NHA Medical Assisting Phlebotomy Quiz

What is the first step in the venipuncture procedure?

• Apply the tourniquet.

• Identify and confirm the patient's identity.

• Select the appropriate vein.

• Assemble equipment.

Which finger is most commonly used for a capillary puncture?

• Thumb

• Index finger

• Middle finger

• Ring finger

What is the purpose of the lavender-topped tube in blood collection?

• Coagulation studies

• Blood cultures

• Hematology testing, such as CBC

• Chemistry tests

What is the most critical aspect of patient identification and labeling?

• Patient's age

• Patient's full name and date of birth

• Patient's room number

• Time of collection

Which of the following is NOT a step in proper specimen handling and processing?

• Centrifuging according to the specimen requirements

• Exposing blood samples to direct sunlight

• Labeling the specimen with patient information

• Storing specimens at the correct temperature

What is the primary goal of infection control measures during phlebotomy?

• To protect the patient from the phlebotomist

• To protect the phlebotomist from the patient

• To prevent cross-contamination between patients

• All of the above

During venipuncture, how long should the tourniquet remain on the patient's arm?

• Less than 1 minute

• 1-2 minutes

• 2-3 minutes

• As long as necessary for vein dilation

What is the correct order of draw for blood collection tubes?

• Red, lavender, green, blue

• Blue, red, green, lavender

• Blue, green, lavender, red

• Green, lavender, red, blue

Why is it important to mix the blood with the additive in the collection tube immediately after drawing?

• To prevent clotting

• To ensure accurate test results

• To prevent hemolysis

• All of the above

Which of the following is NOT a recommended practice for infection control in phlebotomy?

• Wearing gloves during the procedure

• Disinfecting the venipuncture site with alcohol

• Reusing tourniquets between patients

• Proper disposal of sharps