NURS 170 Pharmacology Test 4 QUESTIONS & ANSWERS Galen College (New 2022/2023) Pharmacology test 4

Question 1 1 / 1 pts The nurse is caring for a patient who has recurrent wound infections. The patient’s current infection is not responding to an antibiotic that has been used successfully several times in the past. The nurse understands that this is most likely due to: Correct! acquired bacterial resistance. cross-resistance. inherent bacterial resistance. transferred resistance. Question 2 1 / 1 pts The nurse is preparing to administer the first dose of an antibiotic to a patient admitted for a urinary tract infection. Which action is most important prior to administering the antibiotic? Administering a small test dose to determine whether hypersensitivity exists Having epinephrine available in the event of a severe hypersensitivity reaction Monitoring baseline vital signs, including temperature and blood pressure Correct! Obtaining a specimen for culture and sensitivity Question 3 1 / 1 pts The nurse is teaching a patient who will be discharged home from the hospital to take amoxicillin (Amoxil) twice daily for 10 days. Which statement by the nurse is correct? "Discontinue the antibiotic when your temperature returns to normal and your symptoms have improved.” “If diarrhea occurs, stop taking the drug immediately and contact your provider.” Correct! "Stop taking the drug and notify your provider if you develop a rash while taking this drug.” “You may save any unused antibiotic to use if your symptoms recur.” Question 4 1 / 1 pts The nurse is preparing to administer the first dose of intravenous ceftriaxone (Rocephin) to a patient. When reviewing the patient’s chart, the nurse notes that the patient previously experienced a rash when taking amoxicillin. What is the nurse’s next action? Request an order for (naloxone) Narcan Ask the provider whether a cephalosporin from a different generation may be used. Correct! Contact the provider to report potential drug hypersensitivity. Notify the provider and suggest an oral cephalosporin. Question 5 1 / 1 pts The nurse is preparing to give a dose of a cephalosporin medication to a patient who has been receiving the antibiotic for 2 weeks. The nurse notes ulcers on the patient’s tongue and buccal mucosa. Which action will the nurse take? Hold the drug and notify the provider. Obtain an order to culture the oral lesions. Gather emergency equipment to prepare for anaphylaxis. Correct! Report a possible superinfection side effect of the cephalosporin. Question 6 1 / 1 pts The nurse is providing teaching to a patient who will begin taking a cephalosporin to treat an infection. Which statement by the patient indicates a need for furtherteaching? Correct! “I may stop taking the medication if my symptoms clear up.” “I should eat yogurt while taking this medication.” “I should stop taking the drug and call my provider if I develop a rash.” “I will not consume alcohol while taking this medication.” Question 7 1 / 1 pts A patient is receiving high doses of a cephalosporin. Which laboratory values will this patient’s nurse monitor closely? Electrolytes and minerals Correct! Blood urea nitrogen (BUN), serum creatinine, and liver function tests Serum calcium and magnesium Serum glucose and lipids Question 8 1 / 1 pts The nurse is caring for a patient who is receiving a high dose of intravenous azithromycin (Zithromax) to treat an infection. The patient is also taking acetaminophen for pain. The nurse should expect to review which lab values when monitoring for this drug’s side/adverse effects? WBC count Electrolytes Correct! Liver enzymes Urinalysis Question 9 1 / 1 pts The nurse assumes care for a patient who is currently receiving a dose of intravenous vancomycin (Vancocin) infusing at 20 mg/min. The nurse notes red blotches on the patient’s face, neck, and chest and assesses a blood pressure of 120/80 mm Hg. Which action will the nurse take? Request an order for IV epinephrine to treat anaphylactic shock. Correct! Slow the infusion to 10 mg/min and observe the patient closely. Stop the infusion and obtain an order for a BUN and serum creatinine. Suspect Stevens-Johnson syndrome and notify the provider immediately. Question 10 1 / 1 pts The nurse is counseling a patient who will begin taking a sulfonamide (Bactrim) drug to treat a urinary tract infection. What information will the nurse include in teaching? Correct! “Drink several quarts of water daily.” “If stomach upset occurs, take an antacid.” “Limit sun exposure to no more than 1 hour each day.” “Sore throat is a common, harmless side effect.” Question 11 1 / 1 pts A patient who has tuberculosis asks the nurse why four drugs are used to treat this disease. The nurse will explain that multi-drug therapy is used to reduce the likelihood of disease relapse. drug hypersensitivity reactions. Correct! drug resistance. drug adverse effects. Question 12 1 / 1 pts Which nursing intervention has the highest priority for the patient who is taking a cephalosporin? Wait until culture results are received before initiating antibiotic. Correct! Monitor the patient for signs and symptoms of a superinfection. Administer IV over 2 hours to prevent phlebitis. Instruct the patient to take the drug for 5 days only. Question 13 1 / 1 pts A patient enters the emergency department with a draining wound. Once the patient is admitted and assessed, the priority nursing intervention is to administer the ordered antibiotics. teach the patient about the ordered antibiotics. Correct! culture the wound. enforce droplet isolation precautions. Question 14 1 / 1 pts Which statement will the nurse include when teaching a patient about cephalosporin therapy? “Avoid ingesting buttermilk or yogurt when taking this medication.” “Stop taking the medication when you feel better.” “Immediately stop taking the medication if you develop nausea.” Correct! “Inform your health care provider if you develop mouth ulcers.” Question 15 1 / 1 pts A patient is admitted to the health care facility with methicillin-resistant Staphylococcus aureus (MRSA). The nurse anticipates administration of which drug? Nafcillin (Nallpen) Correct! Vancomycin (Vancocin) Aztreonam (Azactam) Piperacillin-tazobactam (Zosyn) Question 16 1 / 1 pts Which teaching by the nurse has highest priority for the patient taking azithromycin (Zithromax)? Instruct the patient to use sunblock and protective clothing during sun exposure. Instruct the patient to store the drug out of light and extreme heat. Inform parents that children younger than 8 years should not take the drug, to avoid tooth discoloration. Correct! Instruct the patient to report any loose stools or diarrhea. Question 17 1 / 1 pts A child is ordered to receive azithromycin (Zithromax) to treat otitis media. This medication is unique because Correct! it requires a 5-day course of medication. it must be taken with an antacid. it cannot be used in patients with allergies to penicillin. it is administered via the rectum. Question 18 1 / 1 pts Which statement by a patient who has received teaching on tetracycline therapy indicates that MORE teaching is indicated? “I will store the medication away from light and extreme heat.” “I will use an additional contraceptive technique because this drug may cause the oral contraceptive I take to be less effective.” Correct! “I will take this medication with an antacid.” “If my stomach becomes upset when taking this medication, I will take it with nondairy foods.” Question 19 1 / 1 pts A patient is receiving gentamicin therapy: 100 mg intravenously at 0800, 1600, and 2400. At 0730, the nurse is informed that peak and trough levels need to be drawn. When is the best time to obtain the peak level? 0700 Correct! 0900 1600 2330 Question 20 1 / 1 pts When teaching a patient about trimethoprim-sulfamethoxazole (TMP-SMZ), the nurse gives highest priority to teaching the patient to Correct! increase fluid intake. report signs of ringing in the ears or loss of hearing. expect the color of their urine to change to a reddish orange. take this drug with dairy products or antacids to protect the stomach. Question 21 1 / 1 pts A patient is ordered to receive Trimethoprim and Sulfamethoxazole (Bactrim). This medication is a combination of two medications that are antagonistic. additive. Correct! synergistic. contraindicated. Question 22 1 / 1 pts A patient is diagnosed with a Candida infection in the mouth. The nurse anticipates that the patient will be treated with metronidazole (Flagyl). amphotericin B (Fungizone). isoniazid (INH). Correct! nystatin (Mycostatin). Question 23 1 / 1 pts When you check a patient receiving doxycycline (Vibramycin) IV 15 minutes after the drug was started, the patient tells you “I can’t swallow, my chest hurts, and I feel like something bad is going to happen.” What do you do next? Notify the prescriber. Correct! Stop the drug infusion. Start forcing fluids. Call the other nurse to verify your findings. Question 24 1 / 1 pts Patients taking methenamine (Urex) for urinary tract infections are counseled to drink cranberry juice in order to: ensure a brisk urine flow. increase the alkalinity of the urine. decrease urinary a brisk urine flow. Correct! lower the pH of the urine. Question 25 1 / 1 pts A patient with a urinary tract infection is complaining of pain with urination. The nurse would anticipate the patient’s receiving norfloxacin (Noroxin). ciprofloxacin (Cipro). methenamine mandelate (Mandelamine). Correct! phenazopyridine (Pyridium). Question 26 1 / 1 pts Which antibacterial drug exerts its mechanism of action by inhibiting the synthesis of bacterial RNA and DNA? Cephalosporins Tetracyclines Correct! Fluoroquinolones Aminoglycosides Question 27 1 / 1 pts Sulfasalazine (Azulfidine) is ordered for a patient. This medication is most often used to treat fungal infections. Correct! ulcerative colitis. yeast infections. skin infections. Question 28 1 / 1 pts A patient is ordered to receive vancomycin (Vancocin) for a severe infection. It is most important for the nurse to assess the patient for the development of neurotoxicity hepatotoxicity Correct! ototoxicity cardiotoxicity Question 29 1 / 1 pts A patient asks the nurse why she gets yeast infections after a course of antibiotics. The nurse explains, “The antibiotics lower your white blood cell count.” “People are poorly nourished and hydrated after an infection.” “Yeast infections happen if the antibiotic is not taken for the full course.” Correct! “Yeast infections are common when the normal body flora are disrupted.” Question 30 1 / 1 pts Sulfasalazine (Azulfidine) is ordered for a patient. This medication is most often used to treat fungal infections. Correct! ulcerative colitis. yeast infections. skin infections. Question 31 1 / 1 pts A middle-aged adult is diagnosed with tuberculosis. Which is true of treatment for this diagnosis? Treatment may take about 10 days to 2 weeks. Correct! Usually three to four agents are needed. The bacteria is usually resistant to treatment therapy. Treatment for tuberculosis is usually without side effects. Question 32 1 / 1 pts When teaching a patient about isoniazid (INH) and rifampin drug therapy, which statement will the nurse include “Take isoniazid with meals.” “Double the amount of vitamin C in your diet to prevent the peripheral neuropathy associated with isoniazid therapy.” “Notify the primary health care provider immediately if your urine turns a red-orange color.” Correct! “Avoid exposure to direct sunlight.”