An older client is taking warfarin sodium (coumadin po 2.5 mg twice a day. which laboratory value should the nurse identify as a therapeutic response of the medication? aptt of 3 times normal. pt of 4 seconds. ptt of 20 seconds. inr of 2 to 3.

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.