Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Serum creatinine comes mainly from:

1. AThe digestion of protein by gut bacteria
2. BThe breakdown of dietary fat in the liver
3. CThe breakdown of old red cells in the spleen
4. DThe normal breakdown of creatine in muscle

Berapa rentang terapeutik yang umum disebut untuk valproat (asam valproat) serum total pada epilepsi?

1. ASekitar 500–1000 mcg/mL (mg/L)
2. BSekitar 0,6–1,2 mcg/mL (mg/L)
3. CSekitar 50–100 mcg/mL (mg/L)
4. DSekitar 5–10 mcg/mL (mg/L)

On urinalysis, dark amber urine with a high specific gravity most often suggests:

1. AVery dilute urine from high fluid intake
2. BConcentrated urine from low fluid intake
3. CUrine with a large amount of glucose
4. DNormal urine after drinking extra water

Which change in clotting tests is normal in late pregnancy?

1. APlatelets rise above 600 × 10³/µL
2. BaPTT doubles from baseline
3. CINR rises to about 3,0
4. DFibrinogen and D-dimer rise

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AThe patient has developed acute pancreatitis
2. BThe patient has developed acute hepatitis
3. CStrenuous exercise raised CK from skeletal muscle
4. DAn acute myocardial infarction has occurred

Kumpulan temuan mana yang sesuai dengan hiperkalsemia?

1. AGelombang T runcing dan kelemahan otot saja
2. BKonstipasi, kelelahan, kebingungan, dan batu ginjal
3. CTetani, kram otot, dan tanda Chvostek positif
4. DHaus dengan urine sangat encer sebagai satu-satunya tanda

Seorang pasien penyakit ginjal kronis memiliki fosfat 7,2 mg/dL (2,3 mmol/L). Edukasi diet mana yang paling tepat?

1. AMinum lebih banyak minuman bersoda jenis cola agar tetap terhidrasi
2. BMembatasi makanan kaya fosfat, seperti makanan olahan dan minuman cola
3. CMenambah susu dan keju untuk melindungi tulang dari kehilangan kalsium
4. DMengonsumsi suplemen kalsium dengan perut kosong sebagai pengganti pengikat

A patient with advanced chronic kidney disease has a mildly raised troponin that has stayed the same on several tests over months. There is no chest pain and the ECG is unchanged. What is the best interpretation?

1. AA laboratory error, because troponin is never raised in kidney disease
2. BProof of an acute myocardial infarction that needs emergency treatment now
3. CA chronic stable rise; infarction needs a rising or falling pattern
4. DA sign of skeletal muscle injury, because troponin comes from all muscles