Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is the purpose of a type and crossmatch before a transfusion?

1. ATo find out how quickly the patient's blood forms a clot
2. BTo measure how much iron is stored in the patient's bone marrow
3. CTo check that donor blood is compatible with the patient's blood
4. DTo test the donor blood for bacterial contamination only

What does a raised erythrocyte sedimentation rate (ESR) show?

1. AA low level of iron stored in the bone marrow
2. BA specific infection of the urinary tract by bacteria
3. CInflammation somewhere in the body, without showing where
4. DDamage to heart muscle within the past few hours

Where does most of the ammonia in the blood come from, and which organ removes it?

1. AGlucose breakdown in muscle; removed by the pancreas
2. BRed cell breakdown in the spleen; removed by the skin
3. CProtein breakdown by gut bacteria; removed by the liver
4. DFat breakdown in adipose tissue; removed by the lungs

A patient on warfarin has an INR of 7,8 and a nosebleed. Which medication would the nurse expect the provider to prescribe?

1. AVitamin K (phytonadione)
2. BProtamine sulfate
3. CNaloxone hydrochloride
4. DAcetylcysteine

A tired patient with heavy menstrual periods has a normal hemoglobin and MCV but a ferritin of 8 ng/mL. What does this show?

1. AIron deficiency without anemia yet
2. BVitamin B₁₂ deficiency anemia
3. CIron overload from too much iron
4. DA completely normal iron status

A patient taking furosemide has a potassium of 3,3 mEq/L and is told to eat more potassium-rich foods. Which snack is the best choice?

1. APlain crackers
2. BRice cakes
3. CWhite bread
4. DDried apricots

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

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

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. ASegera melaporkannya: trombositopenia akibat heparin mungkin terjadi
2. BMemberikan transfusi trombosit dan melanjutkan heparin
3. CTidak melakukan apa-apa, karena hitungnya masih sedikit di atas 100 × 10³/µL
4. DMelanjutkan infus dan menaikkan kecepatan sesuai protokol