Werkblad Laboratoriumwaarden en elektrolyten met antwoorden
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Naam: ____________________ Datum: ____________
1.Makkelijk
Welke bevinding is typisch voor een hoog serummagnesium?
ACarpale kramp wanneer een manchet wordt opgeblazen
BVerminderde of afwezige peesreflexen
COveractieve reflexen en spiertrekkingen
DEen sterke drang om water te drinken
2.Makkelijk
Which drug commonly causes a low serum potassium?
AAmiloride
BSpironolactone
CFurosemide
DLisinopril
3.Makkelijk
Using American Diabetes Association (ADA) criteria, which HbA1c range is classed as prediabetes?
A4,0–5,6% (20–38 mmol/mol)
B8,0–9,0% (64–75 mmol/mol)
C5,7–6,4% (39–47 mmol/mol)
D6,5–7,5% (48–58 mmol/mol)
4.Gemiddeld
A patient had a total thyroidectomy yesterday. Which laboratory value is most important to monitor in the first days after surgery?
ASerum glucose
BSerum calcium
CSerum sodium
DSerum potassium
5.Gemiddeld
Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?
AKidney function and thyroid function
BINR and the platelet count
CTroponin and creatine kinase (CK)
DLiver enzymes and serum amylase
6.Gemiddeld
A patient's potassium is 7,0 mEq/L. Which ECG change would the nurse expect?
AProminent U waves
BDelta waves before the QRS
CFlattened T waves
DTall, peaked T waves
7.Moeilijk
A patient has a continuous heparin infusion for a pulmonary embolism. A new nurse plans to adjust the infusion using today's INR of 1,1. What should the experienced nurse explain?
AThe INR of 1,1 means the heparin rate must be doubled at once
BHeparin needs no laboratory monitoring once the infusion is started
CThe INR is the correct test, and 1,1 means heparin is therapeutic
DHeparin is adjusted using the aPTT or anti-Xa level, not the INR
8.Moeilijk
A patient has fatigue, weight gain and constipation. Results: TSH 24 mIU/L, free T4 low, total cholesterol 285 mg/dL (7,4 mmol/L), sodium 131 mEq/L. What is the best interpretation?
AFamilial hypercholesterolemia, unrelated to the thyroid results
BSecondary hypothyroidism from failure of the pituitary gland
CHyperthyroidism, with suppressed thyroid hormone production
DPrimary hypothyroidism, which can raise lipids and lower sodium
Antwoordenblad
1. B · Verminderde of afwezige peesreflexen
2. C · Furosemide
3. C · 5,7–6,4% (39–47 mmol/mol)
4. B · Serum calcium
5. A · Kidney function and thyroid function
6. D · Tall, peaked T waves
7. D · Heparin is adjusted using the aPTT or anti-Xa level, not the INR
8. D · Primary hypothyroidism, which can raise lipids and lower sodium
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