Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami

A laboratory reports that a blood sample is "hemolyzed." What does this mean?

1. AThe sample has a very low hemoglobin
2. BThe sample was taken from an artery
3. CThe sample contains too many platelets
4. DRed cells in the sample have broken open

Which ECG change is linked to hypercalcemia?

1. AA prolonged QT interval
2. BA shortened QT interval
3. CProminent U waves
4. DTall, peaked T waves

A raised serum uric acid is most closely linked to which condition?

1. AOsteoporosis
2. BIron-deficiency anemia
3. CHypothyroidism
4. DGout

A patient taking furosemide has a potassium of 3,3 mEq/L and is told to eat more potassium-rich foods. Which snack is the best choice?

1. APlain crackers
2. BDried apricots
3. CRice cakes
4. DWhite bread

A patient on a heparin infusion has blood in the urine and an aPTT far above the target. The nurse stops the infusion and informs the provider. Which antidote should the nurse anticipate?

1. ACalcium gluconate
2. BVitamin K (phytonadione)
3. CNaloxone
4. DProtamine sulfate

When do the blood counts usually reach their lowest point (nadir) after many standard chemotherapy regimens?

1. AAbout 7–14 days after treatment
2. BAbout 6 months after treatment
3. CWithin 1–2 hours of treatment
4. DOn the same day as treatment

Dlaczego prawidłowa kreatynina może być myląca u osłabionego starszego pacjenta z małą masą mięśniową?

1. AMniej mięśni wytwarza mniej kreatyniny, co ukrywa obniżoną czynność nerek
2. BOsoby starsze zawsze mają wyższą kreatyninę niż młodsze
3. CStężenie kreatyniny wcale nie zależy od masy mięśniowej
4. DPrawidłowa kreatynina zawsze dowodzi prawidłowej czynności nerek

A patient stopped long-term prednisone suddenly a week ago. Now: blood pressure 78/46 mm Hg, sodium 126 mEq/L, potassium 5,8 mEq/L, glucose 58 mg/dL (3,2 mmol/L). Which condition is most likely?

1. APrimary hyperaldosteronism (Conn syndrome)
2. BSyndrome of inappropriate ADH (SIADH)
3. CAcute adrenal insufficiency (adrenal crisis)
4. DCushing syndrome from steroid excess