Which of the following would reduce the absorption of ciprofloxacin?
Alcohol
Intense physical exertion
Fruit juices, in particular grapefruit juice
Antacids or mineral supplements
The Correct Answer is D
A.Alcohol:
Alcohol consumption does not directly reduce the absorption of ciprofloxacin. However, alcohol can interact with certain medications and may exacerbate side effects such as dizziness, drowsiness, and gastrointestinal upset. It’s generally advisable to avoid excessive alcohol consumption while taking ciprofloxacin, but alcohol itself does not significantly affect the absorption of the medication.
B. Intense physical exertion:
Intense physical exertion is unlikely to directly reduce the absorption of ciprofloxacin. However, gastrointestinal motility may increase during intense exercise, potentially affecting the absorption of oral medications. In some cases, gastrointestinal disturbances associated with physical exertion may affect the absorption of ciprofloxacin, but this effect is generally minor and not a significant concern for most individuals.
C. Fruit juices, in particular grapefruit juice:
Grapefruit juice is known to interact with certain medications by inhibiting intestinal enzymes responsible for drug metabolism, leading to increased drug concentrations in the bloodstream. However, ciprofloxacin is not significantly affected by grapefruit juice. In fact, fruit juices, including grapefruit juice, are generally not known to reduce the absorption of ciprofloxacin.
D. Antacids or mineral supplements:
Antacids and mineral supplements containing aluminum, magnesium, calcium, or iron can significantly reduce the absorption of ciprofloxacin when taken concurrently. These substances can form complexes with ciprofloxacin in the gastrointestinal tract, reducing its bioavailability. Therefore, it’s recommended to avoid taking antacids or mineral supplements containing these minerals within a few hours before or after taking ciprofloxacin to avoid interference with its absorption.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
- Do not have to demonstrate effectiveness:
This statement is generally true under DSHEA regulations. Unlike pharmaceutical drugs, dietary supplements are not required to undergo rigorous testing to demonstrate their effectiveness in treating, preventing, or curing specific health conditions before they are marketed. However, manufacturers are prohibited from making unsubstantiated claims about the effectiveness of their products.
B. Are determined to be safe before being placed on the market:
Under DSHEA regulations, dietary supplement manufacturers are responsible for ensuring the safety of their products before they are marketed. However, unlike pharmaceutical drugs, dietary supplements do not undergo premarket approval by the Food and Drug Administration (FDA) to verify their safety and efficacy. Instead, manufacturers are required to notify the FDA of their intent to market a new dietary ingredient (NDI) and provide evidence of the ingredient’s safety.
C. Are checked for label accuracy:
The FDA regulates dietary supplements to ensure that their labels are accurate and truthful. However, the extent of label accuracy checking varies, and the FDA does not routinely test every dietary supplement product on the market. Instead, the FDA relies on postmarket surveillance, consumer complaints, and other mechanisms to identify and address inaccuracies or violations of labeling regulations.
D. Are tested prior to marketing:
Unlike pharmaceutical drugs, dietary supplements are not required to undergo premarket testing to demonstrate their safety or efficacy before they are marketed. While manufacturers are responsible for ensuring the safety of their products, there is no formal premarket testing requirement under DSHEA regulations.
Correct Answer is C
Explanation
A. BP 98/62:
A blood pressure of 98/62 mmHg is within the normal range for an adult, although it's slightly lower than the average blood pressure. While monitoring blood pressure is important, this reading doesn't indicate a critical condition and doesn't require immediate intervention.
B. Urticaria:
Urticaria, also known as hives, is a skin rash characterized by raised, itchy welts. While it can be uncomfortable and may indicate an allergic reaction, it's not immediately life-threatening. However, it does warrant attention and further assessment.
C. Wheezing:
Wheezing is a high-pitched whistling sound that occurs during breathing and can indicate airway obstruction, such as in an allergic reaction or asthma exacerbation. Wheezing can be a sign of a severe allergic reaction or anaphylaxis, which requires immediate intervention to ensure the patient's airway remains open and to administer appropriate treatment.
D. Pulse rate 104/min:
A pulse rate of 104 beats per minute (bpm) is slightly elevated but within the normal range for an adult. While it's important to monitor heart rate, this finding alone doesn't indicate an immediate threat to the patient's life.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.