Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami

What is the usual target INR for a patient taking warfarin for a deep vein thrombosis?

1. A1,0–1,5
2. B4,0–5,0
3. C2,0–3,0
4. D0,8–1,2

Który wynik laboratoryjny jest najściślej związany z żółtym zabarwieniem skóry i oczu (żółtaczką)?

1. APodwyższone stężenie potasu w surowicy
2. BPodwyższone stężenie bilirubiny w surowicy
3. CNiska liczba płytek krwi
4. DNiskie stężenie wapnia w surowicy

A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?

1. ABladder urothelial cancer
2. BHepatocellular (liver) cancer
3. CProstate adenocarcinoma
4. DDuctal breast cancer

A patient with chronic kidney disease has a magnesium of 3,8 mEq/L (1,9 mmol/L). Which product is the most likely cause?

1. ALoop diuretics such as furosemide
2. BProton pump inhibitors taken long term
3. CExcess alcohol use over many years
4. DMagnesium-containing laxatives or antacids

A patient's potassium is 7,0 mEq/L. Which ECG change would the nurse expect?

1. AFlattened T waves
2. BDelta waves before the QRS
3. CProminent U waves
4. DTall, peaked T waves

A patient with sickle cell disease takes hydroxyurea. Which laboratory test is monitored regularly for an adverse effect?

1. AUrine ketone level
2. BSerum amylase level
3. CComplete blood count
4. DSerum lithium level

In the first 24 hours after a major burn, which laboratory pattern is most expected?

1. ALow sodium and low hematocrit
2. BHigh potassium and high hematocrit
3. CHigh calcium and high albumin
4. DLow potassium and low hematocrit

A patient has a positive hepatitis C antibody (anti-HCV) test. What is the most appropriate next step?

1. ATest for HCV RNA to find out whether infection is current
2. BRepeat the antibody test, as a positive test is always false
3. CGive hepatitis C vaccine to prevent further infection
4. DTell the patient they definitely have chronic hepatitis C