Certified Phlebotomy Technician Exam Basic 2

Question 1

Which gauge needle is most commonly used for routine venipuncture in adults?

Accepted Answer

21 gauge

Answer

18 gauge

Answer

23 gauge

Answer

25 gauge

Question 2

What does the term 'hemoconcentration' refer to in phlebotomy?

Accepted Answer

Increased concentration of blood cells due to prolonged tourniquet use

Answer

Dilution of blood due to excessive fluid intake

Answer

Clotting of blood within the collection tube

Answer

Hemolysis caused by improper needle insertion

Question 3

Which tube additive is found in a red-top (no additive) tube?

Accepted Answer

None — it contains no additive

Answer

EDTA

Answer

Sodium citrate

Answer

Heparin

Question 4

A patient's arm shows petechiae after tourniquet application. What does this finding suggest?

Accepted Answer

Possible platelet or coagulation disorder

Answer

Normal skin response to pressure

Answer

Allergic reaction to latex gloves

Answer

Venous thrombosis at the draw site

Question 5

What is the correct action if a phlebotomist accidentally needlesticks themselves during a draw?

Accepted Answer

Immediately wash the site, report to supervisor, and follow exposure protocol

Answer

Apply a bandage and continue the procedure

Answer

Squeeze the wound to remove any contaminated blood

Answer

Apply antiseptic and monitor for symptoms over 24 hours

Question 6

Which anticoagulant is present in a light-blue top tube and what test is it primarily used for?

Accepted Answer

Sodium citrate — coagulation studies

Answer

EDTA — complete blood count

Answer

Lithium heparin — chemistry panels

Answer

Potassium oxalate — glucose testing

Question 7

When performing a capillary puncture on an infant's heel, which area should be avoided?

Accepted Answer

The medial and posterior curvature of the heel

Answer

The outer lateral plantar surface

Answer

The great toe pad

Answer

The inner lateral plantar surface