Violation
The position of a needle in the lumen of a vein is confirmed by
the color of the blood upon aspiration.
rapidity of filling of the syringe upon aspiration.
pain associated with vessel puncture.
None of the above.
The position of a needle in the lumen of a vein is confirmed by
the color of the blood upon aspiration.
rapidity of filling of the syringe upon aspiration.
pain associated with vessel puncture.
None of the above.