实验室检查值与电解质练习卷（附答案）

免费可打印的实验室检查值与电解质练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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1.简单

What does the term pancytopenia mean?

  1. ALow red cells, white cells and platelets
  2. BHigh red cells, white cells and platelets
  3. CHigh white cells with low platelets
  4. DLow red cells with normal platelets
2.简单

Why is prealbumin (transthyretin) sometimes used to follow a patient's nutritional status instead of albumin?

  1. AIt is not affected by inflammation or liver disease
  2. BIt is measured in urine, so no blood test is needed
  3. CIt has a short half-life, so it changes within days
  4. DIt has a long half-life, so it changes over months
3.简单

Which drug commonly causes a low serum potassium?

  1. AAmiloride
  2. BSpironolactone
  3. CFurosemide
  4. DLisinopril
4.中等

An older adult with chronic kidney disease takes glyburide (glibenclamide, a sulfonylurea) and has repeated low glucose readings. Why is this a concern?

  1. AThe drug and its metabolites build up and cause long lows
  2. BThe drug causes high potassium that lowers the glucose
  3. CThe drug makes the glucose meter read falsely low
  4. DThe drug stops working entirely when the kidneys fail
5.中等

A patient starts lisinopril (an ACE inhibitor). Which laboratory values should the nurse expect to be monitored?

  1. AALT and bilirubin
  2. BPotassium and creatinine
  3. CCalcium and phosphate
  4. DTSH and free T4
6.中等

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

  1. ASerum ammonia
  2. BSerum lipase
  3. CCardiac troponin
  4. DCreatine kinase (CK)
7.困难

A patient with schizophrenia drinks very large amounts of water each day. Sodium is 121 mEq/L, and the urine is very dilute (urine osmolality 70 mOsm/kg). Which explanation fits best?

  1. APrimary (psychogenic) polydipsia
  2. BCentral diabetes insipidus
  3. CSyndrome of inappropriate ADH
  4. DHyperosmolar hyperglycemic state
8.困难

A child with sickle cell disease and a recent viral illness is pale and tired. The hemoglobin has fallen sharply, and the reticulocyte count is very low. What is the most likely problem?

  1. AA vaso-occlusive pain crisis in the bones
  2. BA normal finding in sickle cell disease
  3. CAn aplastic crisis, often caused by parvovirus B19
  4. DIron deficiency from a poor diet over months

答案

  1. 1. A · Low red cells, white cells and platelets
  2. 2. C · It has a short half-life, so it changes within days
  3. 3. C · Furosemide
  4. 4. A · The drug and its metabolites build up and cause long lows
  5. 5. B · Potassium and creatinine
  6. 6. D · Creatine kinase (CK)
  7. 7. A · Primary (psychogenic) polydipsia
  8. 8. C · An aplastic crisis, often caused by parvovirus B19

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