Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

Which blood group is the universal donor for red blood cells in an emergency?

1. AGroup O, Rh negative
2. BGroup B, Rh positive
3. CGroup A, Rh negative
4. DGroup AB, Rh positive

What is a typical reference range for the reticulocyte count in an adult?

1. AAbout 0,01–0,05% of red cells
2. BAbout 0,5–2% of red cells
3. CAbout 40–50% of red cells
4. DAbout 10–20% of red cells

Which type of white blood cell is normally the most numerous in an adult's blood?

1. ANeutrophils
2. BMonocytes
3. CLymphocytes
4. DEosinophils

Which instruction is correct for a patient starting oral iron tablets?

1. AYour urine will turn bright orange while you take it
2. BYour stools may turn dark green or black
3. CTake the tablet with an antacid to improve absorption
4. DTake each tablet with milk to protect the stomach

A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?

1. ALow glucose and high magnesium
2. BHigh potassium and high bicarbonate
3. CHigh sodium and high calcium
4. DLow potassium and low bicarbonate

A patient takes high-dose furosemide. Besides potassium, which electrolyte is most commonly lowered?

1. AMagnesium
2. BUric acid
3. CPhosphate
4. DSodium bicarbonate

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. BVitamin B₁₂ deficiency anemia
3. CAnemia of chronic disease (inflammation)
4. DAcute blood loss anemia

A patient receiving chemotherapy has a white cell count of 1,8 × 10³/µL with 20% neutrophils and 5% bands. What is the absolute neutrophil count (ANC)?

1. A450/µL
2. B360/µL
3. C1,800/µL
4. D4,500/µL