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

Why is serum creatinine a better marker of kidney function than BUN?

  1. AIt is affected mainly by protein intake, which is easy to control
  2. BIt is not filtered by the kidneys, so its level stays very stable
  3. CIt is made by the liver, so it rises in every kind of illness
  4. DIt is less affected by diet, hydration and bleeding in the gut
2.Lengvas

What does the specificity of a diagnostic test describe?

  1. AThe proportion of people without the disease who test negative
  2. BThe proportion of people with the disease who test positive
  3. CThe total number of people who take the test each year
  4. DThe cost of the test compared with other tests
3.Lengvas

For a fasting plasma glucose test, the patient should have had no caloric intake for at least:

  1. A3 hours
  2. B8 hours
  3. C24 hours
  4. D1 hour
4.Vidutinis

Why is a baseline platelet count taken before starting heparin therapy?

  1. ABecause heparin is given at a dose based on the platelet count
  2. BSo a later fall from heparin-induced thrombocytopenia is detected
  3. CSo that the INR can be calculated from the platelet count later
  4. DBecause heparin increases the platelet count to dangerous levels
5.Vidutinis

A patient has a calcium of 11,8 mg/dL (2,95 mmol/L) from bone metastases. Which nursing measure is appropriate?

  1. AEncourage bed rest and limit oral fluids
  2. BGive calcium carbonate antacids for nausea
  3. CEncourage fluids and mobility as tolerated
  4. DOffer extra milk and cheese at each meal
6.Vidutinis

A patient with iron-deficiency anemia started oral iron. Which result is usually the earliest sign that treatment is working?

  1. AA fall in the mean cell volume (MCV)
  2. BA rise in the reticulocyte count
  3. CA fall in the white cell count
  4. DA rise in the platelet count
7.Sunkus

A woman who is 34 weeks pregnant has high blood pressure, right upper abdominal pain, a platelet count of 70 × 10³/µL, raised ALT and AST, and a raised LDH. Which condition fits best?

  1. AAcute cholecystitis
  2. BHELLP syndrome
  3. CPhysiologic anemia of pregnancy
  4. DGestational diabetes
8.Sunkus

A patient's total calcium is 7,6 mg/dL and the albumin is 2,0 g/dL. Using the common correction (add 0,8 mg/dL for each 1 g/dL that albumin is below 4,0), what is the corrected calcium?

  1. A6,0 mg/dL, well below the normal range
  2. B9,2 mg/dL, within the normal range
  3. C7,6 mg/dL, below the normal range
  4. D11,6 mg/dL, above the normal range

Atsakymai

  1. 1. D · It is less affected by diet, hydration and bleeding in the gut
  2. 2. A · The proportion of people without the disease who test negative
  3. 3. B · 8 hours
  4. 4. B · So a later fall from heparin-induced thrombocytopenia is detected
  5. 5. C · Encourage fluids and mobility as tolerated
  6. 6. B · A rise in the reticulocyte count
  7. 7. B · HELLP syndrome
  8. 8. B · 9,2 mg/dL, within the normal range

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