CHAPTER 26 ANTIBACTERIALS MCCUISTION: PHARMACOLOGY A PATIENT-CENTERED NURSING PROCESS APPROACH 9TH EDITION ALREADY GRADED A+ LATEST 2024

The nurse is caring for a patient who is receiving an intravenous antibiotic. The nurse notes that the provider has ordered serum drug peak and trough levels. The nurse understands that these tests are necessary for which type of drugs? a. Drugs with a broad spectrum b. Drugs with a narrow spectrum c. Drugs with a broad therapeutic index d. Drugs with a narrow therapeutic index ANS: D Medications with a narrow therapeutic index have a limited range between the therapeuticdose and a toxic dose. It is important to monitor these medications closely by evaluating regular serum peak and trough levels. DIF: Cognitive Level: Understanding (Comprehension) REF: p. 343TOP: Nursing Process: Evaluation MSC: NCLEX: Physiological Integrity: Pharmacological and Parenteral Therapies 2. The nurse is caring for a patient who is receiving an intravenous antibiotic. The patient has aserum drug trough of 1.5 mcg/mL. The normal trough for this drug is 1.7 to 2.2 mcg/mL. What will the nurse expect the patient to experience? a. Inadequate drug effects b. Increased risk for superinfection c. Minimal adverse effects d. Slowed onset of action ANS: A Low peak levels may indicate that the medication is below the therapeutic level. They do not indicate altered risk for superinfection, a decrease in adverse effects, or a slowed onsetof action. DIF: Cognitive Level: Understanding (Comprehension) REF: p. 343TOP