AMCA Phlebotomy and Blood Collection 3

Question 1

A patient becomes pale, diaphoretic, and lightheaded during venipuncture. This is MOST likely caused by:

Accepted Answer

Vasovagal syncope

Answer

Vasovagal syncope is a common autonomic response to the stress or pain of venipuncture, causing a sudden drop in heart rate and blood pressure.

Question 2

If a vein is difficult to locate for venipuncture, which technique can help dilate superficial veins?

Accepted Answer

Applying a warm compress to the site

Answer

A warm compress promotes vasodilation, increasing blood flow to superficial veins and making them easier to visualize and access.

Question 3

Which of the following is the CORRECT way to mix blood in a collection tube after filling?

Accepted Answer

Gently invert the tube 8–10 times

Answer

Gentle inversion 8–10 times ensures thorough mixing with tube additives while preventing hemolysis from rough handling.

Question 4

Which organization publishes the H3-A6 guideline that establishes standards for venipuncture procedures?

Accepted Answer

Clinical and Laboratory Standards Institute (CLSI)

Answer

The CLSI publishes the H3-A6 document, which is the industry-recognized standard for venipuncture technique and procedure.

Question 5

Which of the following is NOT an acceptable patient identification step before blood collection?

Accepted Answer

Checking the patient's insurance card for identity

Answer

Insurance card verification is an administrative billing step and is not used as a patient safety identifier for specimen collection.

(AMCA) American Medical Certification Association Practice Test