– Sodium citrate (3.2% or 3.8%) binds calcium, preserving coagulation factors. EDTA is for hematology; heparin for chemistry; fluoride for glucose.

Altamar's textbook divides the subject into several critical units. Below is an original breakdown of the essential topics.

La legislación internacional (como el Convenio Internacional para la Seguridad de la Vida Humana en el Mar - SOLAS y el Código Marítimo Internacional de Sustancias Peligrosas - IMDG) regula el transporte de sustancias infecciosas.

... (10 more similar questions would follow, covering safety, storage, rejection criteria, etc.)

If a control value falls outside ±2 SD, what should you do? Repeat the control; if still out of range, reject patient results, troubleshoot (reagents, calibrators, equipment), then repeat patient samples.