实验室检查值与电解质练习卷（附答案）

What is a typical adult reference range for total serum bilirubin?

1. AAbout 10–20 mg/dL (171–342 µmol/L)
2. BAbout 0.03–0.1 mg/dL (0.5–1.7 µmol/L)
3. CAbout 0.3–1.2 mg/dL (5–21 µmol/L)
4. DAbout 3–12 mg/dL (51–205 µmol/L)

Which antibody test is most specific for rheumatoid arthritis?

1. AAnti-CCP antibodies
2. BAnti-D antibody
3. CAntinuclear antibody
4. DAnti-HBs antibody

Which hormone is measured in blood or urine to test for pregnancy?

1. AHuman chorionic gonadotropin (hCG)
2. BAntidiuretic hormone (ADH)
3. CFollicle-stimulating hormone (FSH)
4. DThyroid-stimulating hormone (TSH)

A young adult with new diabetes has a very low C-peptide level. What does this suggest?

1. AThe pancreas is making very little insulin, as in type 1 diabetes
2. BThe patient has high insulin resistance, as in type 2 diabetes
3. CThe patient is injecting too much insulin and needs a lower dose
4. DThe kidneys are excreting all of the patient's insulin in urine

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ATake it with food and a full glass of water, and do not crush extended-release tablets
2. BUse a salt substitute as well, so less of the tablet is needed each day
3. CCrush the extended-release tablets and mix them with a little water if needed
4. DTake it on an empty stomach with only a small sip of water to speed absorption

In the third trimester of pregnancy, a woman's alkaline phosphatase (ALP) is about twice the usual adult range, and the other liver tests are normal. What is the best interpretation?

1. AA sign of acute viral hepatitis
2. BA sign of blocked bile ducts
3. CA sign of new bone cancer
4. DA normal rise from placental ALP

Four drug levels are reported. Which patient should the nurse assess first?

1. APhenytoin 15 mcg/mL with no symptoms
2. BDigoxin 1.0 ng/mL with a pulse of 72/min
3. CLithium 1.8 mEq/L with a new coarse tremor
4. DValproate 75 mcg/mL with no symptoms

A patient in DKA is receiving IV fluids and insulin. The glucose has fallen to about 220 mg/dL (12.2 mmol/L), but the anion gap is still high. What change would the nurse expect?

1. AAdd dextrose to the IV fluids and continue the insulin
2. BStop the insulin infusion because the glucose is near normal
3. CStop the IV fluids and start oral fluids only
4. DGive an IV bolus of sodium bicarbonate at once