实验室检查值与电解质练习卷（附答案）

成人血清白蛋白的典型参考范围是多少？

1. A约 8.5–10.5 g/dL（85–105 g/L）
2. B约 3.5–5.0 g/dL（35–50 g/L）
3. C约 12–16 g/dL（120–160 g/L）
4. D约 0.5–1.0 g/dL（5–10 g/L）

About what proportion of total serum calcium is in the free (ionized) form?

1. AAbout one tenth
2. BAbout half
3. CNearly all
4. DAlmost none

成人血清肌酐的典型参考范围是多少？

1. A约 10–20 mg/dL
2. B约 3.5–5.0 mg/dL
3. C约 0.6–1.2 mg/dL
4. D约 135–145 mg/dL

A patient with joint aches has a positive antinuclear antibody (ANA) test. Which statement is correct?

1. AA positive ANA means the patient has a viral infection
2. BA positive ANA rules out all other autoimmune diseases
3. CA positive ANA supports lupus but does not diagnose it alone
4. DA positive ANA proves the patient has rheumatoid arthritis

实验室打电话到病房报告钾的危急值 6.9 mEq/L。护士应怎么做？

1. A等书面报告送到后再采取任何行动
2. B在告诉任何人之前，先请实验室重复检测
3. C记录该数值并交给下一班
4. D复述该数值，评估患者并通知医疗人员

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

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

The nurse teaches a patient with iron-deficiency anemia who is starting oral iron. Which statement shows a need for further teaching?

1. A"I'll keep the tablets out of reach of the children"
2. B"My stools may look darker while I take the tablets"
3. C"I can take it with orange juice to help absorption"
4. D"I'll take my iron tablet with a big glass of milk"

A 68-year-old man has fatigue, a hemoglobin of 9.8 g/dL (98 g/L), an MCV of 72 fL and a low ferritin. He eats a normal diet. What is the most important next step?

1. AStart vitamin B₁₂ injections
2. BRepeat the blood count in one year
3. CLook for a source of blood loss in the gut
4. DGive iron and do no further tests at all