Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Uric acid in the blood is a breakdown product of:

1. APurines
2. BHemoglobin
3. CGlucose
4. DFats

Why is "free T₄" often measured rather than total T₄?

1. AThe free form is the only form made by the gland
2. BThe free form is the form excreted in urine
3. CThe free form is stored inside the pituitary
4. DThe free form is the unbound, active hormone

Apakah julat rujukan dewasa yang lazim bagi natrium serum?

1. A135–145 mEq/L
2. B3.5–5.0 mEq/L
3. C95–105 mEq/L
4. D150–165 mEq/L

Bilakah kultur darah patut diambil untuk pesakit yang disyaki sepsis?

1. ASelepas tiga dos antibiotik yang pertama
2. BPada bila-bila masa, kerana antibiotik tidak menjejaskan keputusan
3. CSebelum dos antibiotik pertama, tanpa melewatkannya dengan banyak
4. DHanya jika demam berlangsung lebih daripada tiga hari

Makmal menelefon wad dengan keputusan kritikal kalium 6.9 mEq/L. Apakah yang patut dilakukan oleh jururawat?

1. ATunggu laporan bertulis tiba sebelum mengambil sebarang tindakan
2. BRekodkan nilai itu dan serahkan kepada syif seterusnya
3. CMinta makmal mengulang ujian sebelum memberitahu sesiapa
4. DBaca semula nilai itu, nilai pesakit dan maklumkan pembekal

When blood is drawn from a central venous catheter, why is a small volume of blood usually discarded first, according to policy?

1. ATo avoid diluting the sample with flush or infusion fluid
2. BTo check that the catheter tip is still in the right vein
3. CTo remove blood clots that form in all central lines
4. DTo lower the patient's hemoglobin for a blood transfusion

A patient in DKA is receiving IV fluids and insulin. The glucose has fallen to about 220 mg/dL (12.2 mmol/L), but the anion gap is still high. What change would the nurse expect?

1. AGive an IV bolus of sodium bicarbonate at once
2. BAdd dextrose to the IV fluids and continue the insulin
3. CStop the IV fluids and start oral fluids only
4. DStop the insulin infusion because the glucose is near normal

Which patient's result should the nurse act on first?

1. APlatelets 140 × 10³/µL in a patient with mild chronic liver disease
2. BHemoglobin 9.6 g/dL (96 g/L) in a patient with stable chronic kidney disease
3. CHemoglobin 6.4 g/dL (64 g/L) with new chest pain and a pulse of 124/min
4. DFerritin 15 ng/mL in a well patient with known iron-deficiency anemia on oral iron