Lembar kerja Nilai laboratorium & elektrolit dengan jawaban

What is a typical reference range for the hematocrit in an adult woman?

1. AAbout 10–15%
2. BAbout 20–28%
3. CAbout 55–65%
4. DAbout 37–47%

Untuk natrium dan kalium, bagaimana perbandingan 1 mEq/L dengan 1 mmol/L?

1. A1 mEq/L sama dengan 0,5 mmol/L untuk ion-ion ini
2. BKeduanya sama, karena setiap ion membawa satu muatan
3. CKeduanya tidak dapat dibandingkan, karena mengukur hal yang berbeda
4. D1 mEq/L sama dengan 2 mmol/L untuk ion-ion ini

On urinalysis, dark amber urine with a high specific gravity most often suggests:

1. AConcentrated urine from low fluid intake
2. BUrine with a large amount of glucose
3. CVery dilute urine from high fluid intake
4. DNormal urine after drinking extra water

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AThe patient has developed acute hepatitis
2. BThe patient has developed acute pancreatitis
3. CAn acute myocardial infarction has occurred
4. DStrenuous exercise raised CK from skeletal muscle

A patient with a potassium of 2,8 mEq/L has potassium chloride prescribed IV. Which statement about giving it is correct?

1. AIt is always diluted and given by infusion pump, never as an IV push
2. BIt may be given as a slow IV push over one minute if the level is very low
3. CIt is given as an undiluted bolus into a large vein to avoid irritation
4. DIt is added to the IV bag without mixing, so it stays at the bottom

When should a blood sample for a digoxin level be drawn to be interpreted correctly?

1. AOnly after a meal, because food is needed for absorption
2. BWithin 30 minutes after an oral dose to show the peak level
3. CAt any time, because digoxin levels do not change during the day
4. DAt least 6–8 hours after a dose, often just before the next one

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

A patient has painless jaundice, itching, dark urine and pale stools. ALP is markedly raised, conjugated (direct) bilirubin is high and ALT is only mildly raised. What is the most likely cause?

1. AIncreased breakdown of red blood cells (hemolytic anemia)
2. BAcute viral hepatitis with widespread liver cell damage
3. CBlockage of bile flow, for example by a tumor in the bile duct
4. DGilbert syndrome, a harmless inherited bilirubin disorder