解答つき検査値と電解質ワークシート

What is the usual BUN-to-creatinine ratio in a healthy adult (using mg/dL)?

1. AAbout 10:1 to 20:1
2. BAbout 1:1 to 2:1
3. CAbout 100:1 to 200:1
4. DAbout 50:1 to 60:1

Vitamin B₁₂ deficiency typically causes which type of anemia?

1. AHemolytic anemia, with destroyed red cells
2. BMacrocytic anemia, with large red cells
3. CAplastic anemia, with an empty bone marrow
4. DMicrocytic anemia, with small red cells

検査室が独自の基準範囲で結果を高値としてフラグ付けしましたが、その値は教科書の範囲内です。この患者には、どの範囲を使うべきですか？

1. A自分が研修を受けた病院で使われている範囲
2. Bどの資料でも見つけられる最も広い範囲
3. C教科書は国の標準なので、教科書の範囲
4. Dその検査を行った検査室の基準範囲

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AStrenuous exercise raised CK from skeletal muscle
2. BThe patient has developed acute pancreatitis
3. CThe patient has developed acute hepatitis
4. DAn acute myocardial infarction has occurred

After surgery for colon cancer, a patient's CEA had fallen to normal, but it has been rising over the last two checks. What does this most likely suggest?

1. APossible recurrence that needs further assessment
2. BA sure sign that the cancer has been fully cured
3. CA normal change after surgery that needs no follow-up
4. DA sign of iron deficiency from the earlier bleeding

A urine culture report states "mixed growth of three organisms, likely contamination." What is the nurse's best response?

1. ARecord the result as a confirmed urinary tract infection
2. BDiscard the report, because a mixed growth is always normal
3. CStart treatment for all three organisms with three antibiotics
4. DInform the provider and arrange a new, correctly collected sample

Four results arrive at the same time. Which patient should the nurse see first?

1. AHemoglobin 10.4 g/dL (104 g/L) in a patient with stable chronic kidney disease
2. BINR 2.6 in a patient on warfarin for atrial fibrillation
3. CWhite cell count 12.0 × 10³/µL on the first day after surgery
4. DGlucose 48 mg/dL (2.7 mmol/L) in a patient who had insulin an hour ago

An RN cares for a patient on a 24-hour urine collection. Which task can be delegated to unlicensed assistive personnel (UAP), such as a nursing or healthcare assistant?

1. ASaving all urine in the collection container as instructed
2. BDeciding whether to restart the collection after a missed sample
3. CTeaching the patient why the 24-hour collection is needed
4. DInterpreting the creatinine clearance result when it comes back