Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What does the term pancytopenia mean?

1. AHigh white cells with low platelets
2. BLow red cells, white cells and platelets
3. CHigh red cells, white cells and platelets
4. DLow red cells with normal platelets

Uric acid in the blood is a breakdown product of:

1. AHemoglobin
2. BFats
3. CPurines
4. DGlucose

What is the usual diagnostic cut-off for diabetes on a fasting plasma glucose test, when confirmed on a second test?

1. A200 mg/dL (11,1 mmol/L) or higher
2. B126 mg/dL (7,0 mmol/L) or higher
3. C110 mg/dL (6,1 mmol/L) or higher
4. D100 mg/dL (5,6 mmol/L) or higher

Bagaimana kalsium glukonat IV membantu pasien dengan hiperkalemia berat?

1. AMeningkatkan ekskresi kalium oleh ginjal
2. BMenstabilkan membran sel jantung tanpa menurunkan kalium
3. CMengikat kalium di usus sehingga dikeluarkan lewat feses
4. DMemindahkan kalium dari darah ke dalam sel

A patient with diabetes is found unconscious with a blood glucose of 38 mg/dL (2,1 mmol/L). Which treatment is appropriate?

1. AOrange juice poured slowly into the patient's mouth
2. BGlucagon by injection, or IV dextrose as prescribed
3. CA dose of rapid-acting insulin to stabilize the glucose
4. DGlucose tablets placed between the patient's teeth

Mengapa kalsium total yang rendah harus ditafsirkan dengan hati-hati pada pasien dengan albumin serum rendah?

1. AAlbumin rendah membuat setiap tes kalsium tidak akurat dan tidak berguna
2. BBanyak kalsium terikat pada albumin, sehingga kalsium total turun meskipun kalsium terionisasi normal
3. CAlbumin rendah selalu menyebabkan hipokalsemia sejati yang bergejala
4. DAlbumin dan kalsium diukur dengan reaksi kimia yang sama, sehingga selalu turun bersamaan

Four results arrive at the same time. Which patient should the nurse see first?

1. AHemoglobin 10,4 g/dL (104 g/L) in a patient with stable chronic kidney disease
2. BGlucose 48 mg/dL (2,7 mmol/L) in a patient who had insulin an hour ago
3. CINR 2,6 in a patient on warfarin for atrial fibrillation
4. DWhite cell count 12,0 × 10³/µL on the first day after surgery

A patient with a serum albumin of 1,9 g/dL (19 g/L) has signs of phenytoin toxicity, although the total phenytoin level is in the usual range. What is the most likely explanation?

1. ALow albumin stops phenytoin from crossing into the brain
2. BLow albumin makes the total level falsely high in all cases
3. CLow albumin raises the free (active) fraction of phenytoin
4. DLow albumin makes the liver clear phenytoin much faster