Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Seorang warga emas ditemui di lantai selepas berbaring di situ selama berjam-jam. Ujian darah manakah yang paling baik menunjukkan pemecahan otot rangka (rabdomiolisis)?

1. AKreatina kinase (CK)
2. BHemoglobin A1c (HbA1c)
3. CAlbumin serum
4. DLipase serum

On a liver panel, "direct bilirubin" refers to which form of bilirubin?

1. AUnconjugated bilirubin
2. BBilirubin in the stool
3. CConjugated bilirubin
4. DTotal urine urobilinogen

In a standard 2-hour oral glucose tolerance test, what does the patient do?

1. ADrinks a measured glucose solution, and glucose is checked 2 hours later
2. BEats a normal meal, and glucose is checked once later that evening
3. CReceives an insulin injection, and glucose is checked each hour
4. DFasts for 3 days, and glucose is checked every morning before breakfast

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ACrush the extended-release tablets and mix them with a little water if needed
2. BTake it on an empty stomach with only a small sip of water to speed absorption
3. CUse a salt substitute as well, so less of the tablet is needed each day
4. DTake it with food and a full glass of water, and do not crush extended-release tablets

A patient receiving chemotherapy has an ANC of 300/µL and a new temperature of 38.3 °C (100.9 °F). What should the nurse do first?

1. AGive acetaminophen (paracetamol) and recheck the temperature in 4 hours
2. BRemove extra blankets and offer a tepid sponge bath
3. CEncourage oral fluids and record the fever in the chart
4. DReport it at once so cultures and antibiotics start quickly

A patient with a potassium of 2.8 mEq/L has potassium chloride prescribed IV. Which statement about giving it is correct?

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

A health care worker's hepatitis B tests show: HBsAg negative, anti-HBs positive, anti-HBc positive. What does this mean?

1. APast infection that has resolved, with immunity
2. BImmunity from vaccination only, never infected
3. CNot immune and never exposed to the virus
4. DCurrent chronic hepatitis B infection

Seorang pesakit tanpa masalah buah pinggang dan ECG normal mempunyai kalium 6.2 mEq/L. Makmal mengulas bahawa sampel itu mengalami hemolisis. Apakah tafsiran yang terbaik?

1. ARawat serta-merta dengan insulin dan glukosa tanpa pemeriksaan lanjut
2. BKeputusan mungkin tinggi secara palsu; nilai pesakit dan sediakan sampel ulangan
3. CPesakit mengalami kegagalan buah pinggang
4. DKalium pasti normal dan tidak memerlukan tindakan susulan