Phiếu bài tập Giá trị xét nghiệm và điện giải có đáp án

A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?

1. ADuctal breast cancer
2. BProstate adenocarcinoma
3. CBladder urothelial cancer
4. DHepatocellular (liver) cancer

Khoảng tham chiếu điển hình ở người lớn của phosphate huyết thanh là bao nhiêu?

1. AKhoảng 8,5–10,5 mg/dL (2,1–2,6 mmol/L)
2. BKhoảng 5,5–7,5 mg/dL (1,8–2,4 mmol/L)
3. CKhoảng 2,5–4,5 mg/dL (0,8–1,5 mmol/L)
4. DKhoảng 0,5–1,5 mg/dL (0,2–0,5 mmol/L)

Using American Diabetes Association (ADA) criteria, which HbA1c range is classed as prediabetes?

1. A6,5–7,5% (48–58 mmol/mol)
2. B5,7–6,4% (39–47 mmol/mol)
3. C4,0–5,6% (20–38 mmol/mol)
4. D8,0–9,0% (64–75 mmol/mol)

A week after a splenectomy, a patient's platelet count is 650 × 10³/µL. What is the best interpretation?

1. AA laboratory error, because platelets fall after splenectomy
2. BA sign of iron overload from the surgery and transfusion
3. CAn expected rise after splenectomy that increases clot risk
4. DA sign of new leukemia that needs immediate chemotherapy

When should the nurse check the glucose before giving a mealtime dose of rapid-acting insulin (such as lispro)?

1. AAt bedtime only, then giving the mealtime insulin overnight
2. BOnly once a day, then giving the same dose before every meal
3. CTwo hours after the meal, then giving the insulin dose
4. DJust before the meal, giving insulin when the food is ready

A blood sample drawn just after a patient ate a fatty meal is reported as "lipemic." What does this mean for the results?

1. AThe sample shows the patient has diabetic ketoacidosis
2. BHigh fat in the sample may interfere with some test results
3. CThe sample was contaminated by an IV fluid with dextrose
4. DThe results are more accurate than in a fasting sample

Canxi toàn phần của người bệnh là 7,9 mg/dL (2,0 mmol/L), albumin 2,4 g/dL (24 g/L) và không có triệu chứng. Xét nghiệm nào làm rõ tốt nhất liệu có hạ canxi máu thực sự hay không?

1. ATỷ trọng nước tiểu
2. BHbA1c
3. CCanxi ion hóa
4. DNatri huyết thanh

The nurse prepares a patient for a 2-hour oral glucose tolerance test tomorrow morning. Which statement shows a need for further teaching?

1. A"I'll avoid smoking until the test is over"
2. B"I'll stay seated during the test if I can"
3. C"I can have a light breakfast before the test"
4. D"I'll fast overnight but can drink plain water"