1. A 30-year-old pregnant woman has a bacterial eye infection. How does pregnancy affect
her treatment with ciprofloxacin?
A) Ciprofloxacin is safe to use at the same dose.
B) Ciprofloxacin is not recommended during pregnancy.
C) Topical ciprofloxacin is safe, but oral use may be harmful.
D) The patient requires a lower dose for a longer duration.
✔✔ Answer: C) Topical ciprofloxacin is safe, but oral use may be harmful.
2. In treating a 66-year-old woman with pyelonephritis using gentamicin, what is the main
therapeutic action of this drug?
A) Changes in bacterial cell wall structure
B) Interruption of bacterial DNA replication
C) Disruption of protein synthesis
D) Enhancement of the immune system
✔✔ Answer: B) Interruption of bacterial DNA replication
3. A patient on cephalosporin and aminoglycoside combination therapy needs monitoring.
What is the nurse's priority?
A) Coagulation profile
B) Blood urea nitrogen (BUN) and creatinine
C) Signs of a disulfiram reaction
D) Complete blood count (CBC)
✔✔ Answer: B) Blood urea nitrogen (BUN) and creatinine
4. For a patient with renal impairment prescribed cephalosporin for a UTI, the most critical
nursing intervention is:
A) Monitoring fluid intake
B) Checking blood creatinine
C) Screening for occult blood
D) Testing for hyperglycemia
✔✔ Answer: B) Checking blood creatinine
5. Which of the following is not a result of inappropriate antibiotic use?
, ESTUDY
A) Increase in healthcare costs
B) Development of drug resistance
C) Reduction in effective drugs for severe infections
D) Increase in adverse side effects
✔✔ Answer: C) Reduction in effective drugs for severe infections
6. A patient receiving Penicillin G IM asks why it cannot be taken orally. The correct response
is:
A) Penicillin G is destroyed by stomach acid.
B) Penicillin G needs much higher oral doses.
C) Penicillin G is ineffective for oral infections.
D) Penicillin G has no oral formulation available.
✔✔ Answer: A) Penicillin G is destroyed by stomach acid.
7. When discussing the action of natural penicillins, which effect is accurate?
A) Fungicidal
B) Fungistatic
C) Bacteriostatic
D) Bactericidal
✔✔ Answer: D) Bactericidal
8. What is the mechanism of action of fluoroquinolones in bacterial infections?
A) Disrupting bacterial cell wall integrity
B) Blocking protein synthesis
C) Inhibiting DNA synthesis
D) Preventing RNA replication
✔✔ Answer: C) Inhibiting DNA synthesis
9. What is the reason for prescribing narrow-spectrum antibiotics when possible?
A) They have fewer side effects.
B) They are less likely to cause superinfections.
C) They act faster than broad-spectrum antibiotics.
D) They require less frequent dosing.
✔✔ Answer: B) They are less likely to cause superinfections.
10. Aminoglycosides are increasingly used due to their low risk of toxicity.
A) True
B) False
✔✔ Answer: B) False
11. A patient who has been prescribed ciprofloxacin for a UTI is advised to avoid certain
foods. Which food should the patient avoid?
A) Dairy products like milk or yogurt
B) High-fiber foods
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