Phlebotomy
The centrifuge is 3 months overdue for calibration. What action do you take?
Notify the laboratory supervisor and use another device.
What do collecting timed specimens help medical professionals with?
Monitor therapeutic medication levels.
An EDTA tube should be inverted how many times?
8 to 10 times
The correct alcohol concentration for disinfecting the skin is?
70%
Which of the following is a postanalytical consideration in phlebotomy?
A. Improper data entry
B. Insufficient quantity for testing
C. Mislabeling of specimen tubes
A. Improper data entry
Appropriate needle size when using a butterfly system?
A. 20-gauge, ⅝-inch
B. 20-gauge, ½-inch
C. 22-gauge, ½-inch
C. 22-gauge, ½-inch
What action should the MA take if laboratory results for a patient indicate an error with the sample.
A. Input the results in the patient's medical record.
B. Call the patient to inform them a mistake was made in the laboratory.
C. Forward the results and alert the ordering provider
C. Forward the results and alert the ordering provider
What does the phlebotomist/ MA do if the patient reports feeling lightheaded and restless upon blood draw?
A. Finish the procedure as quickly as possible.
B. Stop the procedure and alert the provider.
C. Ask the patient to take some deep breaths.
B. Stop the procedure and alert the provider.
How long should serum specimens be allowed to clot prior to centrifugation?
A. 30 min.
B. 2hr
C. 5 min.
A. 30 min.
Which place should a medical assistant attempt first to locate a vein?
A. Foot
B. Bend of the elbow
C. Antecubital space
C. Antecubital space
Prior to obtaining a lipid panel blood specimen. The MA should ask what?
A. "Do you smoke cigarettes?"
B. "Do you have any medical allergies?"
C. "When was the last time you had anything to eat or drink?"
C. "When was the last time you had anything to eat or drink?"
Additives in the light blue blood tube is.
A. Sodium citrate
B. Clot activator
C. Lithium heparin
A. Sodium citrate
How long should a patient leave a bandage on after a blood draw or dermal puncture?
A. 5 min
B. 15 min
C. 10 min
B. 15 min
If unsure which tube to use/ of the order of draw when obtaining a blood specimen. What should the Ma do?
A. Draw one tube of each color to ensure one of them is the appropriate tube.
B. Consult the laboratory reference manual.
C. Draw one extra red-top tube.
B. Consult the laboratory reference manual.
How should light-sensitive samples be prepared for transport?
A. They should be wrapped in foil.
B. They should be placed in gauze
C. They should be rolled in a biohazard bag.
A. They should be wrapped in foil.
Which of the following often requires chain of custody documentation?
A. Blood cultures
B. Plasma determinations
C. Drug screenings
C. Drug screenings
How should the MA handle critical laboratory values be when they are received at the office?
A. Ask the nurse to check the report.
B. Call the patient and ask them to schedule an appointment.
C. Report the critical values to the provider right away and document that the provider was notified.
C. Report the critical values to the provider right away and document that the provider was notified.
The patient appears anxious. What should the MA ask the patient to ensure the patient's safety?
A. "Why are you so anxious?"
B. "Would you like some water?"
C. "Have you ever fainted during a phlebotomy test?"
C. "Have you ever fainted during a phlebotomy test?"
What information should be included on a laboratory requisition form?
A. Provider's tax identification number
B. Diagnosis code
C. Patient's height
B. Diagnosis code
Which color tube should be drawn first?
A. Gray and red marbled
B. Lavender
C. Red
C. Red
What should an MA do when collecting a urine specimen from a patient for a pre-employment drug test.
A. Ensure the specimen is within a temperature range of 21.1° to 26.6° C (69.9° to 79.8° F).
B. Verify that the specimen contains at least 45 mL of urine.
C. Take the temperature of the specimen within 8 min of collection.
B. Verify that the specimen contains at least 45 mL of urine.
What additives are in the green tube.
Sodium or lithium heparin with or without gel
What additives are in the gray tube?
Sodium fluoride, and sodium or potassium oxalate
What additive is in the red plastic tube?
clot activator
What additive is in the red glass tube?
No additive