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 A
Explanation
Choice A rationale
Metformin extended-release tablets are designed with a special matrix that releases the medication gradually over time. Crushing or chewing the tablet would destroy this matrix, leading to an immediate and potentially unsafe release of the entire dose. This could cause a sudden drop in blood glucose and increase the risk of adverse gastrointestinal side effects.
Choice B rationale
Metformin is typically recommended to be taken with the evening meal to minimize gastrointestinal side effects such as nausea and diarrhea, which are common when starting the medication. Taking it in the morning on an empty stomach could increase the severity of these adverse effects due to the rapid concentration increase in the gastrointestinal tract.
Choice C rationale
Metformin is not associated with weight gain; in fact, it is often associated with a small amount of weight loss. This is due to its effect on reducing appetite and its ability to improve insulin sensitivity, which can help regulate metabolism and prevent the weight gain often seen with other diabetes medications.
Choice D rationale
Metformin is best taken with a meal to enhance its absorption and to mitigate common gastrointestinal side effects. Taking it on an empty stomach can increase the likelihood and severity of adverse effects like nausea, vomiting, and diarrhea because the medication can directly irritate the gastrointestinal mucosa
Correct Answer is D
Explanation
Choice A rationale
Amnioinfusion is the infusion of saline into the amniotic cavity. It is used to treat umbilical cord compression or meconium staining, not to manage seizures. Initiating an amnioinfusion during a seizure would be an inappropriate and ineffective intervention that would not address the underlying physiological cause of eclampsia or the immediate post-seizure recovery.
Choice B rationale
An internal fetal heart monitor is an invasive procedure requiring the rupture of membranes and insertion of a fetal spiral electrode. This is not the priority action following a seizure. Post-seizure priority is maternal stabilization, ensuring a patent airway, and preventing further injury. External fetal monitoring is the standard first-line approach to assess fetal well-being.
Choice C rationale
Calcium gluconate is the antidote for magnesium sulfate toxicity, not a treatment for seizures. Administering calcium gluconate would be inappropriate unless magnesium toxicity (e.g., respiratory depression) is suspected. The primary treatment for eclamptic seizures is magnesium sulfate, which works by depressing the central nervous system and blocking neuromuscular conduction.
Choice D rationale
Placing the client on her side is the priority action following a seizure. This position prevents aspiration of secretions, promotes venous return to the heart, and improves placental perfusion. This is a critical safety measure to protect both the mother and the fetus from further harm and is part of standard post-ictal care. *.
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