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

Koks būdingas suaugusiojo leukocitų skaičiaus atskaitos intervalas?

  1. AMaždaug 0,5–1,0 × 10³/µL (0,5–1,0 × 10⁹/L)
  2. BMaždaug 4,5–11 × 10³/µL (4,5–11 × 10⁹/L)
  3. CMaždaug 25–40 × 10³/µL (25–40 × 10⁹/L)
  4. DMaždaug 150–400 × 10³/µL (150–400 × 10⁹/L)
2.Lengvas

Which findings are typical of a low serum magnesium?

  1. AJaundice, itching and pale stools
  2. BTremor, hyperreflexia and cardiac arrhythmias
  3. CLoss of reflexes, flushing and slow breathing
  4. DPolyuria, extreme thirst and pale urine
3.Lengvas

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

  1. AMonocytes
  2. BNeutrophils
  3. CLymphocytes
  4. DEosinophils
4.Vidutinis

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

  1. AProminent U waves
  2. BTall, peaked T waves
  3. CFlattened T waves
  4. DDelta waves before the QRS
5.Vidutinis

A patient taking spironolactone asks about using a salt substitute. What should the nurse explain?

  1. ASalt substitutes are fine as long as the patient drinks more water
  2. BSalt substitutes protect against the potassium loss caused by this drug
  3. CSalt substitutes are safe because they contain only sodium chloride
  4. DMost salt substitutes contain potassium and can raise the level too high
6.Vidutinis

A patient with a low clinical probability of deep vein thrombosis has a normal (negative) D-dimer. What is the best interpretation?

  1. AA DVT is confirmed and anticoagulation is needed
  2. BA pulmonary embolism is now certain to be present
  3. CThe test is useless and should always be ignored
  4. DA DVT is unlikely and can usually be ruled out
7.Sunkus

A patient has fatigue, weight loss, darkening of the skin and low blood pressure. Results: sodium 130 mEq/L, potassium 5,6 mEq/L. Which test pattern would confirm primary adrenal insufficiency (Addison disease)?

  1. ALow cortisol with a low ACTH
  2. BHigh cortisol with a low ACTH
  3. CHigh cortisol with a high ACTH
  4. DLow cortisol with a high ACTH
8.Sunkus

A patient has sudden episodes of severe headache, sweating, palpitations and very high blood pressure. Which test is most useful to look for the cause?

  1. APlasma free metanephrines
  2. BSerum TSH and free T4
  3. CFasting lipid profile
  4. DSerum calcium only

Atsakymai

  1. 1. B · Maždaug 4,5–11 × 10³/µL (4,5–11 × 10⁹/L)
  2. 2. B · Tremor, hyperreflexia and cardiac arrhythmias
  3. 3. B · Neutrophils
  4. 4. B · Tall, peaked T waves
  5. 5. D · Most salt substitutes contain potassium and can raise the level too high
  6. 6. D · A DVT is unlikely and can usually be ruled out
  7. 7. D · Low cortisol with a high ACTH
  8. 8. A · Plasma free metanephrines

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