PHARMACOLOGY TEST BANK BACK OF BOOK with perfect answers 2024

A patient is scheduled for colorectal surgery tomorrow. His WBC count is normal, he has no fever, and he is otherwise in good health. However, there is an order to administer an antibiotic on call just before he goes to surgery. The nurse knows that the rationale for this antibiotic order is which of these? a) To provide empiric therapy b) To provide prophylactic therapy c) To treat for a superinfection d) To reduce the number of resistant organisms correct answersb) To provide prophylactic therapy A teenage patient is taking a tetracycline drug as part of treatment for severe acne. When the nurse teaches this patient about drug-related precautions, which is the most important information to convey? a) When the acne clears up, the medication may be discontinued. b) This medication needs to be taken with antacids to reduce GI upset. c) The patient needs to use sunscreen or avoid exposure to sunlight, because this drug may cause photosensitivity. d) The teeth should be observed closely for signs of mottling or other color changes. correct answersc) The patient needs to use sunscreen or avoid exposure to sunlight, because this drug may cause photosensitivity. A newly admitted patient reports a penicillin allergy. The prescriber has ordered a second-generation cephalosporin as part of the therapy. Which nursing action is appropriate? a) Call the prescriber to clarify the order because of the patient's allergy. b) Give the medication, and monitor for adverse effects. c) Ask the pharmacy to change the order to a first-generation cephalosporin