Which ethical principle emphasizes the duty to “do no harm”

What is a “lumen” in the context of needles

When collecting a 24-hour urine specimen, what is the most important instruction to give the patient?

What is a critical consideration when collecting blood from an elderly patient?

If a patient complains of severe pain, numbness, or tingling during a venipuncture, the phlebotomist should:

The specific gravity of urine provides information about its

Which organ is primarily responsible for metabolizing glucose and producing bile?

When collecting a blood specimen for a Bilirubin test on a newborn, what special handling is required?

What is the maximum number of attempts an MLA should make on a patient for a venipuncture before seeking assistance?

When performing a capillary puncture, the first drop of blood should be