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

A raised lymphocyte count is most typical of:

  1. AAllergic asthma
  2. BBacterial abscesses
  3. CViral infections
  4. DIron deficiency
2.Lengvas

What is the main role of platelets?

  1. ATo break down old red cells in the spleen
  2. BTo carry oxygen and carbon dioxide in the blood
  3. CTo produce antibodies against bacteria and viruses
  4. DTo form a plug at the site of vessel injury
3.Lengvas

What is a typical adult reference range for serum chloride?

  1. AAbout 98–106 mEq/L
  2. BAbout 22–28 mEq/L
  3. CAbout 3,5–5,0 mEq/L
  4. DAbout 135–145 mEq/L
4.Vidutinis

A patient with hyperkalemia is prescribed an oral potassium binder such as patiromer or sodium zirconium cyclosilicate. How does this drug lower potassium?

  1. AIt protects the heart muscle against high potassium levels
  2. BIt moves potassium into cells in the next few minutes
  3. CIt binds potassium in the gut so it leaves in the stool
  4. DIt stops the kidneys from absorbing water in the tubules
5.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 white cell count
  2. BA rise in the platelet count
  3. CA rise in the reticulocyte count
  4. DA fall in the mean cell volume (MCV)
6.Vidutinis

Which instruction is correct for a patient taking an oral potassium chloride supplement?

  1. ATake it with food and a full glass of water, and do not crush extended-release tablets
  2. BUse a salt substitute as well, so less of the tablet is needed each day
  3. CCrush the extended-release tablets and mix them with a little water if needed
  4. DTake it on an empty stomach with only a small sip of water to speed absorption
7.Sunkus

A patient receiving chemotherapy has a white cell count of 1,8 × 10³/µL with 20% neutrophils and 5% bands. What is the absolute neutrophil count (ANC)?

  1. A1,800/µL
  2. B450/µL
  3. C4,500/µL
  4. D360/µL
8.Sunkus

A patient with severe hypertriglyceridemia has a measured sodium of 128 mEq/L, but a measured serum osmolality is normal, and the patient has no symptoms. What is the most likely explanation?

  1. ATrue hyponatremia from SIADH that needs fluid restriction
  2. BPseudohyponatremia, an artifact caused by very high lipids
  3. CHyponatremia caused by drinking far too much water
  4. DHyponatremia caused by severe hyperglycemia in diabetes

Atsakymai

  1. 1. C · Viral infections
  2. 2. D · To form a plug at the site of vessel injury
  3. 3. A · About 98–106 mEq/L
  4. 4. C · It binds potassium in the gut so it leaves in the stool
  5. 5. C · A rise in the reticulocyte count
  6. 6. A · Take it with food and a full glass of water, and do not crush extended-release tablets
  7. 7. B · 450/µL
  8. 8. B · Pseudohyponatremia, an artifact caused by very high lipids

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