Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

Serum creatinine comes mainly from:

  1. AThe digestion of protein by gut bacteria
  2. BThe normal breakdown of creatine in muscle
  3. CThe breakdown of dietary fat in the liver
  4. DThe breakdown of old red cells in the spleen
2.Makkelijk

What is a typical reference range for urine specific gravity in an adult?

  1. AAbout 0,900–0,990
  2. BAbout 1,100–1,300
  3. CAbout 1,040–1,060
  4. DAbout 1,005–1,030
3.Makkelijk

Een serumkalium van 5,9 mEq/L heet:

  1. AHypercalciëmie
  2. BHypernatriëmie
  3. CHyperkaliëmie
  4. DHypokaliëmie
4.Gemiddeld

A patient on levothyroxine has palpitations, weight loss and a TSH of 0,05 mIU/L. What is the most likely explanation?

  1. AThe patient has stopped the drug
  2. BThe levothyroxine dose is too high
  3. CThe levothyroxine dose is too low
  4. DThe thyroid is now completely normal
5.Gemiddeld

A breathless patient in the emergency department has a BNP below 100 pg/mL. What does this suggest?

  1. AThe kidneys are failing and the patient needs dialysis
  2. BHeart failure is an unlikely cause of the breathlessness
  3. CSevere heart failure is certainly the cause of the problem
  4. DThe patient has had a myocardial infarction in the past day
6.Gemiddeld

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

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

Weeks after neck surgery, a patient has muscle cramps and tingling. Calcium is low, phosphate is high and parathyroid hormone (PTH) is low. Which condition fits best?

  1. AVitamin D toxicity
  2. BHypoparathyroidism
  3. CPrimary hyperparathyroidism
  4. DChronic kidney disease
8.Moeilijk

Three days after starting haloperidol, a patient has a temperature of 40 °C, severe muscle rigidity and confusion. Which laboratory result would the nurse expect?

  1. AA very high creatine kinase (CK)
  2. BA very low serum sodium
  3. CA very high serum lithium
  4. DA very low white cell count

Antwoordenblad

  1. 1. B · The normal breakdown of creatine in muscle
  2. 2. D · About 1,005–1,030
  3. 3. C · Hyperkaliëmie
  4. 4. B · The levothyroxine dose is too high
  5. 5. B · Heart failure is an unlikely cause of the breathlessness
  6. 6. D · Adjust the rate as the protocol directs and recheck as scheduled
  7. 7. B · Hypoparathyroidism
  8. 8. A · A very high creatine kinase (CK)

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