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

Kuris kraujo tyrimas paprastai yra pirmasis skydliaukės funkcijos patikros tyrimas?

  1. AGlikuotas hemoglobinas A1c (HbA1c)
  2. BSkydliaukę stimuliuojantis hormonas (TSH)
  3. CKalcis serume
  4. DKortizolis serume
2.Lengvas

Koks būdingas serumo osmoliališkumo atskaitos intervalas?

  1. AMaždaug 135–145 mOsm/kg
  2. BMaždaug 50–100 mOsm/kg
  3. CMaždaug 275–295 mOsm/kg
  4. DMaždaug 400–500 mOsm/kg
3.Lengvas

Why is prealbumin (transthyretin) sometimes used to follow a patient's nutritional status instead of albumin?

  1. AIt has a long half-life, so it changes over months
  2. BIt is measured in urine, so no blood test is needed
  3. CIt is not affected by inflammation or liver disease
  4. DIt has a short half-life, so it changes within days
4.Vidutinis

A nurse has a needlestick injury from a patient with unknown HIV status. Which test is usually done for the nurse as soon as possible?

  1. AA sweat chloride test
  2. BA baseline HIV test
  3. CA thyroid panel test
  4. DA serum lipase test
5.Vidutinis

A patient had a right mastectomy with removal of axillary lymph nodes. Where is the best place to draw blood?

  1. AThe right hand
  2. BThe left arm
  3. CThe right arm
  4. DEither arm equally
6.Vidutinis

A healthy woman at 28 weeks of pregnancy has a mildly lower hemoglobin than before pregnancy, with a normal MCV and ferritin. What is the most likely explanation?

  1. APregnancy hormones stop the bone marrow from making red cells
  2. BIron is being lost through the kidneys during the pregnancy
  3. CThe fetus is destroying the mother's red cells in the circulation
  4. DPlasma volume rises more than red cell mass, diluting the blood
7.Sunkus

Which cerebrospinal fluid (CSF) pattern most strongly suggests bacterial meningitis?

  1. AClear fluid, high glucose, low protein, many red cells
  2. BClear fluid, normal glucose, normal protein, no white cells
  3. CClear fluid, normal glucose, mildly raised protein, lymphocytes
  4. DCloudy fluid, low glucose, high protein, many neutrophils
8.Sunkus

A patient with suspected Cushing syndrome takes dexamethasone at night. The next morning, the cortisol is still high. What does this suggest?

  1. AThe result is normal, as dexamethasone raises cortisol
  2. BThe patient has primary hypothyroidism instead
  3. CCortisol is being produced without normal feedback control
  4. DThe adrenal glands are not able to produce enough cortisol

Atsakymai

  1. 1. B · Skydliaukę stimuliuojantis hormonas (TSH)
  2. 2. C · Maždaug 275–295 mOsm/kg
  3. 3. D · It has a short half-life, so it changes within days
  4. 4. B · A baseline HIV test
  5. 5. B · The left arm
  6. 6. D · Plasma volume rises more than red cell mass, diluting the blood
  7. 7. D · Cloudy fluid, low glucose, high protein, many neutrophils
  8. 8. C · Cortisol is being produced without normal feedback control

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