Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais
Nemokamas spausdinamas užduočių lapas tema Laboratorinės reikšmės ir elektrolitai: 8 uždavinių nuo lengvų iki egzamino lygio, su atsakymais. Atsispausdinkite arba išsaugokite kaip PDF.
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Vardas: ____________________ Data: ____________
1.Lengvas
What is a typical adult reference range for total serum bilirubin?
AAbout 0,3–1,2 mg/dL (5–21 µmol/L)
BAbout 0,03–0,1 mg/dL (0,5–1,7 µmol/L)
CAbout 3–12 mg/dL (51–205 µmol/L)
DAbout 10–20 mg/dL (171–342 µmol/L)
2.Lengvas
Which sample is commonly used to screen a patient for MRSA carriage on admission?
AA blood culture from one arm
BA sample of stool sent for culture
CA swab from the front of the nose
DA clean-catch midstream urine sample
3.Lengvas
Which substance contributes most to normal serum osmolality?
AUrea (from BUN)
BPlasma albumin
CGlucose in plasma
DSodium and its anions
4.Vidutinis
How does normal pregnancy usually affect serum creatinine?
AIt stays exactly the same
BIt rises, because GFR falls
CIt rises with every week
DIt falls, because GFR rises
5.Vidutinis
A patient on carbamazepine becomes confused and has a headache. Which laboratory result would most likely explain this?
AA high serum calcium
BA high serum potassium
CA low serum sodium
DA low serum magnesium
6.Vidutinis
During a red cell transfusion, when are serious acute reactions most likely, so the nurse stays with the patient?
AAfter about 2 hours
BAfter the last drop is given
CIn the first 15 minutes
DThe next morning
7.Sunkus
A patient on high-dose dexamethasone has a white cell count of 15 × 10³/µL, mostly mature neutrophils with no bands. They have no fever and no signs of infection. What is the most likely explanation?
AA laboratory error, because steroids always lower the white count
BCertain sepsis that needs antibiotics started without delay
CA new leukemia that is confirmed by this result alone
DA steroid effect that moves neutrophils into the circulating blood
8.Sunkus
Which patient should the nurse assess first?
AHeart failure with a BNP lower than the result on admission
BHypertension with a potassium of 3,6 mEq/L on a thiazide
CStable angina with a total cholesterol of 245 mg/dL (6,3 mmol/L)
DChest pain with troponin rising from the first to the second sample
Atsakymai
1. A · About 0,3–1,2 mg/dL (5–21 µmol/L)
2. C · A swab from the front of the nose
3. D · Sodium and its anions
4. D · It falls, because GFR rises
5. C · A low serum sodium
6. C · In the first 15 minutes
7. D · A steroid effect that moves neutrophils into the circulating blood
8. D · Chest pain with troponin rising from the first to the second sample
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