解答つき検査値と電解質ワークシート

好中球減少症は、通常、絶対好中球数（ANC）が約どれくらいを下回る状態と定義されますか？

1. A150 × 10³/µL（150 000/mm³）
2. B15 × 10³/µL（15 000/mm³）
3. C5.0 × 10³/µL（5000/mm³）
4. D1.5 × 10³/µL（1500/mm³）

What is a "critical value" (panic value) in laboratory reporting?

1. AA result that the laboratory could not measure because of a bad sample
2. BA result that is normal but differs from the patient's last value
3. CAny result that is slightly outside the laboratory reference range
4. DA result so abnormal that it may threaten life and needs prompt action

In iron-deficiency anemia, the transferrin saturation is usually:

1. ALow
2. BVariable
3. CHigh
4. DNormal

敗血症が疑われる患者の血液培養は、いつ採取すべきですか？

1. A抗菌薬の最初の 3 回の投与後
2. B抗菌薬は結果に影響しないので、いつでも
3. C発熱が 3 日を超えて続く場合のみ
4. D最初の抗菌薬の前に、投与をあまり遅らせずに

A patient takes high-dose furosemide. Besides potassium, which electrolyte is most commonly lowered?

1. ASodium bicarbonate
2. BMagnesium
3. CUric acid
4. DPhosphate

A patient receives repeated nebulized albuterol (salbutamol) for severe asthma. Which laboratory change should the nurse watch for?

1. AA rise in serum calcium
2. BA rise in serum sodium
3. CA fall in serum potassium
4. DA fall in blood glucose

A patient's bedside glucose meter shows "HI" (above its measuring range). The patient is drowsy. What should the nurse do?

1. ASend a venous sample to the lab and inform the provider at once
2. BAssume the meter is broken and give the usual insulin dose
3. CRecord "HI" and repeat the meter test at the next scheduled time
4. DGive oral glucose in case the reading is wrong and the patient is low

A patient with a stable INR on warfarin starts rifampin (rifampicin) for tuberculosis. Two weeks later the INR is 1.3. What is the most likely explanation?

1. ARifampin speeds up warfarin metabolism
2. BRifampin contains a lot of vitamin K
3. CRifampin raises the INR, so it is wrong
4. DTuberculosis causes the INR to fall