Lembaran kerja Nilai makmal & elektrolit dengan jawapan

A raised neutrophil count (neutrophilia) is most typical of:

1. AAcute bacterial infection
2. BA mild viral cold
3. CVitamin B₁₂ deficiency
4. DHay fever and asthma

Ion manakah ialah anion utama dalam cecair di luar sel?

1. AKlorida
2. BFosfat
3. CBikarbonat
4. DKalium

Apakah julat rujukan dewasa yang lazim bagi magnesium serum?

1. AKira-kira 6.0–8.0 mEq/L (3.0–4.0 mmol/L)
2. BKira-kira 0.3–0.7 mEq/L (0.15–0.35 mmol/L)
3. CKira-kira 3.5–5.0 mEq/L (1.75–2.5 mmol/L)
4. DKira-kira 1.3–2.1 mEq/L (0.65–1.05 mmol/L)

Kiraan sel darah putih seorang pesakit ialah 16 × 10³/µL dengan perkadaran tinggi neutrofil yang belum matang (band). Apakah yang paling mungkin ditunjukkan oleh ini?

1. AJangkitan bakteria akut
2. BPenyakit virus kronik sahaja
3. CAnemia kekurangan zat besi
4. DKeputusan normal

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

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

A patient with an upper gastrointestinal bleed has a BUN of 48 mg/dL (urea 17 mmol/L) and a normal creatinine. What is the most likely explanation?

1. ADigested blood adds protein, which the liver turns into urea
2. BThe kidneys have suddenly lost most of their function
3. CThe liver has stopped making urea because of the bleeding
4. DSkeletal muscle is breaking down because of the blood loss

A patient's low calcium does not improve despite several days of calcium replacement. Which other electrolyte should be checked and corrected?

1. ASodium
2. BChloride
3. CBicarbonate
4. DMagnesium

In the first 24 hours after a major burn, which laboratory pattern is most expected?

1. ALow potassium and low hematocrit
2. BHigh potassium and high hematocrit
3. CLow sodium and low hematocrit
4. DHigh calcium and high albumin