Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami

Which laboratory test is used to diagnose sickle cell disease?

1. AHemoglobin electrophoresis
2. BErythrocyte sedimentation rate
3. CSerum ferritin and transferrin saturation
4. DProthrombin time with INR

Vitamin B₁₂ deficiency typically causes which type of anemia?

1. AHemolytic anemia, with destroyed red cells
2. BAplastic anemia, with an empty bone marrow
3. CMicrocytic anemia, with small red cells
4. DMacrocytic anemia, with large red cells

A serum sodium of 151 mEq/L is called:

1. AHypernatremia
2. BHypercalcemia
3. CHyperkalemia
4. DHyponatremia

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

1. AStop the infusion and give protamine sulfate as quickly as possible
2. BSwitch the infusion to oral warfarin without a prescription
3. CAdjust the rate as the protocol directs and recheck as scheduled
4. DContinue the same rate and recheck the aPTT in a few days

Pacjent otrzymuje podskórnie enoksaparynę (heparynę drobnocząsteczkową). Które stwierdzenie o monitorowaniu jest prawidłowe?

1. ARutynowe aPTT nie jest potrzebne; zamiast tego kontroluje się płytki i czynność nerek
2. BNigdy nie są potrzebne żadne badania krwi
3. CINR służy do dostosowania każdej dawki, jak w przypadku warfaryny
4. DaPTT trzeba kontrolować co 6 godzin, aby dostosować dawkę

A stable adult who is not bleeding receives one unit of packed red cells. By about how much is the hemoglobin expected to rise?

1. AAbout 5 g/dL (50 g/L)
2. BAbout 3 g/dL (30 g/L)
3. CAbout 1 g/dL (10 g/L)
4. DAbout 0,1 g/dL (1 g/L)

A patient has sudden episodes of severe headache, sweating, palpitations and very high blood pressure. Which test is most useful to look for the cause?

1. AFasting lipid profile
2. BSerum TSH and free T₄
3. CPlasma free metanephrines
4. DSerum calcium only

A patient with a stable INR on warfarin starts rifampin (rifampicin) for tuberculosis. Two weeks later the INR is 1,3. What is the most likely explanation?

1. ARifampin raises the INR, so it is wrong
2. BRifampin contains a lot of vitamin K
3. CTuberculosis causes the INR to fall
4. DRifampin speeds up warfarin metabolism