Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Seorang lansia ditemukan di lantai setelah berbaring di sana selama berjam-jam. Pemeriksaan darah mana yang paling baik menunjukkan pemecahan otot rangka (rabdomiolisis)?

1. AHemoglobin A1c (HbA1c)
2. BKreatin kinase (CK)
3. CAlbumin serum
4. DLipase serum

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

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

A raised eosinophil count is most typical of:

1. AAllergic conditions and parasitic infections
2. BAcute bacterial pneumonia and sepsis
3. CAcute blood loss after trauma
4. DViral infections such as glandular fever

A patient's potassium is unexpectedly 5,8 mEq/L. The sample was taken after the tourniquet was on for several minutes while the patient pumped their fist. What is the best interpretation?

1. AThe result may be falsely high and should be repeated with better technique
2. BTourniquet time affects only the glucose result, not the potassium
3. CThe result confirms true hyperkalemia and needs no further checking
4. DFist pumping lowers potassium, so the true level is even higher

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

1. AAbsolute neutrophil count
2. BInternational normalized ratio
3. CSerum lithium level
4. DSerum amylase

A stable adult who is not bleeding receives one unit of packed red cells. By about how much is the hemoglobin expected to rise?

1. AAbout 0,1 g/dL (1 g/L)
2. BAbout 1 g/dL (10 g/L)
3. CAbout 5 g/dL (50 g/L)
4. DAbout 3 g/dL (30 g/L)

Seorang pasien tiba 30 menit setelah muntah darah dalam jumlah besar. Denyut jantung 125/menit, tetapi hemoglobin pertama 13,0 g/dL (130 g/L). Mengapa hemoglobin menyesatkan?

1. ADarah utuh hilang, sehingga kadarnya baru turun beberapa jam kemudian
2. BHemoglobin naik selama perdarahan, yang menyembunyikan kehilangan darah
3. CNilai ini membuktikan tidak ada perdarahan yang bermakna
4. DTes ini tidak pernah akurat dalam situasi gawat darurat

The nurse prepares a patient for a 2-hour oral glucose tolerance test tomorrow morning. Which statement shows a need for further teaching?

1. A"I can have a light breakfast before the test"
2. B"I'll fast overnight but can drink plain water"
3. C"I'll avoid smoking until the test is over"
4. D"I'll stay seated during the test if I can"