Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Apa yang diukur oleh kadar "puncak" (peak) suatu obat?

1. AKonsentrasi darah tertinggi setelah suatu dosis
2. BKadar saat obat menjadi toksik
3. CRata-rata kadar selama seminggu
4. DKonsentrasi darah terendah sebelum dosis berikutnya

For many non-pregnant adults with diabetes, which HbA1c target is commonly recommended?

1. ABelow 10% (86 mmol/mol)
2. BBelow 4% (20 mmol/mol)
3. CAbove 9% (75 mmol/mol)
4. DBelow 7% (53 mmol/mol)

How does active vitamin D (calcitriol) affect calcium?

1. AIt increases calcium loss in the urine
2. BIt moves calcium out of the blood into cells
3. CIt increases calcium absorption from the gut
4. DIt blocks calcium absorption from the gut

A patient who is breathless during a transfusion has hypotension, fever and bilateral lung infiltrates, with no signs of fluid overload. Which complication is most likely?

1. ATransfusion-associated circulatory overload
2. BA mild febrile nonhemolytic reaction
3. CA simple allergic reaction with hives
4. DTransfusion-related acute lung injury (TRALI)

Bagaimana kalsium glukonat IV membantu pasien dengan hiperkalemia berat?

1. AMengikat kalium di usus sehingga dikeluarkan lewat feses
2. BMeningkatkan ekskresi kalium oleh ginjal
3. CMemindahkan kalium dari darah ke dalam sel
4. DMenstabilkan membran sel jantung tanpa menurunkan kalium

Which change in clotting tests is normal in late pregnancy?

1. AaPTT doubles from baseline
2. BPlatelets rise above 600 × 10³/µL
3. CFibrinogen and D-dimer rise
4. DINR rises to about 3,0

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

A patient has macrocytic anemia with low vitamin B₁₂ and antibodies to intrinsic factor. What does this suggest, and how is it usually treated?

1. AHemolytic anemia, treated with blood transfusion
2. BIron deficiency, treated with oral iron tablets
3. CPernicious anemia, treated with B₁₂ injections
4. DFolate deficiency, treated with folic acid only