Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami

What does the red cell distribution width (RDW) describe?

1. AHow fast the red cells settle in a tube
2. BHow many red cells are young cells
3. CHow much the red cells vary in size
4. DHow long red cells survive in the blood

Która glikemia na czczo mieści się w typowym zakresie normy u dorosłego bez cukrzycy?

1. A140 mg/dL (7,8 mmol/L)
2. B85 mg/dL (4,7 mmol/L)
3. C45 mg/dL (2,5 mmol/L)
4. D210 mg/dL (11,7 mmol/L)

Which laboratory test is traditionally used to adjust a continuous infusion of unfractionated heparin?

1. AInternational normalized ratio (INR)
2. BActivated partial thromboplastin time (aPTT)
3. CErythrocyte sedimentation rate (ESR)
4. DPlatelet function assay (PFA-100 test)

How should a patient collect a clean-catch midstream urine sample?

1. ACollect the very first urine of the stream directly in the sterile cup
2. BClean the area, start voiding into the toilet, then catch the middle part
3. CFill the cup completely, then add tap water if there is not enough
4. DCollect urine from the toilet bowl after voiding into the toilet

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ATake it with food and a full glass of water, and do not crush extended-release tablets
2. BTake it on an empty stomach with only a small sip of water to speed absorption
3. CCrush the extended-release tablets and mix them with a little water if needed
4. DUse a salt substitute as well, so less of the tablet is needed each day

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

1. AINR, to set the dose of the anticoagulant
2. BKidney function (creatinine clearance)
3. CTSH, to rule out an overactive thyroid gland
4. DLipase, to rule out an inflamed pancreas first

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

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

A patient on stable digoxin starts amiodarone. A week later, the patient has nausea and visual changes, and the digoxin level is above the range. What is the most likely explanation?

1. ADigoxin has raised the amiodarone level
2. BAmiodarone has raised the digoxin level
3. CThe patient has started a viral illness
4. DAmiodarone has lowered potassium only