A nurse is caring for a client in a provider's office.

For each potential client finding, click to specify if the finding is expected or unexpected for the client following their prescribed therapy. There must be at least 1 selection in every row. There does not need to be a selection in every column.

Phenytoin is a primary anticonvulsantutilized for the management of generalized tonic-clonic seizures and complex partial seizures. It works by blocking voltage-gated sodium channels, thereby preventing the repetitive firing of neuronal action potentials that characterize seizure activity. Its role in neurological stabilizationis well-established, though it requires diligent monitoring of serum drug levels to ensure therapeutic efficacy.

Rationale:

A.Status asthmaticus is an acute, severe asthma exacerbation that does not respond to standard bronchodilator therapy and requires corticosteroids or oxygen. Phenytoin has no pharmacological role in the respiratory system or the treatment of bronchospasm. This condition is a medical emergency focused on ventilation and airway management rather than the control of neuronal electrical activity.

B.Status epilepticus is a life-threatening state of persistent seizure activity where phenytoin is frequently used as a secondary agent for long-term seizure control. Following the initial administration of benzodiazepines to stop the acute seizure, phenytoin provides the sustained neuronal stabilization needed to prevent recurrence. It is a cornerstone of emergency neurological protocols designed to protect the brain from metabolic exhaustion.

C.A kidney transplant requires the lifelong administration of immunosuppressant medications, such as cyclosporine or tacrolimus, to prevent organ rejection. Phenytoin is not an immunosuppressant and actually has significant drug interactions that could lower the levels of transplant medications. Using phenytoin in this context would be inappropriate and potentially detrimental to the survival of the transplanted organ.

D.Endocarditis is a microbial infection of the heart valves or endocardium that necessitates prolonged courses of high-dose intravenous antibiotics. Phenytoin does not possess antimicrobial properties and cannot treat the underlying infection in endocarditis. While a patient with endocarditis might have a seizure due to an embolic stroke, the indication for phenytoin remains seizure management, not the heart condition.

Simvastatin is an HMG-CoA reductase inhibitorused to treat dyslipidemia by reducing hepatic cholesterol synthesis. While effective for cardiovascular prophylaxis, it carries risks of hepatotoxicityand myopathy. Clinical monitoring focuses on liver function tests and markers of muscle integrity to detect early signs of statin-inducedorgan injury.

Rationale:

A.Decreased creatine kinase (CK) is not a finding of clinical concern; however, increased CK would be highly significant. Elevated CK levels indicate muscle breakdown or rhabdomyolysis, which is a rare but severe side effect of statin therapy. A low or normal CK level suggests that the medication is not currently causing significant damage to the client's skeletal muscle tissue.

B.Increased alkaline phosphatase is a marker of potential liver injury or biliary obstruction and must be reported to the provider immediately. Since simvastatin is processed by the liver, it can cause asymptomatic elevations in liver enzymes or, in rare cases, drug-induced hepatitis. The nurse must monitor for jaundice and upper quadrant pain when these laboratory values are elevated.

C.Increased HDL is a positive therapeutic outcome of simvastatin therapy and does not need to be reported as an adverse finding. High-density lipoprotein is the "good" cholesterol that aids in the transport of cholesterol away from the arteries. An increase in this value indicates that the medication and lifestyle changes are successfully reducing the client's overall cardiovascular risk profile.

D.Decreased HbA1c is generally a favorable finding, as it indicates improved long-term glucose control. Statins have actually been associated with a slight increase in HbA1c and blood glucose levels in some patients, potentially increasing the risk of diabetes. Therefore, a decrease would not be considered a medication-related adverse effect that requires urgent notification to the healthcare provider.