ATI RN
Quizlet ATI Pharmacology Final Questions
Question 1 of 5
A 17-year-old client is taking phenytoin (Dilantin) for the treatment of seizures. Phenytoin blood level reveals to be 25 mcg/ml. Which of the following symptoms would be expected as a result of the laboratory result?
Correct Answer: D
Rationale: Phenytoin is an antiepileptic medication that is used to treat seizures. It has a narrow therapeutic range, and a blood level of 25 mcg/ml is considered to be high. At this level, patients are at risk for developing symptoms of phenytoin toxicity. Nystagmus, which is an involuntary rapid eye movement, is a common symptom of phenytoin toxicity. Other symptoms of phenytoin toxicity may include ataxia, diplopia, slurred speech, confusion, and drowsiness. It is important to monitor phenytoin blood levels regularly to avoid toxicity and adjust the dose accordingly.
Question 2 of 5
When applying transdermal nitroglycerin patches, which instruction by the nurse is correct?
Correct Answer: A
Rationale: The correct instruction by the nurse when applying transdermal nitroglycerin patches is to "Rotate application sites with each dose." This is important to prevent skin irritation and tolerance to the medication. It is recommended to apply the patch to a different, clean, hairless area of skin for each dose to ensure proper absorption and effectiveness of the medication. Additionally, rotating application sites helps reduce the risk of skin reactions such as redness, itching, or rash.
Question 3 of 5
When monitoring a patient for signs of hypokalemia, the nurse looks for what early sign?
Correct Answer: D
Rationale: One of the early signs of hypokalemia is muscle weakness. Potassium plays a crucial role in maintaining normal muscle function, including the contraction of skeletal and smooth muscles. A deficiency in potassium can lead to muscle weakness, cramping, and fatigue. It is important for the nurse to monitor any signs of muscle weakness in a patient at risk for hypokalemia as it can progress to more severe complications if left untreated. Seizures and cardiac dysrhythmias are more severe manifestations of hypokalemia that can occur if the condition is not promptly addressed. However, muscle weakness is often an early and noticeable sign that can alert healthcare providers to the need for intervention.
Question 4 of 5
The nurse is giving intravenous nitroglycerin to a patient who has just been admitted because of an acute myocardial infarction. Which statement is true regarding the administration of the intravenous form of this medication?
Correct Answer: D
Rationale: Intravenous nitroglycerin is commonly administered in infusions along with other medications, such as heparin and morphine, to manage acute myocardial infarction. By giving it in infusions, healthcare providers can control the dosage and titrate it to the patient's response while also minimizing the risk of sudden drops in blood pressure. Additionally, administering nitroglycerin in infusions allows for precise and continuous delivery of the medication to achieve the desired therapeutic effect.
Question 5 of 5
When reviewing the health history of a patient, the nurse will note that a potential contraindication to potassium supplements exists if the patient has which problem?
Correct Answer: C
Rationale: Patients with renal disease may have difficulty excreting potassium properly. If a patient with renal disease takes potassium supplements, it can lead to hyperkalemia, which is a high level of potassium in the blood. Hyperkalemia can be dangerous and may result in cardiac dysrhythmias and other serious complications.
Therefore, patients with renal disease should avoid potassium supplements unless directed otherwise by their healthcare provider.