Which of the following needle gauges are the most common?

To fill an evacuated tube with blood from a syringe, the phlebotomist should:

The bevel of the needle:

Infection from one’s own flora is called a (n):

Circadian changes are defined as:

If the tourniquet is applied for longer than 1 minute, which of the following analytes will be elevated and will continue to increase the longer the tourniquet is applied?

Which of the following is the anticoagulant of choice for pH determinations, electrolyte studies, and arterial blood gases?

A potential source of infectious material from a patient in protective isolation includes:

The function of the erythrocyte is to:

Which term refers to a daily variation in blood levels at a particular time of day?