Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Which body system shows the main symptoms of a low serum sodium?

1. AThe nervous system
2. BThe eyes only
3. CThe skin and hair
4. DThe skeleton

Pemeriksaan darah mana yang biasanya menjadi tes pertama untuk skrining fungsi tiroid?

1. AKalsium serum
2. BHemoglobin A1c (HbA1c)
3. CThyroid-stimulating hormone (TSH)
4. DKortisol serum

Berapa rentang rujukan dewasa yang khas untuk nitrogen urea darah (BUN)?

1. ASekitar 0,6–1,2 mg/dL (urea 0,2–0,4 mmol/L)
2. BSekitar 135–145 mg/dL (urea 48–52 mmol/L)
3. CSekitar 7–20 mg/dL (urea 2,5–7,1 mmol/L)
4. DSekitar 70–99 mg/dL (urea 25–35 mmol/L)

A patient with sepsis has a lactate of 2,1 mmol/L on admission and 4,3 mmol/L two hours later, despite IV fluids. What does this suggest?

1. AExpected muscle activity from shivering in fever
2. BImproving circulation as the fluids start to work
3. CA normal response to IV fluids in the first hours
4. DWorsening tissue perfusion that needs urgent reporting

A patient with a potassium of 2,8 mEq/L has potassium chloride prescribed IV. Which statement about giving it is correct?

1. AIt may be given as a slow IV push over one minute if the level is very low
2. BIt is given as an undiluted bolus into a large vein to avoid irritation
3. CIt is always diluted and given by infusion pump, never as an IV push
4. DIt is added to the IV bag without mixing, so it stays at the bottom

A test has very high sensitivity for a disease. What does a negative result mean?

1. AThe disease is certain, so treatment should begin
2. BThe result cannot be used, because sensitivity is high
3. CThe patient must have a different disease instead
4. DThe disease is unlikely, so it helps rule it out

A patient's bedside glucose meter shows "HI" (above its measuring range). The patient is drowsy. What should the nurse do?

1. AGive oral glucose in case the reading is wrong and the patient is low
2. BRecord "HI" and repeat the meter test at the next scheduled time
3. CAssume the meter is broken and give the usual insulin dose
4. DSend a venous sample to the lab and inform the provider at once

Seorang pasien yang mengonsumsi warfarin dengan INR stabil 2,4 memulai kuur antibiotik seperti siprofloksasin. Seminggu kemudian INR-nya 4,6. Apa penjelasan yang paling mungkin?

1. AAntibiotik telah menyembuhkan kebutuhan pasien akan antikoagulasi
2. BInteraksi obat yang meningkatkan efek warfarin
3. CKesalahan laboratorium adalah satu-satunya penjelasan yang mungkin
4. DPasien makan lebih banyak makanan kaya vitamin K