Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

In a person with HIV infection, a CD4 count below which level defines AIDS?

1. A200 cells/µL
2. B1,000 cells/µL
3. C500 cells/µL
4. D50 cells/µL

A serum sodium of 151 mEq/L is called:

1. AHyponatremia
2. BHypercalcemia
3. CHyperkalemia
4. DHypernatremia

Berapa rentang rujukan dewasa yang khas untuk natrium serum?

1. A3,5–5,0 mEq/L
2. B150–165 mEq/L
3. C135–145 mEq/L
4. D95–105 mEq/L

Seorang pasien menerima cairan IV yang mengalir ke lengan bawah kiri. Di mana perawat harus mengambil sampel darah?

1. ADari tepat di atas lokasi IV pada lengan yang sama
2. BDari kanula IV saat cairan sedang mengalir
3. CDari vena mana pun, karena cairan tidak memengaruhi hasil
4. DDari lengan sebelahnya

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

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

Seorang pasien memiliki natrium 152 mEq/L. Temuan mana yang diharapkan perawat?

1. AKenaikan berat badan dengan pergelangan kaki bengkak
2. BHaus, selaput lendir kering, dan kegelisahan
3. CKedutan otot dengan tanda Trousseau positif
4. DBradikardia dengan gelombang T runcing

A stable patient's hemoglobin has been 13–14 g/dL for days. Today's result is 8,2 g/dL, but the patient feels well, the vital signs are normal and there is no bleeding. What should the nurse suspect first?

1. AA sample taken from the wrong patient
2. BAcute bone marrow failure overnight
3. CA normal day-to-day variation in Hb
4. DSudden massive internal bleeding

A patient using an insulin pump has a glucose of 300 mg/dL (16,7 mmol/L) that has not fallen 2 hours after a correction bolus through the pump. Blood ketones are 1,8 mmol/L. What is the most likely problem and action?

1. ANormal pump function; wait for the next mealtime bolus to lower the glucose
2. BRebound after a hypo; give fast-acting carbohydrate and recheck in 15 minutes
3. CInsulin delivery failure; inject a correction dose by pen and change the set
4. DInsulin overdose from the pump; suspend the pump and stop all insulin for a day