A nurse is preparing to administer a daily dose of warfarin to a client. Which of the following laboratory values should the nurse check prior to administration?

A. Lie down with feet elevated if dizziness occurs while taking this medication.: Dizziness may occur due to hypotension caused by nitroglycerin. Elevating the feet can improve blood flow to the brain and alleviate symptoms.
B. Apply the patch daily to a hairless area of the skin.: The patch should be applied to a clean, dry, and hairless area to ensure proper adhesion and absorption of the medication.
C. The medication will be effective 30 to 45 min following application.: Nitroglycerin patches are used for long-term prevention of angina, not immediate relief, which is provided by sublingual or spray formulations. The patch takes several hours to reach full effect.
D. Remove the patch 12 to 14 hr following application.: Removing the patch for 12 to 14 hours each day prevents tolerance to the medication. This is typically referred to as a "nitrate-free" interval.
E. Remove the patch if you experience a headache.: Headaches are a common side effect of nitroglycerin due to vasodilation. Clients should not remove the patch but may use analgesics like acetaminophen to manage the headache.
F. Place the patch on the same area every day.: The patch site should be rotated daily to prevent skin irritation.

A. "Contact the provider if you experience unexplained muscle pain.": Muscle pain is not a typical adverse effect of exenatide; this advice would apply to statins or drugs associated with rhabdomyolysis.
B. "Take the medication at bedtime.": Exenatide is usually taken twice daily, 1 hour before morning and evening meals, not at bedtime.
C. "Discard excess medication after 60 days.": Exenatide pens should typically be discarded 30 days after opening, not 60 days.
D. "Inject the medication into the subcutaneous tissue of your abdomen.": Correct. Exenatide is administered subcutaneously, typically in the abdomen, thigh, or upper arm.