An 80-Year-Old Patient Who Has Persistent AF Takes Warfarin (Coumadin)for

question 1

Multiple Choice

An 80-year-old patient who has persistent AF takes warfarin (Coumadin) for anticoagulation therapy.The patient has an INR of 3.5.The primary care NP should consider:

• A) lowering the dose of warfarin.
• B) rechecking the INR in 1 week.
• C) omitting a dose and resuming at a lower dose.
• D) omitting a dose and administering 1 mg of vitamin K.

---

Definitions:

Vitamin C

An essential nutrient known for its antioxidant properties and role in supporting immune function, skin health, and collagen production.

Alcohol Consumption

The intake of beverages containing ethanol, which can have various effects on health and behavior depending on the amount and frequency of consumption.

Signs of Malnutrition

Physical indicators that suggest a lack of proper nutrition, such as weight loss, fatigue, and muscle weakness.

Brittle Nails

A condition where nails are fragile, easily broken or split, which can indicate nutritional deficiencies or underlying health conditions.