Exam 9: Preanalytical Complications Causing Medical Errors in Blood Collection

Syncope is another term for ________.

Which of the following analytes is significantly increased in the blood with changes in position?

Which of the following should stop the health care worker from collecting blood from a patient's arm vein?

Blood aldosterone levels are not affected by posture changes immediately before blood collection, but blood glucose levels are greatly affected by posture changes.

Which of the following laboratory test results is affected most if the patient is not fasting?

If a patient indicates that he or she has a tendency to faint during blood collection, what should the phlebotomist do when preparing for the blood collection?

When RBCs are lysed, hemoglobin is released and this results in ________.

Hemolysis may be the result of physiological abnormalities such as ________ disease.

A transient increase in serum iron levels can occur due to emotional stress.

Veins ________ when blood is withdrawn too quickly or forcefully during venipuncture.

A basal state exists:

Which of the following clinical laboratory departments usually use serum separator tubes for many of their blood collections?

Swelling in the area around a venipuncture site usually leads to:

Which of the following is another term for fainting?

A solid mass derived from blood constituents that occludes a blood vessel is a:

Hemolysis in collected blood can cause a falsely decreased value for:

When a patient is on IV therapy and the venipuncture must occur in the arm with the IV line, the:

What should a phlebotomist do to avoid the risk of backflow of an anticoagulant from a blood vacuum tube into the patient's circulation during blood collection by venipuncture?

A healthy body mass index for adults is 20-25 kg/m².

What additive destroys the enzymes in the blood when the gray-topped tube is used to collect blood?