A client receives a prescription for ophthalmic ketorolac.
Prior to administering the medication, the nurse should review the medical record for which condition?
Radiation exposure
Corneal abrasion
Chemical burn
Foreign body
The Correct Answer is B
Choice A rationale:
Radiation exposure to the eye is a serious condition that requires immediate medical attention. However, it is not a contraindication for ophthalmic ketorolac. In fact, ketorolac may be used to treat pain and inflammation associated with radiation exposure to the eye.
Ophthalmic ketorolac is a nonsteroidal anti-inflammatory drug (NSAID) that works by inhibiting the production of prostaglandins, which are substances that cause inflammation and pain.
Radiation exposure can damage the cells of the eye, leading to inflammation and pain. Ketorolac can help to reduce these symptoms.
However, it is important to note that ketorolac does not address the underlying cause of radiation exposure, and further treatment may be necessary.
Choice B rationale:
Corneal abrasion is a scratch on the surface of the cornea, the clear outer layer of the eye. It is a common eye injury that can be caused by a variety of factors, such as getting poked in the eye, rubbing the eye too hard, or wearing contact lenses for too long.
Ophthalmic ketorolac is contraindicated in patients with corneal abrasions because it can delay healing and increase the risk of infection.
This is because ketorolac inhibits the production of prostaglandins, which are involved in the healing process. Prostaglandins also play a role in fighting infection.
Therefore, using ketorolac in a patient with a corneal abrasion could potentially lead to a more serious infection.
Choice C rationale:
Chemical burn to the eye is a serious injury that requires immediate medical attention. Ophthalmic ketorolac is not typically used to treat chemical burns to the eye.
This is because ketorolac is not effective in reducing inflammation caused by chemical burns. In addition, ketorolac can potentially worsen the injury by delaying healing.
Choice D rationale:
Foreign body in the eye is a common eye injury that can be caused by a variety of objects, such as dust, sand, or metal shavings. Ophthalmic ketorolac is not typically used to treat foreign bodies in the eye.
This is because ketorolac will not help to remove the foreign body from the eye. In addition, ketorolac can potentially worsen the injury by delaying healing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Step 1: Identify the desired dose and the available concentration. Desired dose: 500 mg of vancomycin
Available concentration: 500 mg per 100 ml
Step 2: Determine the volume needed to deliver the desired dose.
Since the available concentration is 500 mg per 100 ml, no further calculation is required. The volume needed to deliver 500 mg of vancomycin is already 100 ml.
Step 3: Calculate the infusion rate in mL/hr.
The medication needs to be administered over 1 hour.
Therefore, the infusion pump should be set to deliver the 100 ml of solution over 1 hour. Infusion rate = 100 ml / 1 hour = 100 mL/hr.
Correct Answer is B
Explanation
Choice A rationale:
While some individuals with Crohn's disease may find that avoiding gluten improves their symptoms, this is not a universal recommendation.
Gluten restriction is more often indicated for those with celiac disease or gluten sensitivity.
It's important to individualize dietary recommendations based on personal triggers and sensitivities.
Choice B rationale:
An elimination diet is a systematic approach to identifying foods that may trigger or worsen Crohn's disease symptoms.
It involves removing certain foods from the diet for a period of time, typically 2-4 weeks, and then gradually reintroducing them one at a time to observe any reactions.
This process can help individuals pinpoint specific foods that contribute to their symptoms and make informed dietary choices to manage their condition.
Choice C rationale:
There is no evidence to support a general restriction of calcium and iron in individuals with Crohn's disease.
In fact, these nutrients are essential for overall health and should be consumed in adequate amounts unless a specific deficiency or intolerance is identified.
Restriction of these nutrients could lead to nutritional deficiencies.
Choice D rationale:
Fluid restriction is not a primary dietary limitation for individuals with Crohn's disease.
Maintaining adequate hydration is crucial for overall health, especially during flares when fluid loss through diarrhea may be increased.
Restricting fluids could potentially lead to dehydration and electrolyte imbalances.
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