The client is 34 years old and has recently started taking theophylline.
The nurse knows that medication teaching has been successful when the client agrees to what activity?

Eating foods high in potassium.

Avoiding beverages that contain caffeine.

Taking the medication on an empty stomach.

Limiting fluid intake to 1,000 mL a day.

Answer and Explanation

The Correct Answer is B

Theophylline is a bronchodilator that is used to treat asthma and COPD.

It works by relaxing the smooth muscles of the airways and increasing airflow to the lungs.

However, theophylline has a narrow therapeutic range and can cause side effects such as nausea, vomiting, insomnia, tremors, and cardiac arrhythmias if the blood level is too high.

Caffeine is a stimulant that can increase the effects of theophylline and raise the risk of toxicity.

Therefore, patients taking theophylline should avoid caffeine-containing beverages such as coffee, tea, cola, and energy drinks.

Choice A is wrong because eating foods high in potassium has no effect on theophylline metabolism or action.

Potassium is an electrolyte that is important for nerve and muscle function, but it does not interact with theophylline.

Choice C is wrong because taking the medication on an empty stomach can increase the absorption of theophylline and cause gastric irritation.

Theophylline should be taken with food or milk to reduce stomach upset and prevent fluctuations in blood levels.

Choice D is wrong because limiting fluid intake to 1,000 mL a day can cause dehydration and increase the concentration of theophylline in the blood.

Theophylline

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Correct Answer is B

Explanation

This is because hypothyroidism can reduce the metabolism and clearance of theophylline, leading to higher serum levels and increased risk of toxicity. Therefore, when the thyroid function is restored by levothyroxine or liothyronine, the dose of theophylline may need to be lowered to avoid excessive effects.

Choice A is wrong because decreasing theophylline dosage immediately may result in suboptimal control of asthma symptoms.

The dose adjustment should be based on serum theophylline levels and clinical response.

Choice C is wrong because discontinuing the client’s theophylline may cause worsening of asthma and potentially life-threatening complications.

Theophylline is an important bronchodilator that should not be stopped abruptly without medical supervision.

Choice D is wrong because increasing theophylline dosage immediately may cause overdose and adverse effects such as nausea, vomiting, headache, tachycardia, arrhythmias, seizures and even death.

The dose of theophylline should be carefully titrated according to serum levels and clinical response.

A. Aspart. B. Lispro. C. Glulisine. D. Glargine. E. .

Correct Answer is D

Explanation

Glargine is a long-acting insulin that can provide a steady level of insulin for up to 24 hours. This would be suitable for a client who does not want to administer insulin on the plane, as they would only need one injection per day.

Choice A. Aspart is wrong because aspart is a rapid-acting insulin that has a peak effect within 1 to 3 hours and lasts for 3 to 5 hours.

This would require frequent injections and monitoring of blood glucose levels.

Choice B. Lispro is wrong because lispro is also a rapid-acting insulin that has a similar onset and duration as aspart.

It would not provide adequate coverage for a long international flight.

Choice C. Glulisine is wrong because glulisine is another rapid-acting insulin that has an onset of 15 minutes and a duration of 2 to 4 hours.

It would also require multiple injections and frequent blood glucose checks.

Normal ranges for blood glucose levels are 70 to 130 mg/dL before meals and less than 180 mg/dL after meals.

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The client is 34 years old and has recently started taking theophylline. The nurse knows that medication teaching has been successful when the client agrees to what activity?

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Naxlex Comprehensive Predictor Exams

The nurse is caring for a client newly diagnosed with hypothyroidism. The client also takes theophylline to control asthma symptoms. What change may need to be made to the client’s theophylline dose?

Correct Answer is B

Explanation

A client with type 1 diabetes presents to the diabetes educator and asks about a change in insulin. The client’s occupation requires long international flights, and the client does not want to administer insulin on the plane. What kind of insulin would best meet this client’s needs?

Correct Answer is D

Explanation

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The client is 34 years old and has recently started taking theophylline.
The nurse knows that medication teaching has been successful when the client agrees to what activity?