A Patient Has Had Recent Mechanical Heart Valve Surgery and Is

question 2

Multiple Choice

A patient has had recent mechanical heart valve surgery and is receiving anticoagulant therapy. While monitoring the patient's laboratory work, the nurse interprets that the patient's international normalized ratio (INR) level of 3 indicates: which of these?

• A) The patient is not receiving enough warfarin to have a therapeutic effect.
• B) The patient's warfarin dose is at therapeutic levels.
• C) The patient's intravenous heparin dose is dangerously high.
• D) The patient's intravenous heparin dose is at therapeutic levels.

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Definitions:

Gestational Diabetes

Form of diabetes found in pregnant women.

Obstetrics

A branch of medicine concerned with childbirth and the care of women giving birth.

Intraepithelial Lesion

A growth or abnormal formation of cells within the epithelial layer of a tissue, potentially precancerous.

Precancerous Changes

Cellular alterations that are not yet cancerous but have the potential to become malignant if not treated or monitored.