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
Beginning ball-squeezing exercises is a correct instruction. These exercises, along with others like wall climbing, are essential to promote lymphatic drainage and restore range of motion in the arm on the affected side. Starting these early helps prevent the development of lymphedema, a common complication of mastectomy, by facilitating circulation and reducing fluid accumulation.
Choice B rationale
Wearing a bra with wire support is incorrect. Post-mastectomy, a client should be advised to wear a soft, supportive, and non-restrictive bra, preferably without underwire. Underwire can cause pressure and irritation on the incision site, potentially delaying healing and increasing the risk of lymphedema by compressing lymphatic vessels, which impedes the proper flow of lymph.
Choice C rationale
Avoiding using the affected arm for eating is incorrect. Gentle use of the affected arm for activities of daily living, such as eating and dressing, is encouraged early on to promote mobility and prevent stiffness. The key is to avoid strenuous activities and heavy lifting, but using the arm for routine tasks is beneficial for maintaining function and promoting recovery.
Choice D rationale
Using deodorant under the affected arm is incorrect. After a modified radical mastectomy, the client should be advised to avoid applying deodorant, lotions, or creams to the axilla on the surgical side. The skin in this area is often sensitive and prone to irritation, and these products can introduce bacteria, increasing the risk of infection and interfering with the healing process of the surgical site. .
Correct Answer is A
Explanation
Choice A rationale
Counterpressure is a nonpharmacologic pain management technique that involves applying firm, steady pressure to the sacral area during contractions. It is particularly effective for back pain during labor, which is often caused by the occiput of the fetus pressing against the maternal sacrum. This physical pressure helps to distract the brain from the pain signals and can help to realign the fetal head. It provides direct relief by counteracting the pressure from the fetus.
Choice B rationale
Terbutaline is a tocolytic medication that is used to relax the smooth muscles of the uterus and inhibit contractions. Administering this medication would halt the progression of labor, which is not the goal in this situation. The client is in the latent phase of labor, and the primary goal is to manage the pain while allowing the labor process to continue naturally. Therefore, terbutaline is contraindicated as it would interfere with the normal course of labor.
Choice C rationale
A pudendal nerve block is a form of regional anesthesia that anesthetizes the pudendal nerve, providing pain relief to the perineum, vulva, and vagina. It is typically administered in the second stage of labor just before delivery or for an episiotomy repair, as it is not effective for the pain associated with uterine contractions. The client is in the latent phase of labor and experiencing back pain, so a pudendal block would not be an appropriate intervention at this time.
Choice D rationale
While a warm bath can be a useful comfort measure during labor, it is not the most effective intervention for severe back pain specifically caused by the fetal position. Counterpressure provides targeted, direct pressure to the source of the pain, offering more immediate and substantial relief. A warm bath may provide general relaxation and distraction, but it does not address the underlying mechanical cause of the pain as effectively as counterpressure.
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