Phlebotomy Review

Following capillary blood collection, a bandage should be applied to the heel or finger of patients who are

• 2 years and older

• 1 year or older

• 6 months or older

• 3 months or older

Answer explanation

Under 2 the bandage may pose a choking risk

The most common reason for rejecting a specimen for chemistry is

• Under filled tube

• Over filled tube

• Clotting

• Hemolysis

Answer explanation

The most common for hematology is clotting

One of the reasons that serum is more often used for testing plasma is that serum contains

• More antigens

• Fewer antigens

• More anticoagulants

• Fewer gases

The primary function of leukocytes is to

• Oxygenate cells

• Carry solutes

• Promote coagulation

• Neutralize or destroy pathogens

If a patient complains of nausea after a blood draw, the most appropriate response is to

• Reassure the patient that the vein puncture is completed

• Give the patient an emesis basin and encourage deep breathing

• Give the patient water

• Put the patient into the supine position

If a patient is heavily tattooed on both arms, from shoulders to wrists, with no area left open, the most appropriate site for vein puncture is

• Any site

• Antecubital area with the oldest tattoos

• Dorsal metacarpal veins

• Area without solid dye

All lab samples should be handled according to

• Airborne precautions

• Contact precautions

• Universal precautions

• Standard precautions

When a fasting urine test is ordered for glucose testing, this requires that which one of the following be collected

• Any urine specimen after a specified period of fasting

• The first urine specimen voided after specified period of fasting

• The second urine voided after specified period of fasting

• The third urine voided after specified period of fasting.

Answer explanation

First specimen will be affected by food eaten before fasting period

When selecting an antecubital vein, priority should be given to veins in the

• Lateral aspect

• Medial aspect

• Median aspect

• Lateral or medial aspect

Answer explanation

Median=middle

Next lateral aspect (cephalic vein)

Last: medial (inner)aspect: basilic

Which of the following panels of tests may provide the best information about a patient with suspected liver dysfunction

• BMP

• CMP

• Lipid profile

• Electrolyte panels