Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is the main effect of parathyroid hormone (PTH) on serum calcium?

1. AIt has no effect on calcium
2. BIt only changes urine calcium
3. CIt raises serum calcium
4. DIt lowers serum calcium

In the US (NCEP ATP III) classification, which LDL cholesterol level is called optimal for an adult?

1. AAbout 190 mg/dL (4,9 mmol/L) or more
2. BBelow 100 mg/dL (2,6 mmol/L)
3. CAbout 220–260 mg/dL (5,7–6,7 mmol/L)
4. DAbout 160–189 mg/dL (4,1–4,9 mmol/L)

Using American Diabetes Association (ADA) criteria, a fasting plasma glucose of 100–125 mg/dL (5,6–6,9 mmol/L) is classed as:

1. APrediabetes (impaired fasting glucose)
2. BMild hypoglycemia (low glucose)
3. CNormal fasting glucose for an adult
4. DType 1 diabetes mellitus

On the first day after major surgery, a patient's white cell count is 12,5 × 10³/µL, with no fever or wound signs. What is the best interpretation?

1. AA common stress response to surgery that is monitored
2. BA sign of leukemia that needs bone marrow testing
3. CA laboratory error, since surgery lowers white cells
4. DDefinite wound infection that needs antibiotics now

A patient with recurrent gout starts allopurinol. Which laboratory result shows that the treatment is achieving its goal?

1. AA rising serum calcium
2. BA falling serum uric acid
3. CA falling serum potassium
4. DA rising white cell count

A patient has a calcium of 11,8 mg/dL (2,95 mmol/L) from bone metastases. Which nursing measure is appropriate?

1. AOffer extra milk and cheese at each meal
2. BEncourage fluids and mobility as tolerated
3. CGive calcium carbonate antacids for nausea
4. DEncourage bed rest and limit oral fluids

A patient on hemodialysis receives epoetin, but the hemoglobin has not risen in 2 months. Which results should be checked first?

1. AFerritin and transferrin saturation
2. BTroponin and creatine kinase
3. CAmylase and lipase levels
4. DTSH and the free T₃ level

Which set of results best shows that diabetic ketoacidosis is resolving?

1. AA closing anion gap with a rising bicarbonate and pH
2. BA falling glucose with a falling serum bicarbonate
3. CA falling glucose with a still widening anion gap
4. DA rising potassium with a falling bicarbonate