When reviewing the allergy history of a patient, the nurse notes that the patient is allergic to penicillin. Based on this finding, the nurse would question an order for which class of antibiotics? a.Tetracyclines b.Sulfonamides c.Cephalosporins d.Quinolones Ans.C .The nurse is providing teaching to a patient taking an oral tetracycline antibiotic. Which statement by the nurse is correct? a."Avoid direct sunlight and tanning beds while on this medication." b."Milk and cheese products result in increased levels of tetracycline." c."Antacids taken with the medication help to reduce gastrointestinal distress." d."Take the medication until you are feeling better. Ans.A When reviewing the medication orders for a patient who is taking penicillin, the nurse notes that the patient is also taking the oral anticoagulant warfarin (Coumadin). What possible effect may occur as the result of an interaction between these drugs? a. The penicillin will cause an enhanced anticoagulant effect of the warfarin. b. The penicillin will cause the anticoagulant effect of the warfarin to decrease. c. The warfarin will reduce the antiinfective action of the penicillin. d. The warfarin will increase the effectiveness of the penicillin. Ans.A A patient is receiving his third intravenous dose of a penicillin drug. He calls the nurse to report that he is feeling "anxious" and is having trouble breathing. What will the nurse do first? a.Notify the prescriber. b.Take the patient's vital signs c.Stop the antibiotic infusion. d.Check for allergies Ans. C