. APersistent bacteremia, as in infective endocarditis
  2. BContamination of all three samples during collection
  3. CA urinary tract infection that has spread to the skin
  4. DA normal finding in patients with heart murmurs
8.Moeilijk

A 68-year-old man has fatigue, a hemoglobin of 9,8 g/dL (98 g/L), an MCV of 72 fL and a low ferritin. He eats a normal diet. What is the most important next step?

  1. AStart vitamin B12 injections
  2. BLook for a source of blood loss in the gut
  3. CRepeat the blood count in one year
  4. DGive iron and do no further tests at all

Antwoordenblad

  1. 1. D · 8 hours
  2. 2. A · Blocked bile flow or increased bone turnover
  3. 3. A · Hypocalciëmie
  4. 4. C · The blood-to-anticoagulant ratio must be right for accurate clotting times
  5. 5. B · Send the fluid for cell count and culture and report it
  6. 6. C · It falls, because GFR rises
  7. 7. A · Persistent bacteremia, as in infective endocarditis
  8. 8. B · Look for a source of blood loss in the gut

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