Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Vitamin B₁₂ deficiency typically causes which type of anemia?

1. AMicrocytic anemia, with small red cells
2. BHemolytic anemia, with destroyed red cells
3. CAplastic anemia, with an empty bone marrow
4. DMacrocytic anemia, with large red cells

Natrium serum 128 mEq/L dipanggil:

1. AHiponatremia
2. BHipokalemia
3. CHiperkalemia
4. DHipernatremia

How does active vitamin D (calcitriol) affect calcium?

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

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

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

A patient with iron-deficiency anemia started oral iron. Which result is usually the earliest sign that treatment is working?

1. AA fall in the white cell count
2. BA fall in the mean cell volume (MCV)
3. CA rise in the reticulocyte count
4. DA rise in the platelet count

A trauma patient receives 2 L of IV crystalloid. The hemoglobin falls from 13.0 to 11.4 g/dL (130 to 114 g/L), and the vital signs are now stable. Which explanation is most likely?

1. AIncreased red cell production
2. BDilution of the blood by the IV fluid
3. CA laboratory error in the first sample
4. DA sudden failure of the bone marrow

A patient with kidney stones and fatigue has a calcium of 11.6 mg/dL (2.9 mmol/L), a high parathyroid hormone (PTH) and a low phosphate. Which condition is most likely?

1. AHypoparathyroidism
2. BPrimary hyperparathyroidism
3. CCancer-related hypercalcemia
4. DVitamin D deficiency

A patient with thalassemia major has received regular red cell transfusions for years. The ferritin is now very high. What does this most likely show, and what treatment is used?

1. AAcute infection, treated with broad-spectrum antibiotics
2. BLiver failure, treated with a liver transplant at once
3. CIron overload, treated with iron chelation therapy
4. DIron deficiency, treated with IV iron supplements