Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Lembar kerja Nilai laboratorium & elektrolit gratis yang dapat dicetak: 8 soal dari mudah hingga tingkat ujian, dengan kunci jawaban. Cetak atau simpan sebagai PDF.

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Nama: ____________________   Tanggal: ____________

1.Mudah

What is the main effect of parathyroid hormone (PTH) on serum calcium?

  1. AIt has no effect on calcium
  2. BIt only changes urine calcium
  3. CIt lowers serum calcium
  4. DIt raises serum calcium
2.Mudah

Why is "free T4" often measured rather than total T4?

  1. AThe free form is the only form made by the gland
  2. BThe free form is the unbound, active hormone
  3. CThe free form is stored inside the pituitary
  4. DThe free form is the form excreted in urine
3.Mudah

Kalium serum 5,9 mEq/L disebut:

  1. AHipernatremia
  2. BHiperkalsemia
  3. CHiperkalemia
  4. DHipokalemia
4.Sedang

A patient has taken hydrochlorothiazide for several years. Which laboratory change is a recognized effect of this drug?

  1. AA fall in serum calcium
  2. BA fall in blood glucose
  3. CA rise in serum uric acid
  4. DA rise in serum potassium
5.Sedang

A patient on warfarin for atrial fibrillation has a target INR of 2,0–3,0. How does the usual target for a patient with a mechanical mitral valve compare?

  1. AMuch higher, about 5,0–6,0
  2. BLower, about 1,0–1,5
  3. CHigher, about 2,5–3,5
  4. DThe same, 2,0–3,0
6.Sedang

Seorang pasien yang mengonsumsi warfarin untuk fibrilasi atrium memiliki INR 1,4. Apa artinya?

  1. ADosisnya tepat dan tidak perlu diubah
  2. BPasien berisiko tinggi mengalami perdarahan dan segera memerlukan vitamin K
  3. CAntikoagulasi di bawah target, sehingga gumpalan darah dan stroke lebih mungkin terjadi
  4. DPasien tidak perlu lagi mengonsumsi warfarin
7.Sulit

A patient in DKA is receiving IV fluids and insulin. The glucose has fallen to about 220 mg/dL (12,2 mmol/L), but the anion gap is still high. What change would the nurse expect?

  1. AGive an IV bolus of sodium bicarbonate at once
  2. BStop the insulin infusion because the glucose is near normal
  3. CStop the IV fluids and start oral fluids only
  4. DAdd dextrose to the IV fluids and continue the insulin
8.Sulit

A patient has a sodium of 150 mEq/L, a glucose of 180 mg/dL and a BUN of 28 mg/dL. Using the formula 2 × Na + glucose/18 + BUN/2,8, what is the calculated serum osmolality?

  1. AAbout 358 mOsm/kg, which is high
  2. BAbout 285 mOsm/kg, which is normal
  3. CAbout 300 mOsm/kg, which is normal
  4. DAbout 320 mOsm/kg, which is high

Kunci jawaban

  1. 1. D · It raises serum calcium
  2. 2. B · The free form is the unbound, active hormone
  3. 3. C · Hiperkalemia
  4. 4. C · A rise in serum uric acid
  5. 5. C · Higher, about 2,5–3,5
  6. 6. C · Antikoagulasi di bawah target, sehingga gumpalan darah dan stroke lebih mungkin terjadi
  7. 7. D · Add dextrose to the IV fluids and continue the insulin
  8. 8. D · About 320 mOsm/kg, which is high

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