A nurse is teaching a client who has a new prescription for tetracycline.
Which of the following information should the nurse include in the teaching?
You should take this medication with milk.
You should take this medication at bedtime.
Light sensitivity is an adverse effect of this medication.
Constipation is an adverse effect of this medication.
The Correct Answer is C
Choice A rationale
Tetracycline binds to divalent and trivalent cations such as calcium, magnesium, and aluminum. Milk and dairy products are rich in calcium, so taking tetracycline with milk significantly reduces its absorption from the gastrointestinal tract, rendering the medication less effective. The drug should be taken on an empty stomach with a full glass of water.
Choice B rationale
Taking tetracycline at bedtime is not a recommended practice for this drug. Although some medications are taken at night to avoid side effects or promote sleep, tetracycline can cause gastroesophageal reflux or esophagitis, particularly when a person lies down soon after ingestion. It is important to remain upright for at least 30 minutes after taking the medication.
Choice C rationale
Photosensitivity is a well-documented adverse effect of tetracycline. The drug sensitizes the skin to ultraviolet light, leading to an exaggerated sunburn reaction. This is due to the drug's accumulation in the skin and its ability to absorb light energy. Clients must be advised to use sunscreen, wear protective clothing, and avoid prolonged sun exposure.
Choice D rationale
Tetracycline is known to cause gastrointestinal side effects, but diarrhea is far more common than constipation. This is often due to the disruption of the normal gut flora, which can lead to opportunistic infections like Clostridium difficile. While not exclusively causing diarrhea, constipation is not a typical adverse effect and should not be the primary teaching point. *.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B"]
Explanation
Choice A rationale
A dosimeter is used to measure the amount of radiation exposure for the healthcare professional, not the client. It is a personal radiation-monitoring device that provides a record of an individual's accumulated dose of ionizing radiation. Attaching a dosimeter to the client's gown is an inappropriate intervention as the client is the source of the radiation, and the dosimeter is designed to protect the healthcare worker by monitoring their exposure.
Choice B rationale
Brachytherapy involves placing a radioactive source close to the tumor. To minimize the radiation exposure of others, a safe distance is maintained. A distance of at least 1 meter (3.3 feet) from the source of radiation is a standard safety measure for visitors and healthcare staff. This inverse square law principle of radiation safety dictates that intensity decreases with the square of the distance from the source, so increasing distance significantly reduces exposure.
Choice C rationale
When a client is undergoing brachytherapy, it is essential to limit the amount of time visitors spend in close proximity. The typical time limit for visitors is 30 minutes per day, not 2 hours. This is a crucial radiation safety measure that adheres to the principle of "Time, Distance, and Shielding.”. Limiting the time of exposure directly reduces the total radiation dose received by the visitor, thereby minimizing potential harm from the radiation source.
Choice D rationale
For a client undergoing brachytherapy, there is a risk that the radioactive implant could be dislodged and expelled from the body. Therefore, straining the client's urine is a critical intervention. This allows the nurse to inspect for and retrieve the implant if it has been inadvertently expelled, ensuring it is not lost and that appropriate safety protocols for handling radioactive materials are followed. This also prevents potential radiation exposure to others. *.
Correct Answer is B
Explanation
Choice A rationale
Carbonated beverages contain gas that expands the stomach, increasing pressure on the lower esophageal sphincter (LES). This increased pressure can cause the LES to relax and allow gastric contents to reflux into the esophagus, exacerbating heartburn. Additionally, the acidic nature of many carbonated drinks can irritate the already inflamed esophageal lining.
Choice B rationale
Hot herbal tea can relax the esophageal muscles and soothe irritation. However, some herbal teas, like peppermint, can relax the lower esophageal sphincter, potentially worsening reflux. In contrast, chamomile or ginger tea may have a calming effect on the stomach and reduce inflammation, which can alleviate the symptoms of heartburn.
Choice C rationale
High-fat snacks, especially those consumed at bedtime, delay gastric emptying. The presence of food in the stomach for a prolonged period increases the risk of gastric reflux. Delayed emptying leads to a larger volume of stomach contents exerting pressure on the lower esophageal sphincter, making it more likely to open and allow acid to escape.
Choice D rationale
Lying down after meals increases the pressure on the lower esophageal sphincter and places the stomach contents in a position where gravity no longer helps keep them down. This postural change makes it easier for stomach acid to flow back into the esophagus, which is a primary cause of heartburn. Remaining upright for at least 30 minutes after eating is recommended. *.
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