Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Where is urea, measured as blood urea nitrogen (BUN), made?

1. AIn the liver, from the breakdown of protein
2. BIn the bone marrow, from old red blood cells
3. CIn the muscles, from the breakdown of creatine
4. DIn the kidneys, from the breakdown of glucose

A positive hepatitis B surface antigen (HBsAg) test means:

1. AThe person currently has hepatitis B infection
2. BThe person has never met the virus
3. CThe person had hepatitis A in the past
4. DThe person is immune from vaccination only

In iron-deficiency anemia, the total iron-binding capacity (TIBC) is usually:

1. ALow
2. BHigh
3. CNormal
4. DAbsent

A patient with type 1 diabetes has the flu, is eating little and has a glucose of 290 mg/dL (16,1 mmol/L). Which advice is correct?

1. ADrink only water and avoid all carbohydrate foods
2. BWait 3 days before checking the glucose again
3. CStop all insulin until you are eating normally again
4. DKeep taking insulin and check blood or urine ketones

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. AAbsolute neutrophil count
2. BSerum lithium level
3. CSerum amylase
4. DInternational normalized ratio

Which finding during a transfusion suggests transfusion-associated circulatory overload (TACO)?

1. AHives and itching without other signs
2. BA low temperature and slow heart rate
3. CCrackles, hypertension and a raised BNP
4. DBack pain with dark red urine output

In the first 24 hours after a major burn, which laboratory pattern is most expected?

1. ALow potassium and low hematocrit
2. BHigh calcium and high albumin
3. CHigh potassium and high hematocrit
4. DLow sodium and low hematocrit

Seorang pasien dengan infus heparin mengalami penurunan hitung trombosit dari 260 menjadi 110 × 10³/µL pada hari ke-7. Tindakan mana yang paling tepat?

1. AMelanjutkan infus dan menaikkan kecepatan sesuai protokol
2. BTidak melakukan apa-apa, karena hitungnya masih sedikit di atas 100 × 10³/µL
3. CMemberikan transfusi trombosit dan melanjutkan heparin
4. DSegera melaporkannya: trombositopenia akibat heparin mungkin terjadi