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 Erythromycin can cause ototoxicity, which may present as tinnitus (ringing in the ears). Monitoring for this side effect is important to prevent potential hearing damage.

 Monitoring the serum medication levels is crucial when administering gentamicin. Gentamicin has a narrow therapeutic index, meaning the difference between a therapeutic dose and a toxic dose is small. Regular monitoring helps ensure the drug remains within the safe and effective range, reducing the risk of nephrotoxicity and ototoxicity.

Metronidazole is an antibiotic that is effective against anaerobic bacteria and protozoa. It is not effective against Gram-negative bacteria such as Pseudomonas aeruginosa or Klebsiella, nor is it effective against fungi such as Candida. However, it is the drug of choice for the treatment of Trichomoniasis vaginalis, a common sexually transmited infection caused by a protozoan parasite. Therefore, the nurse should include in the teaching that metronidazole is indicated for the treatment of Trichomoniasis vaginalis.

According to Mayo Clinic, if you are using more than one eye product, you should apply these medicines at least 5 minutes apart1. None of the other options are listed as instructions for administering timolol and pilocarpine eye drops.

Gout is a type of arthritis caused by a build-up of uric acid crystals in the joints, leading to inflammation, pain, and swelling. Allopurinol is a medication used to treat gout by reducing the production of uric acid in the body. It works by inhibiting the enzyme xanthine oxidase, which is responsible for producing uric acid.

It is important for the nurse to understand the client’s concerns and reasons for refusing the medication. This can help the nurse address any misunderstandings or fears the client may have and provide appropriate education and support. The other options may also be appropriate actions for the nurse to take, but understanding the client’s perspective is an important first step.

According to UpToDate, cross-reactivity between penicillins and other beta-lactam antibiotics such as cephalosporins can occur in some cases1. Amoxicillin is a type of penicillin, so the nurse should verify this prescription with the provider to ensure that it is safe for the client to take.

Neuromuscular-blocking agents paralyze the muscles, including the respiratory muscles. Therefore, it is crucial to ensure that the patient maintains a patent airway and is able to breathe effectively. The nurse should monitor the patient's respiratory rate, depth, and effort, as well as assess for signs of airway obstruction, such as stridor or wheezing.

Cephalexin is an oral antibiotic medication used to treat bacterial infections. In this scenario, the client has difficulty swallowing pills, so the medication is provided in oral suspension form. When administering oral suspension medication, it is important to ensure that the medication is evenly mixed before giving it to the client. However, shaking the medication vigorously can result in the formation of bubbles that can make it difficult to accurately measure the correct dose. Instead, the nurse should gently swirl the medication to ensure that it is evenly mixed.