实验室检查值与电解质练习卷（附答案）

A low mean corpuscular volume (MCV) means that:

1. AThe red cells are smaller than normal (microcytic)
2. BThe red cells are larger than normal (macrocytic)
3. CThe bone marrow is making too many white cells
4. DThe red cells contain more hemoglobin than normal

In a healthy adult, the CSF glucose is usually about what proportion of the blood glucose?

1. AAbout two-thirds (60%)
2. BExactly the same (100%)
3. CAbout double (200%)
4. DAbout one tenth (10%)

What does the term "thrombocytosis" mean?

1. AA high platelet count
2. BA high white cell count
3. CA low red cell count
4. DA low platelet count

为什么对血清白蛋白低的患者，必须谨慎解读偏低的总钙？

1. A白蛋白和钙用同一种化学反应测定，所以总是一起下降
2. B白蛋白低使所有钙检测都不准确、毫无用处
3. C白蛋白低总会导致真正有症状的低钙血症
4. D许多钙与白蛋白结合，因此即使离子钙正常，总钙也会下降

对于出现意识模糊和扑翼样震颤的严重肝病患者，哪项实验室数值最能反映原因？

1. A仅血清钾降低
2. B血清氨升高
3. C血清脂肪酶降低
4. D肌钙蛋白升高

一名患者的血红蛋白为 7.8 g/dL（78 g/L）。护士预期会有哪些发现？

1. A瘙痒、皮肤发黄和尿色深
2. B心率慢、皮肤潮红和血压高
3. C头痛、鼻出血和面色发红
4. D疲劳、苍白、心率快和活动时呼吸急促

A patient without symptoms has a TSH of 7.5 mIU/L on two occasions with a normal free T₄. Which term fits best?

1. ASubclinical hyperthyroidism
2. BSubclinical hypothyroidism
3. COvert primary hypothyroidism
4. DSecondary hypothyroidism

An older adult has bone pain, fatigue and frequent infections. Results show anemia, a calcium of 12.4 mg/dL (3.1 mmol/L), a raised total protein and a rising creatinine. Which condition should be suspected?

1. APrimary hypothyroidism
2. BAcute viral hepatitis
3. CMultiple myeloma
4. DIron-deficiency anemia