A nurse is preparing to administer erythromycin PO to a client who has an infection. The nurse checks the client's medical record and notes that the client has a severe allergy to penicillin. Which of the following actions should the nurse take?
Request a different medication from the provider
Administer the medication to the client.
Premedicate the client with diphenhydramine.
Request a different route of administration from the provider.
The Correct Answer is B
A. There is no need for change of antibiotic as there is no cross-rectivity between macrolides and penicillins.
B. Given the client's severe allergy to penicillin, it would be safe to administer erythromycin, a macrolide, as there is no risk of cross-reactivity.
C. Diphenhydramine is an antihistamine commonly used to treat allergic reactions, but premedicating the client with diphenhydramine is not necessary.
D. Changing the route of administration would not alter the risk of an allergic reaction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
B. Acetylcysteine, also known as N-acetylcysteine (NAC), is the antidote for acetaminophen overdose. It works by replenishing depleted glutathione stores in the liver and preventing or reversing hepatotoxicity caused by acetaminophen overdose. Acetylcysteine should be administered as soon as possible after an acetaminophen overdose to maximize its effectiveness in preventing liver damage.
A. Monitoring amylase and lipase levels is not directly related to acetaminophen overdose. Amylase and lipase are pancreatic enzymes that are typically monitored to assess pancreatic function and diagnose conditions such as pancreatitis.
C. Obtaining a chest x-ray is not typically indicated for acetaminophen overdose. Acetaminophen overdose primarily affects the liver, and the manifestations are predominantly related to hepatotoxicity.
D. Naloxone is an opioid antagonist used to reverse opioid overdose by blocking opioid receptors. It is not indicated for acetaminophen overdose. Acetaminophen overdose does not involve opioid receptors, and naloxone would not be effective in treating acetaminophen toxicity.
Correct Answer is C
Explanation
C. Sublingual nitroglycerin is rapidly absorbed through the mucous membranes under the tongue, and its effects are usually felt within 1 to 5 minutes. Patients should experience relief from angina symptoms shortly after administration.
A. While sublingual nitroglycerin can be taken every 5 minutes for a maximum of three doses for acute angina attacks, it should not be taken every 10 minutes. Taking it too frequently can lead to excessive vasodilation and potentially harmful side effects.
B. Nitroglycerin primarily dilates blood vessels rather than affecting heart rate. While it may cause a transient decrease in blood pressure, it does not typically slow heart rate.
D. Sublingual nitroglycerin should be taken on an empty stomach for optimal absorption. Food can delay absorption and decrease the effectiveness of the medication.
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