实验室检查值与电解质练习卷（附答案）

癫痫治疗中，血清总丙戊酸（丙戊酸盐）常被引用的治疗范围是多少？

1. A约 50–100 mcg/mL（mg/L）
2. B约 500–1000 mcg/mL（mg/L）
3. C约 0.6–1.2 mcg/mL（mg/L）
4. D约 5–10 mcg/mL（mg/L）

哪项肝脏检查主要在肝细胞受损时升高？

1. A糖化血红蛋白（HbA1c）
2. B血尿素氮（BUN）
3. C肌酸激酶（CK）
4. DALT（丙氨酸转氨酶）

What does a raised erythrocyte sedimentation rate (ESR) show?

1. AA low level of iron stored in the bone marrow
2. BInflammation somewhere in the body, without showing where
3. CDamage to heart muscle within the past few hours
4. DA specific infection of the urinary tract by bacteria

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

1. AHbA1c and lipid panel
2. BPlatelet count and PT/INR
3. CSerum sodium and chloride
4. DTSH and free T₄

A patient had a right mastectomy with removal of axillary lymph nodes. Where is the best place to draw blood?

1. AThe left arm
2. BThe right hand
3. CEither arm equally
4. DThe right arm

A patient taking phenazopyridine for bladder pain has bright orange urine. What should the nurse know about urine tests?

1. AThe dye can interfere with dipstick color readings
2. BThe drug improves the accuracy of all dipsticks
3. CThe color shows severe liver failure is present
4. DThe color proves blood is present in the urine

A patient has a hematocrit of 60% and a raised red cell mass. Which result suggests polycythemia vera rather than secondary polycythemia from chronic hypoxia?

1. AA high erythropoietin level
2. BA low erythropoietin level
3. CA low oxygen saturation
4. DA high carboxyhemoglobin

A patient started methimazole for hyperthyroidism 6 weeks ago and now has a fever and a severe sore throat. Which action is most important?

1. AHold the drug and arrange an urgent white cell and neutrophil count
2. BGive the next dose and suggest warm salt-water gargles for comfort
3. CAdvise the patient to continue the drug and drink more fluid
4. DCheck the TSH and double the dose if it is still low