The patient asks, "Is there anything I have to worry about when taking Kava?" The best response by the nurse is:
Kava is a natural product and is safe for everyone.
You need a prescription to take it.
No worries, Kava is recommended for patients with depression.
It is best to inform your healthcare provider of any additional medication or supplements you plan to take to check for interactions that may be harmful.
The Correct Answer is D
Choice A rationale
Kava, despite being a natural product, is not safe for everyone. It has been associated with a significant risk of severe liver damage, including hepatitis, cirrhosis, and liver failure, even with moderate use. The active compounds, kavalactones, are metabolized by the liver and can cause hepatotoxicity, making it unsafe for individuals with pre-existing liver disease.
Choice B rationale
Kava is not a prescription medication in the United States or many other countries. It is widely available over-the-counter as a dietary supplement in various forms, such as capsules, powders, and teas. Its status as a supplement, rather than a drug, means it is not subject to the same strict regulations and oversight as prescription medications.
Choice C rationale
While some studies have explored kava's anxiolytic properties, it is not recommended for patients with depression. There is no strong evidence to support its use for this condition, and the potential for liver toxicity makes it a high-risk supplement. The risk of liver damage outweighs any potential benefit, especially given the availability of safer, effective antidepressant treatments.
Choice D rationale
The most appropriate response is to advise the patient to inform their healthcare provider. Kava can interact with many medications, particularly those metabolized by the liver, such as sedatives, anxiolytics, and antidepressants, increasing the risk of both drug toxicity and liver damage. A healthcare provider can assess for potential harmful interactions and advise on safe use.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Disulfiram is a medication used as a deterrent for alcohol use disorder. It works by inhibiting the enzyme acetaldehyde dehydrogenase, leading to an aversive reaction when alcohol is consumed. It is not used to manage the acute withdrawal symptoms but rather to prevent future alcohol consumption.
Choice B rationale
Naltrexone is an opioid receptor antagonist used to reduce alcohol cravings in individuals with alcohol use disorder. It does not treat the acute symptoms of alcohol withdrawal but helps to maintain abstinence by reducing the rewarding effects of alcohol, thereby reducing the desire to drink.
Choice C rationale
Methadone is a long-acting opioid agonist used for the treatment of opioid use disorder. It is used to manage withdrawal symptoms from opioids but has no role in the management of alcohol withdrawal syndrome, which is a separate and distinct medical condition.
Choice D rationale
Benzodiazepines, such as lorazepam or diazepam, are the first-line treatment for alcohol withdrawal syndrome. They work by enhancing the effects of gamma-aminobutyric acid (GABA), the brain's main inhibitory neurotransmitter, which counteracts the central nervous system hyper-excitability characteristic of alcohol withdrawal.
Correct Answer is B
Explanation
Choice A rationale
Antithyroid drugs are used to treat hyperthyroidism, a condition characterized by excessive thyroid hormone production. Their primary mechanism is to decrease, not increase, the synthesis of thyroid hormones to bring the body's metabolic rate back to a normal range.
Choice B rationale
The primary action of antithyroid medications, such as methimazole and propylthiouracil, is to inhibit the synthesis of thyroid hormones within the thyroid gland. They achieve this by blocking key enzymatic steps involved in the production of triiodothyronine ($T_3$) and thyroxine ($T_4$).
Choice C rationale
Antithyroid drugs do not directly stimulate the release of thyroid-stimulating hormone (TSH). TSH is produced by the pituitary gland, and its release is primarily regulated by the hypothalamus's secretion of thyrotropin-releasing hormone (TRH) and a negative feedback loop from circulating thyroid hormones.
Choice D rationale
While some antithyroid treatments, like radioactive iodine, do destroy thyroid tissue, this is not the primary action of most antithyroid drugs such as methimazole and propylthiouracil. These drugs work by inhibiting hormone production, leaving the thyroid tissue itself intact.
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