Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

A patient who has not eaten for 2 days has ketones in the urine. What is the most likely reason?

  1. AThe body is burning fat for energy
  2. BThe kidneys are leaking protein
  3. CThe liver is making too much glucose
  4. DThe bladder has a bacterial infection
2.Makkelijk

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

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

A urine dipstick is positive for nitrites. What does this most likely show?

  1. AGlucose spilling into the urine from high blood levels
  2. BKetones produced from fat breakdown in fasting
  3. CBacteria in the urine that convert nitrate to nitrite
  4. DRed blood cells leaking from the glomeruli
4.Gemiddeld

A patient starts high-dose prednisone. Which laboratory change should the nurse expect?

  1. AA fall in the white cell count
  2. BA fall in serum sodium
  3. CA rise in blood glucose
  4. DA rise in serum potassium
5.Gemiddeld

A patient with pneumonia had a CRP of 180 mg/L on admission and 40 mg/L after 4 days of antibiotics. What does this most likely show?

  1. AThe patient has developed a new infection
  2. BThe infection has spread to another organ
  3. CThe antibiotic is causing liver damage
  4. DThe inflammation is settling with treatment
6.Gemiddeld

A patient has started parenteral nutrition (PN) through a central line. Which test is monitored most frequently in the first days?

  1. ABlood glucose
  2. BHemoglobin A1c
  3. CSerum lipase
  4. DThyroid hormones
7.Moeilijk

A patient's low calcium does not improve despite several days of calcium replacement. Which other electrolyte should be checked and corrected?

  1. ASodium
  2. BChloride
  3. CBicarbonate
  4. DMagnesium
8.Moeilijk

A patient without symptoms has a TSH of 7,5 mIU/L on two occasions with a normal free T4. Which term fits best?

  1. ASubclinical hyperthyroidism
  2. BSecondary hypothyroidism
  3. COvert primary hypothyroidism
  4. DSubclinical hypothyroidism

Antwoordenblad

  1. 1. A · The body is burning fat for energy
  2. 2. A · Antibodies or complement are attached to the patient's red cells
  3. 3. C · Bacteria in the urine that convert nitrate to nitrite
  4. 4. C · A rise in blood glucose
  5. 5. D · The inflammation is settling with treatment
  6. 6. A · Blood glucose
  7. 7. D · Magnesium
  8. 8. D · Subclinical hypothyroidism

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