Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is a typical adult reference range for serum bicarbonate (total CO₂) on a metabolic panel?

1. AAbout 35–45 mEq/L
2. BAbout 8–12 mEq/L
3. CAbout 22–28 mEq/L
4. DAbout 98–106 mEq/L

Where does most of the ammonia in the blood come from, and which organ removes it?

1. AProtein breakdown by gut bacteria; removed by the liver
2. BGlucose breakdown in muscle; removed by the pancreas
3. CFat breakdown in adipose tissue; removed by the lungs
4. DRed cell breakdown in the spleen; removed by the skin

What does the reticulocyte count measure?

1. AYoung red blood cells recently released from the bone marrow
2. BOld red blood cells that are being removed by the spleen
3. CPlatelets that are larger than normal in size
4. DImmature white blood cells released during infection

A patient's levothyroxine dose was changed today. When is the TSH usually rechecked?

1. AAfter about 1 year
2. BAfter about 24 hours
3. CAfter about 6–8 weeks
4. DAfter about 3 days

Seorang pasien yang mengonsumsi warfarin untuk fibrilasi atrium memiliki INR 5,2 dan tidak ada perdarahan. Apa tindakan terbaik perawat?

1. AMenyarankan pasien berhenti makan sayuran hijau mulai hari ini
2. BMemberikan dosis ganda
3. CMemberikan dosis biasa dan memeriksa ulang dalam sebulan
4. DMenahan dosis warfarin dan memberi tahu penulis resep

For most hospitalized adults with diabetes who are critically ill, which glucose target range is commonly recommended?

1. AAbout 250–300 mg/dL (13,9–16,7 mmol/L)
2. BAbout 300–350 mg/dL (16,7–19,4 mmol/L)
3. CAbout 140–180 mg/dL (7,8–10 mmol/L)
4. DAbout 60–80 mg/dL (3,3–4,4 mmol/L)

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

Seorang pasien dengan infus insulin IV memiliki glukosa darah 65 mg/dL (3,6 mmol/L). Apa tindakan terbaik?

1. AMenghentikan infus dan menunda pemeriksaan ulang glukosa sampai pagi
2. BMemberikan kalium oral untuk melindungi jantung
3. CMengikuti protokol untuk glukosa rendah dan memberi tahu penyedia layanan
4. DMelanjutkan dengan kecepatan yang sama dan memeriksa ulang dalam empat jam