Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Vitamin B₁₂ deficiency typically causes which type of anemia?

1. AAplastic anemia, with an empty bone marrow
2. BMacrocytic anemia, with large red cells
3. CMicrocytic anemia, with small red cells
4. DHemolytic anemia, with destroyed red cells

Which blood group's plasma can be given to patients of any ABO group (universal plasma donor)?

1. AGroup AB
2. BGroup B
3. CGroup A
4. DGroup O

Un potassio sierico di 5,9 mEq/L si chiama:

1. AIperkaliemia
2. BIpokaliemia
3. CIpernatriemia
4. DIpercalcemia

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. AProtamine sulfate
2. BNaloxone
3. CCalcium gluconate
4. DVitamin K (phytonadione)

A pregnant woman's blood type is O Rh-negative, and her antibody screen (indirect Coombs test) is negative. What is usually offered at about 28 weeks?

1. AAnti-D immunoglobulin (Rho(D) immune globulin)
2. BAn IV dose of vitamin K given for the fetus
3. CA transfusion of group O Rh-positive red cells
4. DDaily oral iron and folic acid supplements only

Perché i pazienti con malattia renale cronica hanno spesso anemia?

1. AI reni danneggiati filtrano e distruggono i globuli rossi
2. BI reni producono meno eritropoietina, che stimola la produzione di globuli rossi
3. CLe tossine uremiche fanno produrre al midollo osseo globuli bianchi invece di globuli rossi
4. DL'alto potassio della malattia renale distrugge i globuli rossi

A patient's bedside glucose meter shows "HI" (above its measuring range). The patient is drowsy. What should the nurse do?

1. AGive oral glucose in case the reading is wrong and the patient is low
2. BRecord "HI" and repeat the meter test at the next scheduled time
3. CSend a venous sample to the lab and inform the provider at once
4. DAssume the meter is broken and give the usual insulin dose

A patient with long-standing rheumatoid arthritis has a hemoglobin of 10,5 g/dL (105 g/L), a low serum iron, a low total iron-binding capacity (TIBC) and a high-normal ferritin. Which condition fits best?

1. AIron-deficiency anemia
2. BAnemia of chronic disease (inflammation)
3. CAcute blood loss anemia
4. DVitamin B₁₂ deficiency anemia