A nurse is preparing to administer oral ofloxacin (Floxin) to a patient. While taking the patient's medication history, the nurse learns that the patient takes warfarin and theophylline. The correct action by the nurse is to request an order to:
a. reduce the dose of ofloxacin.
b. increase the dose of ofloxacin.
c. increase the dose of theophylline.
d. monitor coagulation levels.
ANS: D
Ofloxacin increases plasma levels of warfarin, so coagulation tests should be monitored. The ofloxacin dose should not be reduced or increased. Ofloxacin does not affect theophylline levels.
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Which statement about food and drug interactions is true?
a. Foods alter drug absorption and metabol-ism but not drug action. b. Medications are best absorbed on an empty stomach. c. Patient discomfort is the food and drug interaction of most concern. d. Some foods can inhibit CYP isoenzymes and alter drug metabolism.
A patient who is hemodynamically stable has been receiving protein replacement therapy for several days. The nurse realizes that which laboratory test would be the best to determine the patient's current nutritional status?
1. Total lymphocyte count 2. Albumin 3. Transferrin 4. Vitamin assay
After analyzing the results of a complete blood cell count, the pediatric nurse determines that a patient has increased red blood cells. The nurse documents in the patient chart a condition known as:
A) leukopenia. B) polycythemia. C) thrombocytosis. D) thrombocytopenia.
The nurse and an assistant are moving a dependent patient from the supine to the lateral position. Which should the nurse implement to begin repositioning?
a. Support the upper arm and leg with pil-lows. b. Move the patient away from the center toward a side of the bed. c. Elevate the patient's head with two or three pillows. d. Wedge a pillow under the abdomen and chest.