What is a side e昀昀ect for Phenytoin?

Correct Answer: D

Rationale: Tremors are a common side effect associated with the use of Phenytoin. Phenytoin is an antiepileptic drug that can affect the nervous system, leading to involuntary shaking or tremors. These tremors can affect different parts of the body and may vary in severity. It is important for individuals taking Phenytoin to be aware of this potential side effect and consult their healthcare provider if they experience tremors as a result of taking the medication.

Correct Answer: A

Rationale: Ondansetron, which is commonly used to prevent nausea and vomiting, can be administered via three routes: Orally (PO), Intravenously (IV), and Rectally (Rectal). These routes allow for flexible administration based on the patient's condition and needs. Intramuscular (IM) administration is not a recognized route for ondansetron administration.

Correct Answer: B

Rationale: Cocaine is unique among local anesthetics because it undergoes metabolism by plasma esterases, unlike other local anesthetics which are typically metabolized by the liver. This rapid metabolism by plasma esterases contributes to its short duration of action as a local anesthetic. This property of cocaine also contributes to its potential for systemic toxicity and drug interactions, making it important to consider when using cocaine in a clinical setting.

Correct Answer: B

Rationale: Erythromycin is a suitable alternative for patients allergic to penicillin. Erythromycin belongs to the macrolide class of antibiotics and is effective against a wide range of bacterial infections. It is generally well-tolerated and can be used as an alternative in cases of penicillin allergy.cephalosporins, tetracyclines, sulfonamides, and aminoglycosides like gentamicin should not be prescribed to a patient with a known penicillin allergy as they can potentially cross-react and cause allergic reactions.

Correct Answer: A

Rationale: The correct instruction the nurse should give the patient who is experiencing constipation and dry mouth as side effects of amitriptyline (Elavil) is to increase fluid intake. Increasing fluid intake can help alleviate these side effects. Adequate hydration can help with constipation by softening stools and making bowel movements easier, and it can also help relieve dry mouth by promoting saliva production. It is a simple and effective measure that can be taken to manage these common side effects without the need to stop the medication or switch to a different antidepressant.