A nurse instructs the patient that if ciprofloxacin (Cipro) is taken with antacids, absorption is
Not affected
delayed
increased
decreased
The Correct Answer is D
A. Not affected:
This choice suggests that taking ciprofloxacin with antacids does not alter its absorption. However, this is not correct. When ciprofloxacin is taken with antacids containing certain ions (such as aluminum, magnesium, or calcium), the absorption of ciprofloxacin can indeed be affected due to the formation of insoluble complexes, leading to decreased absorption.
B. Delayed:
This choice implies that taking ciprofloxacin with antacids delays its absorption. While it's true that the interaction between ciprofloxacin and certain antacids can alter absorption, the main effect is not typically a delay in absorption but rather a decrease due to the formation of insoluble complexes. Therefore, while "delayed" may somewhat describe the effect, it doesn't fully capture the nature of the interaction.
C. Increased:
This choice suggests that taking ciprofloxacin with antacids increases its absorption. However, this is not accurate. Antacids containing aluminum, magnesium, or calcium can interfere with the absorption of ciprofloxacin by forming insoluble complexes with the drug, leading to decreased absorption rather than an increase.
D. Decreased:
This choice correctly identifies the effect of taking ciprofloxacin with antacids. When ciprofloxacin is taken concurrently with antacids containing aluminum, magnesium, or calcium, the absorption of ciprofloxacin is decreased. The ions in the antacids bind with ciprofloxacin in the gastrointestinal tract, forming insoluble complexes that are poorly absorbed, thereby reducing the effectiveness of the antibiotic.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Keep the serum drug level within the therapeutic margin:
This is the correct goal of monitoring peak and trough levels during antibacterial therapy. The therapeutic margin refers to the range of drug concentrations in the bloodstream that achieves optimal therapeutic effects while avoiding toxicity. By monitoring peak and trough levels, healthcare providers can adjust the dosing regimen to maintain drug levels within this therapeutic margin.
B. Increase the therapeutic effect of the drug by gradually decreasing the drug dose:
This statement is incorrect. Monitoring peak and trough levels is not about increasing the therapeutic effect of the drug by gradually decreasing the drug dose. Instead, it's about ensuring that the drug levels are maintained within the appropriate therapeutic range to achieve optimal efficacy without causing adverse effects.
C. Provide maximum physical comfort to the patient:
Monitoring peak and trough levels is not primarily aimed at providing physical comfort to the patient. While optimizing drug therapy can contribute to improved clinical outcomes and patient well-being, the goal of monitoring these levels is specifically related to achieving therapeutic drug concentrations.
D. Treat the main disorder with no psychological distress to the patient:
This statement is unrelated to the goal of monitoring peak and trough levels during antibacterial therapy. While psychological distress may be a consideration in patient care, the primary goal of monitoring drug levels is to ensure therapeutic efficacy and safety.
Correct Answer is ["0.6"]
Explanation
To calculate the volume of diazepam solution needed, we can use the formula:
Volume (mL) = Total dose (mg) / Concentration (mg/mL)
Given:
Total dose = 3 mg
Concentration = 5 mg/mL
Plugging the values into the formula:
Volume (mL) = 3 mg / 5 mg/mL
Volume (mL) = 0.6 mL
The nurse should administer: 0.6 mL
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