Why venipuncture is preferred over skin puncture

Why venipuncture is preferred over skin puncture?

When is skin puncture indicated as the preferred method for sample collection?

What are the advantages of using the ETS over the syringe method for venipuncture?

Draw the veins suitable for venipuncture. Which among these is most preferred and why?

What are the different pre-analytical variables that affect results? How do they affect the accuracy of hematologic tests?

Enumerate 5 complications that may arise during venipuncture and methods in managing them.

List the names, mechanism of action and usage of the common anticoagulants used in evacuated tubes.

Give the proper order of draw using ETS. What is its importance?If you are a medical technologist and your patient refuses to be drawn for a blood sample, what are the steps that you should do to handle this situation?