Phlebotomy and Laboratory Procedures Quiz

Test your knowledge on phlebotomy techniques, lab tests, and procedures with these questions. Get ready for a challenge!

Practice Learn Test

Which of the following is a proper phlebotomy technique?

Inserting the needle at a 90-degree angle

Inserting the needle at a 30-degree angle

Inserting the needle against the direction of blood flow

Inserting the needle in the opposite arm

What is the primary purpose of a tourniquet in phlebotomy?

To clean the site of venipuncture

To dilate the vein

To reduce blood flow

To identify the vein for venipuncture

What is the recommended site for capillary puncture in infants?

Heel

Finger

Earlobe

Toe

Which of the following is NOT a recommended step during the pre-analytical phase of laboratory testing?

Properly identifying the patient

Mixing the blood sample vigorously

Selecting the appropriate specimen container

Labeling the specimen correctly

What is the purpose of a centrifuge in laboratory procedures?

To measure blood pressure

To separate blood components

To sterilize equipment

To monitor heart rate

What is the purpose of a lancet in capillary puncture?

To dilate the vein

To collect blood from a vein

To make a small puncture in the skin

To apply pressure after blood collection

Which laboratory test typically requires a fasting period for accurate results?

Complete blood count (CBC)

Blood glucose test

Urinalysis

Lipid profile

What is the function of an anticoagulant in blood collection tubes?

To promote clotting

To prevent clotting

To increase blood viscosity

To separate serum from plasma

Which of the following is a symptom of phlebotomy-induced hemolysis?

Decreased potassium levels

Hematuria

Hemolysis does not produce symptoms

Increased lactate dehydrogenase (LDH) levels

#10

What is the purpose of quality control in laboratory procedures?

To ensure accurate and reliable test results

To speed up the testing process

To minimize the need for calibration

To reduce the number of tests performed

#11

Which of the following is a potential complication of prolonged tourniquet application during venipuncture?

Hematoma

Hypertension

Hemolysis

Hypotension

#12

What is the primary purpose of a clot activator in blood collection tubes?

To promote blood clotting

To prevent blood clotting

To enhance cell preservation

To facilitate serum separation

#13

Which vein is commonly used for venipuncture in adults?

Median cubital vein

Basilic vein

Radial vein

Ulnar vein

#14

Which of the following is a common complication of phlebotomy?

Hypotension

Hypertension

Hematoma

Hyperglycemia

#15

In what order should blood collection tubes be filled during a venipuncture procedure?

Yellow, green, lavender, red

Lavender, yellow, green, red

Red, green, yellow, lavender

Green, lavender, red, yellow

#16

Which laboratory test measures the concentration of hemoglobin in the blood?

Hemoglobin A1c

Complete blood count (CBC)

Blood glucose test

Prothrombin time (PT)

#17

What is the purpose of a coagulation test?

To evaluate liver function

To assess bone health

To measure blood clotting ability

To detect the presence of infectious agents

#18

What does the abbreviation CBC stand for in laboratory medicine?

Complete blood coagulation

Complete blood count

Central blood collection

Complete blood chemistry