实验室检查值与电解质练习卷（附答案）

A raised eosinophil count is most typical of:

1. AAllergic conditions and parasitic infections
2. BAcute bacterial pneumonia and sepsis
3. CViral infections such as glandular fever
4. DAcute blood loss after trauma

Which blood test is the usual measure of a person's vitamin D status?

1. AParathyroid hormone
2. BSerum phosphate
3. C25-hydroxyvitamin D
4. D1,25-dihydroxyvitamin D

Which type of white blood cell is normally the most numerous in an adult's blood?

1. AMonocytes
2. BNeutrophils
3. CLymphocytes
4. DEosinophils

A patient takes valproate (valproic acid) for epilepsy. Which tests are monitored regularly?

1. AThyroid function and serum calcium
2. BTroponin and B-type natriuretic peptide
3. CLiver function tests and platelet count
4. DSerum lithium and urine specific gravity

A patient taking a statin reports new, unexplained muscle pain and weakness. Which laboratory test would the nurse expect to be ordered?

1. ACardiac troponin
2. BSerum lipase
3. CSerum ammonia
4. DCreatine kinase (CK)

The heparin infusion rate was changed according to protocol. When is the aPTT usually rechecked?

1. AOnly after the infusion is stopped
2. BAbout 6 hours after the change
3. CAbout 3 days after the change
4. DAbout 30 minutes after the change

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

1. AValproate 75 mcg/mL with no symptoms
2. BLithium 1.8 mEq/L with a new coarse tremor
3. CDigoxin 1.0 ng/mL with a pulse of 72/min
4. DPhenytoin 15 mcg/mL with no symptoms

A patient without symptoms has a finger-stick glucose of 340 mg/dL (18.9 mmol/L). The previous values were normal, and the patient has just peeled an orange. What should the nurse do first?

1. AHave the patient wash and dry their hands, then repeat the test
2. BReport the result as a new diagnosis of diabetes mellitus
3. CAsk the laboratory to measure HbA1c from the same drop of blood
4. DGive a correction dose of insulin for a glucose of 340 mg/dL