Wk. 11 - Antimicrobial Therapy Practice Questions

A bacteriostatic drug works primarily by which mechanism?

B. Slowing bacterial growth to allow immune response

Which antibiotic class is most strongly associated with the risk of Achilles tendon rupture, especially in children?

C. Fluoroquinolones

The nurse is teaching a patient about tetracycline therapy. Which instructions should be included? (Select All That Apply) A. Avoid sunlight or use sunscreen B. Do not take with milk or antacids C. May cause tooth discoloration in adults only D. Report vaginal itching or oral white patches E. Safe to take during pregnancy

A,B,D

True or False: Broad-spectrum antibiotics are more likely than narrow-spectrum antibiotics to cause a superinfection.

True

A patient prescribed gentamicin is most at risk for which adverse effects?

A. Ototoxicity and nephrotoxicity

The nurse should draw a trough level for gentamicin:

C. Just before the next dose

Which conditions increase risk of nephrotoxicity when giving aminoglycosides? (Select All That Apply) A. Pre-existing renal impairment B. Dehydration C. Use with NSAIDs D. High-dose therapy E. Low potassium levels

A,B,C,D

True or False: A patient with a history of anaphylaxis to penicillin should be monitored closely but may safely receive cephalosporins.

False

Empiric antibiotic therapy is best described as:

C. Therapy started before identification of the pathogen

The nurse knows that sulfonamides may cause which potentially life-threatening reaction?

B. Stevens–Johnson syndrome

Teaching for a patient taking ciprofloxacin should include: (Select All That Apply) A. Take 1 hour before or 2 hours after dairy products B. Report any tendon pain or swelling C. Avoid strenuous exercise D. Expect harmless orange discoloration of body fluids E. Monitor for increased effects of warfarin

A,B,C,E

A nurse is caring for a pregnant patient with a UTI. Which antibiotic should be avoided during pregnancy?

C. Tetracycline

Which findings indicate blood dyscrasias related to sulfonamide therapy? (Select All That Apply) A. Pallor B. Sore throat C. Bruising D. Photosensitivity E. Yellowing of teeth

A,B,C

True or False: Aminoglycoside ototoxicity is often irreversible.

True

A key characteristic of narrow-spectrum antibiotics is that they:

B. Target only a few specific bacteria

A patient receiving IV vancomycin complains of ringing in the ears. What is the nurse’s priority action?

B. Stop the infusion and notify the provider

Which nursing actions help prevent antimicrobial resistance? (Select All That Apply) A. Obtaining cultures before starting antibiotics B. Encouraging patients to stop therapy when they feel better C. Reviewing C&S results to promote de-escalation D. Teaching not to share leftover antibiotics E. Supporting hand hygiene and infection prevention

A,C,D,E

Which statement best describes definitive therapy?

A. Therapy given after the C&S identifies the pathogen

True or False: Tetracyclines should not be given to children under 8 because they can permanently discolor developing teeth.

True

Which assessment would be most concerning in a patient receiving sulfonamides?

C. Red, blistering rash