Medical Laboratory Quiz

In the context of phlebotomy, an example of a postanalytical error could be the recording of one patient's blood test result on another patient's chart.

• True

• False

An example of an analytical factor that can affect the actual phlebotomy procedure is an interfering substance in the patient’s blood sample.

• True

• False

In a phlebotomy clinic, a procedure in which the entire blood collection process is monitored to ensure quality is:

• quality control

• quality assessment

• quality inventory

• none of the above

In a phlebotomy setting, the implementation of the CLIA ’88 directive for quality evaluation led to which of the following outcomes?

• ensured performance excellence in blood collection

• ensured the highest quality patient care during blood draw

• ensured reliable results of laboratory tests on collected samples

• all of the above

A phlebotomist is having a difficult time collecting blood from a patient. Is it acceptable for the vacuum tubes containing anticoagulant to be incompletely filled in this scenario?

• True

• False

A phlebotomist is about to perform a venipuncture on a patient. Should they wear gloves and face protection during the procedure?

• True

• False

In a real-life scenario of phlebotomy, after blood is drawn from a patient, should the needle be removed from the vein before the tourniquet is released?

• True

• False

A phlebotomist is about to perform a blood draw. Which of the following statements should they keep in mind?

• Standard Precautions must be observed.

• The procedure includes preparation of the patient.

• Selecting and preparing the puncture site is part of the procedure.

• all of the above

A phlebotomist is about to perform a blood draw. Which of the following statements are true about this procedure?

• Phlebotomy is the most common method of obtaining blood for laboratory analysis.

• Only a small amount of blood is obtained during phlebotomy.

• Phlebotomy is not very safe.

• A superficial artery is punctured with a needle during phlebotomy.

In phlebotomy, a lavender stoppered vacuum tube is used. What does it contain?

• heparin

• EDTA

• no anticoagulant

• sodium citrate

• none of the above