Phlebotomy Mastery Test

What is the primary purpose of venipuncture?

• To measure blood pressure.

• To perform surgical procedures.

• To administer vaccinations.

• To collect blood samples for testing.

Describe the proper angle for needle insertion during venipuncture.

• 15 to 30 degrees

• 0 to 5 degrees

• 45 to 60 degrees

• 90 degrees

What type of needle is commonly used for blood collection in adults?

• 25-gauge needle

• 30-gauge needle

• 21-gauge needle

• 18-gauge needle

List three essential items included in a blood collection kit.

• Syringe

• Scalpel

• Gauze

• 1. Blood collection tubes 2. Needles 3. Tourniquet

What is the role of a tourniquet in venipuncture?

• The role of a tourniquet in venipuncture is to engorge the veins for easier access.

• To stabilize the arm and prevent movement during venipuncture.

• To reduce the risk of infection at the puncture site.

• To prevent blood flow completely during the procedure.

Identify a common complication that can occur during phlebotomy.

• Hematoma formation

• Infection at the site

• Nerve damage during insertion

• Excessive bleeding

What should a phlebotomist do if a patient experiences syncope during blood draw?

• Call for a doctor before stopping the procedure.

• Stop the procedure, position the patient safely, and monitor them.

• Continue the blood draw without interruption.

• Administer a sedative to the patient.

Explain the importance of labeling blood samples immediately after collection.

• Labeling blood samples immediately after collection prevents misidentification and ensures accurate test results.

• Immediate labeling is not required if samples are stored properly.

• Labeling blood samples is only necessary for research purposes.

• Blood samples should be labeled only after testing is complete.

What is the difference between a vacutainer and a syringe for blood collection?

• A vacutainer uses vacuum for blood collection, while a syringe requires manual suction.

• Both vacutainers and syringes use vacuum for blood collection.

• A vacutainer is a type of syringe that requires no manual effort.

• A vacutainer is used for urine collection, while a syringe is for blood.

Name two factors that can affect the quality of a blood sample.

• Time of day when collected

• Improper collection techniques, contamination during handling

• Temperature of the sample

• Age of the patient