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.
The Correct Answer is B
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A 12-year-old child with obsessive-compulsive disorder is not typically a candidate for misoprostol, as it is not indicated for this condition.
B. A 46-year-old trial lawyer with hypertension might need caution when using misoprostol, as it can cause diarrhea and abdominal pain, which could be problematic.
C. An 83-year-old client with rheumatoid arthritis is the best candidate for misoprostol, particularly if they are taking nonsteroidal anti-inflammatory drugs (NSAIDs) for their condition. Misoprostol is often used to prevent NSAID-induced gastric ulcers in patients at high risk, such as elderly individuals or those with a history of ulcers.
D. A 22-year-old pregnant client should not be given misoprostol unless it is used for specific obstetric indications under close supervision. Misoprostol can induce uterine contractions and is contraindicated in pregnancy unless used for medical reasons like inducing labor or treating postpartum hemorrhage.
Correct Answer is C
Explanation
This strategy can help the client read the numbers on the syringe and prepare the correct dose of insulin. A magnifying glass is also an affordable and accessible tool for the client.
Choice A is wrong because preparing a week’s supply of syringes and refrigerating them can affect the potency and sterility of insulin.
It can also increase the risk of errors or confusion.
Choice B is wrong because asking a neighbor to come over every day to prepare the medication can compromise the client’s privacy and independence.
It can also be unreliable and inconvenient for both parties.
Choice D is wrong because changing the client to oral antidiabetics is not possible for type 1 diabetes.
People with type 1 diabetes need to take insulin for life because their pancreas cannot make insulin.
Oral antidiabetics are only effective for people with type 2 diabetes who have functioning pancreatic beta cells
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