Chapter 34: Phlebotomy and Blood Specimens - Nurselytic

Correct Answer: C

Rationale: Slapping the skin is inappropriate as it may cause discomfort or bruising and is not a standard technique for vein distension.

Correct Answer: C,D

Rationale: Labels should be applied before filling tubes to ensure accuracy, and applying a tourniquet over clothing protects fragile skin. The tourniquet should not be left on for more than 1 minute, and it is typically applied 3-4 inches above the site.

Correct Answer: A,B,C,G

Rationale: Labels must include the patient's name, hospital ID (for inpatients), date of birth (for outpatients), date and time of collection, and the phlebotomist's initials to ensure proper identification and traceability.

Correct Answer: B,C

Rationale: Leaving the tourniquet on too long or using a small-gauge needle (e.g., 25-gauge) with an evacuated tube can cause hemolysis due to excessive pressure or shear stress on red blood cells.

Correct Answer: A,B,C

Rationale: Hand washing before and after the procedure and wearing gloves during it are standard precautions to protect against bloodborne pathogens. The needle safety device should be activated immediately after use, not after removing gloves.