Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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

1. A40 mg/dL (2,2 mmol/L)
2. B100 mg/dL (5,6 mmol/L)
3. C126 mg/dL (7,0 mmol/L)
4. D70 mg/dL (3,9 mmol/L)

Which gland produces thyroid-stimulating hormone (TSH)?

1. AThe parathyroid glands
2. BThe thyroid gland itself
3. CThe adrenal cortex
4. DThe anterior pituitary gland

What does the term "left shift" mean on a white cell differential?

1. AMore lymphocytes than neutrophils in the blood
2. BA rise in the number of eosinophils
3. CA fall in all the white cell types together
4. DMore immature neutrophils (bands) than normal

Het aantal witte bloedcellen van een patiënt is 16 × 10³/µL met een hoog aandeel onrijpe neutrofielen (staven). Waar wijst dit het meest waarschijnlijk op?

1. AAlleen een chronische virale ziekte
2. BIJzergebreksanemie
3. CEen normale uitslag
4. DEen acute bacteriële infectie

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

1. AStop the infusion and give protamine sulfate as quickly as possible
2. BContinue the same rate and recheck the aPTT in a few days
3. CSwitch the infusion to oral warfarin without a prescription
4. DAdjust the rate as the protocol directs and recheck as scheduled

A healthy patient's result is slightly outside the laboratory reference range, and all other results are normal. Which statement best explains why this can happen?

1. AReference ranges are the same in every laboratory worldwide
2. BReference ranges include every healthy person without exception
3. CRanges cover about 95% of healthy people, so some fall outside
4. DAny result outside the range always means disease is present

A patient without symptoms has a finger-stick glucose of 340 mg/dL (18,9 mmol/L). The previous values were normal, and the patient has just peeled an orange. What should the nurse do first?

1. AHave the patient wash and dry their hands, then repeat the test
2. BReport the result as a new diagnosis of diabetes mellitus
3. CAsk the laboratory to measure HbA1c from the same drop of blood
4. DGive a correction dose of insulin for a glucose of 340 mg/dL

A patient with blood pressure that is hard to control has a potassium of 2,9 mEq/L, a sodium of 144 mEq/L and a raised serum bicarbonate, without taking a diuretic. Which condition is most likely?

1. ACentral diabetes insipidus
2. BPrimary hyperaldosteronism
3. CSyndrome of inappropriate ADH
4. DPrimary adrenal insufficiency