Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Apakah julat rujukan lazim bagi osmolaliti serum?

1. AKira-kira 50–100 mOsm/kg
2. BKira-kira 135–145 mOsm/kg
3. CKira-kira 275–295 mOsm/kg
4. DKira-kira 400–500 mOsm/kg

The tumor marker CA-125 is most often used to follow which cancer?

1. AColon cancer
2. BOvarian cancer
3. CThyroid cancer
4. DLung cancer

What is the usual diagnostic cut-off for diabetes on a fasting plasma glucose test, when confirmed on a second test?

1. A126 mg/dL (7.0 mmol/L) or higher
2. B100 mg/dL (5.6 mmol/L) or higher
3. C200 mg/dL (11.1 mmol/L) or higher
4. D110 mg/dL (6.1 mmol/L) or higher

In the US, when is a pregnant woman without known risk factors usually screened for gestational diabetes?

1. AOnly after the baby is born
2. BAt about 24–28 weeks of pregnancy
3. CAt about 38–40 weeks of pregnancy
4. DAt about 6–8 weeks of pregnancy

Why is a baseline platelet count taken before starting heparin therapy?

1. ABecause heparin increases the platelet count to dangerous levels
2. BSo that the INR can be calculated from the platelet count later
3. CBecause heparin is given at a dose based on the platelet count
4. DSo a later fall from heparin-induced thrombocytopenia is detected

A patient is scheduled for a liver biopsy. Which laboratory results should the nurse check before the procedure?

1. ASerum sodium and chloride
2. BTSH and free T₄
3. CPlatelet count and PT/INR
4. DHbA1c and lipid panel

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

1. AHigh potassium and high hematocrit
2. BLow sodium and low hematocrit
3. CHigh calcium and high albumin
4. DLow potassium and low hematocrit

A patient with long-standing rheumatoid arthritis has a hemoglobin of 10.5 g/dL (105 g/L), a low serum iron, a low total iron-binding capacity (TIBC) and a high-normal ferritin. Which condition fits best?

1. AIron-deficiency anemia
2. BAcute blood loss anemia
3. CAnemia of chronic disease (inflammation)
4. DVitamin B₁₂ deficiency anemia