A Nurse Is Having Difficulty Performing Venipuncture to Obtain a Blood

question 109

Multiple Choice

A nurse is having difficulty performing venipuncture to obtain a blood specimen for serum electrolytes.When the laboratory results return, they show that the patient's potassium level is elevated.Which factors during the venipuncture procedure may have resulted in a false high for potassium? Select all that apply.

• A)Cleansing the site with alcohol
• B)Inverting the specimen tube gently
• C)Prolonging the time the tourniquet is applied
• D)Using the veins of the foot for venipuncture
• E)Pumping the patient's hand vigorously

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Definitions:

Pyramids

Ancient monumental structures with a square or triangular base and sloping sides that converge at a point at the top, often used as tombs.

Germ Layer

One of the primary layers of cells (endoderm, mesoderm, ectoderm) in the early embryo that gives rise to all tissues and organs.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the outer layer of skin, central and peripheral nervous systems, eyes, inner ear, and many connective tissues.

Endoderm

In early embryonic development, the most internal cell or tissue layer that evolves into the lining of the digestive and respiratory systems.