Exam 9: Preanalytical Complications Causing Medical Errors in Blood Collection

When blood is to be collected for a glucose tolerance test, the patient should fast for:

Blood collected for a patient's lithium level cannot be collected in a green-topped tube containing ________ heparin.

Tylenol taken by a patient can cause the patient to have abnormal laboratory liver panel results.

An abnormal accumulation of fluid in the intercellular spaces of the body that is localized or diffused is referred to as:

Diurnal rhythm has a major effect on which of the following blood analytes?

Hemolyzed plasma that is used to measure the RBC count will cause the RBC count to be incorrectly ________.

If a patient begins to have a seizure during venipuncture, the phlebotomist should immediately:

Antibody screens and crossmatching of blood run on blood from serum separator tubes will lead to false- ________ test results.

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

If the tourniquet is applied to the arm for longer than 2 minutes, which of the following analytes will most likely become falsely elevated?

Hemoconcentration is a ________ in the plasma volume with an increased concentration of cells and larger molecules.

Basal state is approximately 16 hours after the last ingestion of food.

An abnormal accumulation of fluid in the intercellular space is hemolysis.

A thrombus can occlude arteries, but not veins.

Which of the following occurs as the result of inflammation and disease of the interstitial compartments?

Which of the following has been shown to erroneously affect laboratory test results, leading to falsely elevated WBC counts?

The EDTA blood collection tube must not be underfilled, since it has been shown to lead to:

When the phlebotomist collected blood from the patient, the patient was in a supine position, meaning the patient was:

Upon entering Ms. Newhouse's hospital room, the phlebotomist introduced herself and explained she was going to collect blood for laboratory tests requested by the physician. The patient became very anxious and said she was frightened of needles; then she started sweating from being frightened of the procedure. This patient's emotional stress could lead to a decrease in which of the following?

Venipuncture should never be performed on the ________ side as that of a mastectomy.