解答つき検査値と電解質ワークシート

Serum amylase is less specific than lipase for pancreatitis because amylase also comes from:

1. AThe salivary glands
2. BThe thyroid gland
3. CThe bone marrow
4. DThe heart muscle

How does active vitamin D (calcitriol) affect calcium?

1. AIt blocks calcium absorption from the gut
2. BIt moves calcium out of the blood into cells
3. CIt increases calcium absorption from the gut
4. DIt increases calcium loss in the urine

What does a creatinine clearance measured from a 24-hour urine collection estimate?

1. AThe rate of red cell production
2. BThe glomerular filtration rate
3. CThe amount of protein lost from the blood
4. DThe concentrating ability of the urine

A patient starts high-dose prednisone. Which laboratory change should the nurse expect?

1. AA fall in serum sodium
2. BA fall in the white cell count
3. CA rise in blood glucose
4. DA rise in serum potassium

A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?

1. ALow potassium and low bicarbonate
2. BLow glucose and high magnesium
3. CHigh sodium and high calcium
4. DHigh potassium and high bicarbonate

2 日間嘔吐が続いている患者の BUN が 32 mg/dL（尿素 11.4 mmol/L）で、クレアチニンは正常です。最も考えられる原因はどれですか？

1. A肝不全
2. B脱水
3. C水分過剰
4. D低蛋白食

A young man has a swollen knee after minor trauma. His aPTT is prolonged, but his PT/INR and platelet count are normal. Which condition fits best?

1. AVitamin K deficiency from poor diet
2. BDisseminated intravascular coagulation
3. CImmune thrombocytopenia (ITP)
4. DHemophilia A (factor VIII deficiency)

A patient's potassium is 7.2 mEq/L, and the monitor shows wide QRS complexes. Several treatments are prescribed. Which should be given first?

1. AIV calcium gluconate (or chloride)
2. BUrgent hemodialysis session
3. CIV furosemide (a loop diuretic)
4. DAn oral potassium binder dose