解答つき検査値と電解質ワークシート

About what proportion of total serum calcium is in the free (ionized) form?

1. AAlmost none
2. BNearly all
3. CAbout one tenth
4. DAbout half

For a fasting plasma glucose test, the patient should have had no caloric intake for at least:

1. A8 hours
2. B24 hours
3. C1 hour
4. D3 hours

Which gland produces thyroid-stimulating hormone (TSH)?

1. AThe parathyroid glands
2. BThe anterior pituitary gland
3. CThe thyroid gland itself
4. DThe adrenal cortex

In the third trimester of pregnancy, a woman's alkaline phosphatase (ALP) is about twice the usual adult range, and the other liver tests are normal. What is the best interpretation?

1. AA sign of new bone cancer
2. BA sign of blocked bile ducts
3. CA sign of acute viral hepatitis
4. DA normal rise from placental ALP

心室性不整脈の患者のモニターに、ねじれるようなパターン（トルサード・ド・ポアント）が現れました。治療として静脈内投与されることが多い電解質はどれですか？

1. A硫酸マグネシウム
2. Bリン酸カリウム
3. C炭酸水素ナトリウム
4. D炭酸カルシウム

A patient with a low clinical probability of deep vein thrombosis has a normal (negative) D-dimer. What is the best interpretation?

1. AA DVT is unlikely and can usually be ruled out
2. BA pulmonary embolism is now certain to be present
3. CA DVT is confirmed and anticoagulation is needed
4. DThe test is useless and should always be ignored

Ten days after chemotherapy, a patient has a platelet count of 9 × 10³/µL and reports a sudden severe headache and blurred vision. What is the priority?

1. AEncourage the patient to drink more fluids and check the blood pressure later
2. BDim the lights and encourage rest, as headaches are common after chemotherapy
3. CGive acetaminophen (paracetamol) for the headache and reassess in 1 hour
4. DAssess neurological status and report it at once as possible brain bleeding

A patient has a hemoglobin of 11.2 g/dL (112 g/L), an MCV of 64 fL, a normal ferritin and a normal-to-high red cell count. What is the most likely cause?

1. AVitamin B₁₂ deficiency
2. BIron deficiency
3. CAcute blood loss
4. DThalassemia trait