Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Which blood marker is the most specific for injury to the heart muscle?

1. ATotal creatine kinase
2. BSerum myoglobin
3. CLactate dehydrogenase
4. DCardiac troponin

Kapan kadar trough vankomisin diambil?

1. ADua jam setelah infus dimulai
2. BSegera setelah infus selesai
3. CTepat sebelum dosis berikutnya, biasanya dalam 30 menit sebelumnya
4. DKapan saja yang nyaman sepanjang hari, tidak peduli kapan dosis jatuh tempo

Which laboratory test is traditionally used to adjust a continuous infusion of unfractionated heparin?

1. AErythrocyte sedimentation rate (ESR)
2. BInternational normalized ratio (INR)
3. CActivated partial thromboplastin time (aPTT)
4. DPlatelet function assay (PFA-100 test)

A patient is starting atorvastatin. Which laboratory test is usually checked at baseline?

1. ALiver enzymes
2. BThyroid antibodies
3. CSerum lipase
4. DBlood cultures

A patient on carbamazepine becomes confused and has a headache. Which laboratory result would most likely explain this?

1. AA low serum sodium
2. BA high serum potassium
3. CA high serum calcium
4. DA low serum magnesium

Why is a blood β-hydroxybutyrate level often preferred to a urine ketone dipstick in DKA?

1. AIt measures the main ketone in DKA, and the dipstick may miss it
2. BThe urine dipstick only detects ketones in people without diabetes
3. CIt is the only test that can measure glucose and ketones together
4. DIt shows the average ketone level over the past three months

A patient with SIADH is on fluid restriction. Which task can the RN delegate to unlicensed assistive personnel (UAP), such as a nursing or healthcare assistant?

1. AMeasuring and recording intake and output
2. BAssessing the patient for new confusion
3. CDeciding when to recheck the sodium level
4. DTeaching the reasons for fluid restriction

Seorang pasien hiponatremia kronis (natrium 118 mEq/L) sedang diterapi. Mengapa natrium harus dinaikkan perlahan?

1. AKoreksi lambat diperlukan hanya untuk mengurangi biaya rumah sakit
2. BKoreksi cepat menyebabkan hipokalemia, yang merupakan satu-satunya risiko
3. CDapat menyebabkan demielinisasi osmotik, cedera otak yang serius
4. DKoreksi cepat membuat natrium turun lagi lebih jauh