Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Scheda di esercizi di Valori di laboratorio ed elettroliti gratuita e stampabile: 8 esercizi dal livello facile a quello d’esame, con le soluzioni. Stampala o salvala come PDF.

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Nome: ____________________   Data: ____________

1.Facile

Quale ione è il principale anione nel liquido extracellulare?

  1. APotassio
  2. BBicarbonato
  3. CCloruro
  4. DFosfato
2.Facile

What is the main role of fibrinogen in the blood?

  1. AIt breaks down clots once the bleeding has stopped
  2. BIt is converted to fibrin, which forms the mesh of a clot
  3. CIt carries oxygen from the lungs to the body tissues
  4. DIt transports iron from the gut to the bone marrow
3.Facile

A patient on warfarin asks what an INR of 2,0 means. Which explanation is best?

  1. AYou have twice the normal number of platelets
  2. BYour blood clots about twice as fast as is normal
  3. CYour blood takes about twice as long as normal to clot
  4. DYour warfarin dose is twice what it should be
4.Media

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

  1. AInternational normalized ratio
  2. BAbsolute neutrophil count
  3. CSerum lithium level
  4. DSerum amylase
5.Media

When blood is drawn from a central venous catheter, why is a small volume of blood usually discarded first, according to policy?

  1. ATo lower the patient's hemoglobin for a blood transfusion
  2. BTo check that the catheter tip is still in the right vein
  3. CTo avoid diluting the sample with flush or infusion fluid
  4. DTo remove blood clots that form in all central lines
6.Media

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

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

Il risultato di quale paziente deve riferire per primo l'infermiere?

  1. AHbA1c 7,4% (57 mmol/mol) in un paziente con diabete di tipo 2
  2. BColesterolo totale leggermente sopra il target
  3. CCreatinina 1,6 mg/dL (141 µmol/L) in un paziente con IRC nota e stabile
  4. DGlicemia 42 mg/dL (2,3 mmol/L) in un paziente sudato e confuso
8.Difficile

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. A450/µL
  2. B1,800/µL
  3. C4,500/µL
  4. D360/µL

Soluzioni

  1. 1. C · Cloruro
  2. 2. B · It is converted to fibrin, which forms the mesh of a clot
  3. 3. C · Your blood takes about twice as long as normal to clot
  4. 4. B · Absolute neutrophil count
  5. 5. C · To avoid diluting the sample with flush or infusion fluid
  6. 6. B · So a later fall from heparin-induced thrombocytopenia is detected
  7. 7. D · Glicemia 42 mg/dL (2,3 mmol/L) in un paziente sudato e confuso
  8. 8. A · 450/µL

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