ATI RN
ATI Pharmacology Quiz Questions
Extract:
Question 1 of 5
A client exposed to anthrax has presented to the healthcare setting. Which of the following medications below is the treatment for this biological exposure?
Correct Answer: B
Rationale: Ciprofloxacin is a first-line treatment for anthrax due to its efficacy against Bacillus anthracis, unlike nystatin (antifungal), metronidazole (anaerobes/protozoa), or amoxicillin (less effective for anthrax).
Question 2 of 5
A client diagnosed with a urinary tract infection (UTI) is prescribed sulfamethoxazole/trimethoprim (Bactrim). Which of the following conditions below would be a contraindication for this medication?
Correct Answer: B
Rationale: Bactrim is contraindicated in severe CKD due to risk of toxicity from reduced renal clearance, unlike MS, megaloblastic anemia (manageable), or H. pylori.
Question 3 of 5
The nurse is caring for a client who has been diagnosed with frequent infections with Strep throat. Which of the following principles contributes to further bacterial resistance to antibiotics? (Select All that Apply.)
Correct Answer: B,D,E,F
Rationale: Premature discontinuation, skipping doses, treating viral infections, and frequent antibiotic use promote resistance by allowing bacterial survival and adaptation, unlike sunlight or handwashing.
Question 4 of 5
The charge nurse is performing an Inservice regarding the adverse effects of antibiotic therapy. Which of the following antibiotics should the nurse include regarding the potential to cause QT prolongation? (Select All that Apply.)
Correct Answer: A,B
Rationale: Fluoroquinolones and macrolides can prolong the QT interval, risking arrhythmias, unlike cephalosporins, penicillins, tetracyclines, or beta-lactams.
Question 5 of 5
A nurse is caring for the patient post colonoscopy. The nurse reviews the medication administration record and notes a one time dose of cefazolin was given prior to the procedure. The healthcare provider then places a new order for ampicillin/sulbactam. The nurse understands that the antibiotic given prior to surgery is considered CurativeTherapeuticProphylacticDiagnosticAdjunctiveMaintenance therapy. Meanwhile the new antibiotic is used as TherapeuticProphylacticDiagnosticAdjunctiveEmpiricMaintenance therapy.
Correct Answer: C,G
Rationale: Cefazolin was prophylactic to prevent surgical infection; ampicillin/sulbactam is empiric, targeting likely pathogens pending culture results.