Phlebotomy Test American Medical Certification Association 2

Question 1

Which additive in a lavender-top tube prevents coagulation by binding calcium?

Accepted Answer

EDTA

Answer

Sodium citrate

Answer

Heparin

Answer

Sodium fluoride

Question 2

A patient's arm shows a hematoma forming during venipuncture. What is the FIRST action to take?

Accepted Answer

Remove the needle and apply firm pressure

Answer

Apply a warm compress immediately

Answer

Redirect the needle to another vein

Answer

Inform the nurse before stopping

Question 3

What is the maximum recommended angle for needle insertion during routine venipuncture?

Accepted Answer

30 degrees

Answer

15 degrees

Answer

45 degrees

Answer

60 degrees

Question 4

Which of the following is the correct order of draw when using a syringe transfer?

Accepted Answer

Blood culture, EDTA, coagulation, SST

Answer

EDTA, blood culture, SST, coagulation

Answer

Blood culture, coagulation, SST, EDTA

Answer

SST, EDTA, blood culture, coagulation

Question 5

The AMCA phlebotomy exam requires candidates to demonstrate competency in which primary area?

Accepted Answer

Specimen collection, processing, and patient safety

Answer

Surgical assisting and sterile technique

Answer

Pharmacology and medication administration

Answer

Medical coding and insurance billing

Question 6

A gray-top tube contains sodium fluoride. What is its primary purpose?

Accepted Answer

Inhibits glycolysis to preserve glucose levels

Answer

Promotes clotting for serum separation

Answer

Prevents platelet aggregation for coagulation studies

Answer

Maintains red cell morphology for differentials

Question 7

Which action BEST prevents preanalytical error related to specimen integrity?

Accepted Answer

Inverting additive tubes the recommended number of times immediately after collection

Answer

Collecting all tubes before labeling them

Answer

Allowing SST tubes to sit upright for only 5 minutes before centrifugation

Answer

Using one tourniquet for multiple patients to save supplies