The Physician Orders Digoxin (Lanoxin)125 Micrograms

question 1

Multiple Choice

The physician orders digoxin (Lanoxin) 125 micrograms.The elixir contains 0.25 mg per mL.How many mL would you administer?

• A)0.002 mL
• B)0.5 mL
• C)0.02 mL
• D)2 mL

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Definitions:

Tears

A secretion from the lacrimal glands used to lubricate the eyes, cleanse them from irritants, and provide antibacterial protection.

Optic Nerve

A paired nerve that transmits visual information from the retina to the brain.

Blind Spot

The point in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina where the optic nerve passes through.

Macula Lutea

A small, yellowish central area of the retina that is rich in cones and mediates clear detailed vision.