Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

Kapan kadar trough vankomisin diambil?

1. ATepat sebelum dosis berikutnya, biasanya dalam 30 menit sebelumnya
2. BSegera setelah infus selesai
3. CKapan saja yang nyaman sepanjang hari, tidak peduli kapan dosis jatuh tempo
4. DDua jam setelah infus dimulai

Natrium serum 128 mEq/L disebut:

1. AHipokalemia
2. BHipernatremia
3. CHiponatremia
4. DHiperkalemia

Pemeriksaan urine mana yang digunakan untuk menyaring penderita diabetes terhadap kerusakan ginjal dini?

1. ATes kehamilan urine
2. BKultur urine untuk bakteri
3. CRasio albumin terhadap kreatinin urine (ACR)
4. DBerat jenis urine

Why is a baseline platelet count taken before starting heparin therapy?

1. ASo a later fall from heparin-induced thrombocytopenia is detected
2. BSo that the INR can be calculated from the platelet count later
3. CBecause heparin is given at a dose based on the platelet count
4. DBecause heparin increases the platelet count to dangerous levels

A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?

1. ALow potassium and low bicarbonate
2. BLow glucose and high magnesium
3. CHigh potassium and high bicarbonate
4. DHigh sodium and high calcium

Why must a blue-top (citrate) coagulation tube be filled to the correct level?

1. AAn overfull tube is needed to measure the potassium level
2. BUnderfilled tubes always give a falsely low hemoglobin and hematocrit
3. CThe laboratory charges extra when a tube is not filled correctly
4. DThe blood-to-anticoagulant ratio must be right for accurate clotting times

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 stay seated during the test if I can"
3. C"I'll fast overnight but can drink plain water"
4. D"I'll avoid smoking until the test is over"

A patient with acute kidney injury has a potassium of 6,8 mEq/L despite medical treatment, a pH of 7,12 and pulmonary edema not responding to diuretics. Which treatment is most likely needed?

1. AA potassium supplement
2. BAn IV magnesium dose
3. CUrgent dialysis
4. DMore oral fluid