Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What does a raised D-dimer level show?

1. AThe patient is taking too much warfarin
2. BThe liver is no longer able to make clotting factors
3. CThe platelet count is too low to stop bleeding
4. DFibrin clots are being formed and broken down in the body

Which blood marker is the most specific for injury to the heart muscle?

1. ATotal creatine kinase
2. BCardiac troponin
3. CLactate dehydrogenase
4. DSerum myoglobin

Which condition commonly causes a high serum potassium?

1. ALoop diuretic use
2. BRepeated vomiting
3. CKidney failure
4. DSevere diarrhea

A patient had a total thyroidectomy yesterday. Which laboratory value is most important to monitor in the first days after surgery?

1. ASerum sodium
2. BSerum potassium
3. CSerum glucose
4. DSerum calcium

A patient takes high-dose biotin supplements for hair and nails. Why should the nurse report this before blood tests?

1. ABiotin causes a true rise in blood glucose in all patients
2. BBiotin can distort some immunoassays, such as troponin or TSH
3. CBiotin lowers the hemoglobin by destroying the red cells
4. DBiotin makes the blood clot in the tube before testing

Which instruction is correct for a patient starting oral iron tablets?

1. AYour stools may turn dark green or black
2. BTake the tablet with an antacid to improve absorption
3. CYour urine will turn bright orange while you take it
4. DTake each tablet with milk to protect the stomach

Kalium pasien telah 3,4–3,6 mEq/L selama berbulan-bulan, dan satu hasil hari ini adalah 5,4 mEq/L. Pasien merasa sehat dan EKG normal. Apa langkah berikutnya yang terbaik?

1. AMenghentikan semua obat rutin pasien
2. BMengabaikan hasil, karena pasien merasa sehat
3. CSegera memulai pengikat kalium tanpa pemeriksaan lebih lanjut
4. DMemeriksa bagaimana sampel diambil, mengkaji pasien, dan mengulang tes

A frail older adult in a nursing home has been drinking very little during a heat wave. She is confused, and her sodium is 158 mEq/L. Which treatment would the nurse expect?

1. ARapid infusion of 3% saline to raise the volume
2. BGradual replacement of free water over many hours
3. CStrict fluid restriction to below 800 mL a day
4. DA loop diuretic to remove the extra sodium quickly