Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

Which type of white blood cell is normally the most numerous in an adult's blood?

1. AMonocytes
2. BNeutrophils
3. CEosinophils
4. DLymphocytes

A blood lactate level above about which value is usually considered raised in an adult?

1. A0,2 mmol/L
2. B10 mmol/L
3. C2 mmol/L
4. D20 mmol/L

What does a positive direct antiglobulin test (direct Coombs test) show?

1. AThe patient's platelets are clumping together in the blood sample
2. BAntibodies or complement are attached to the patient's red cells
3. CThe patient's plasma is missing the clotting factor VIII
4. DThe patient's red cells are too small and contain little hemoglobin

A patient with chronic kidney disease has a potassium of 5,6 mEq/L. Which food should the nurse advise the patient to limit?

1. AWhite rice
2. BApples
3. CCabbage
4. DBananas

A patient has macrocytic anemia with numbness and tingling of the feet and poor balance. Which deficiency is most likely?

1. AIron (low ferritin)
2. BVitamin B₁₂
3. CVitamin C (ascorbic acid)
4. DFolate (folic acid)

Welke laboratoriumwaarde weerspiegelt het best de oorzaak van verwardheid bij een patiënt met ernstige leverziekte en een klapperende tremor?

1. AAlleen een laag serumkalium
2. BEen verhoogd troponine
3. CEen laag serumlipase
4. DEen verhoogd serumammoniak

A trauma patient receives many units of blood quickly and then develops muscle twitching and low blood pressure. Which laboratory value is most likely to explain this?

1. AA low ionized calcium
2. BA high serum sodium
3. CA low serum glucose
4. DA high serum magnesium

A patient has sudden episodes of severe headache, sweating, palpitations and very high blood pressure. Which test is most useful to look for the cause?

1. APlasma free metanephrines
2. BSerum TSH and free T₄
3. CFasting lipid profile
4. DSerum calcium only