Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

A patient has a hemoglobin of 19,5 g/dL (195 g/L) and a hematocrit of 58%. Which term describes this?

  1. AIron-deficiency anemia
  2. BThrombocytopenia (low platelets)
  3. CPolycythemia (erythrocytosis)
  4. DPancytopenia (all cells low)
2.Makkelijk

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

  1. A70 mg/dL (3,9 mmol/L)
  2. B100 mg/dL (5,6 mmol/L)
  3. C40 mg/dL (2,2 mmol/L)
  4. D126 mg/dL (7,0 mmol/L)
3.Makkelijk

What is a typical reference range for the hematocrit in an adult woman?

  1. AAbout 20–28%
  2. BAbout 37–47%
  3. CAbout 10–15%
  4. DAbout 55–65%
4.Gemiddeld

A patient with type 1 diabetes has the flu, is eating little and has a glucose of 290 mg/dL (16,1 mmol/L). Which advice is correct?

  1. AWait 3 days before checking the glucose again
  2. BKeep taking insulin and check blood or urine ketones
  3. CStop all insulin until you are eating normally again
  4. DDrink only water and avoid all carbohydrate foods
5.Gemiddeld

A patient with hyperkalemia is prescribed an oral potassium binder such as patiromer or sodium zirconium cyclosilicate. How does this drug lower potassium?

  1. AIt stops the kidneys from absorbing water in the tubules
  2. BIt protects the heart muscle against high potassium levels
  3. CIt moves potassium into cells in the next few minutes
  4. DIt binds potassium in the gut so it leaves in the stool
6.Gemiddeld

Bij chronische nierziekte gaat een hoog serumfosfaat meestal samen met welke verandering in calcium?

  1. AAlleen een hoog serumkalium, zonder verandering in calcium
  2. BEen laag serumcalcium
  3. CEen hoog serumcalcium
  4. DGeen verandering in calcium
7.Moeilijk

Which set of results most strongly suggests hemolytic anemia?

  1. ALow hemoglobin, high reticulocytes, high unconjugated bilirubin, high LDH
  2. BLow hemoglobin, low reticulocytes, low MCV, low ferritin
  3. CLow hemoglobin, high MCV, low vitamin B12, normal bilirubin
  4. DLow hemoglobin, low platelets, low white cells, low reticulocytes
8.Moeilijk

A stable patient's hemoglobin has been 13–14 g/dL for days. Today's result is 8,2 g/dL, but the patient feels well, the vital signs are normal and there is no bleeding. What should the nurse suspect first?

  1. AA normal day-to-day variation in Hb
  2. BAcute bone marrow failure overnight
  3. CA sample taken from the wrong patient
  4. DSudden massive internal bleeding

Antwoordenblad

  1. 1. C · Polycythemia (erythrocytosis)
  2. 2. A · 70 mg/dL (3,9 mmol/L)
  3. 3. B · About 37–47%
  4. 4. B · Keep taking insulin and check blood or urine ketones
  5. 5. D · It binds potassium in the gut so it leaves in the stool
  6. 6. B · Een laag serumcalcium
  7. 7. A · Low hemoglobin, high reticulocytes, high unconjugated bilirubin, high LDH
  8. 8. C · A sample taken from the wrong patient

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