After an older client receives treatment for drug toxicity, the healthcare provider prescribes a 24-hour creatinine clearance test. Prior to starting the urine collection, the nurse notes that the client's serum creatinine is 0.3 mg/dL (22.9 μmol/L). Which action should the nurse implement?
Creatinine [Reference Range: 0.5 to 1.1 mg/dL (44 to 97 μmol/L)]

It is important to assess the child's vital signs, including oxygen saturation (SaO2), to ensure their stability and identify any signs of respiratory distress or other abnormalities that may impact medication administration.

Prior to administering any medication, it is crucial to verify if the child has any known allergies to medications. This information is essential for ensuring the safety of the child and preventing any potential allergic reactions.

Before administering pain medication, the nurse must verify that the prescribed dosage is appropriate for the child's age, weight, and condition. Ensuring the correct dosage helps prevent medication errors and potential adverse effects.

It is important to use a validated pain assessment tool that is appropriate for the child's age and cognitive abilities. This allows for a comprehensive and accurate assessment of the child's pain level, helping guide appropriate pain management interventions.

Considering the child has cognitive and speech delays, the input from the parent regarding the child's pain is valuable. The nurse should assess and consider the parent's report of the child's pain in conjunction with other assessment findings to ensure effective pain management.

Subjective pain assessment is mentioned as a finding but may not require immediate action, as it needs to be combined with other assessment data for a comprehensive evaluation.

A pounding headache in a client with COPD may be a symptom of increased carbon dioxide (CO2) levels in the blood, known as hypercapnia. Hypercapnia can lead to vasodilation, resulting in headaches. In this situation, it is crucial to assess the client's blood pressure to determine if it is elevated, as this could be contributing to the headache.

Obtaining a manual blood pressure measurement allows for a more accurate assessment of the client's blood pressure compared to automated measurements. It is important to assess both systolic and diastolic blood pressures, as elevated blood pressure can worsen headaches and have other negative effects on the client's health.

Elevating the head of the bed no higher than 30 degrees is a general measure used to improve respiratory function in clients with COPD. However, in this specific situation, it may not directly address the pounding headache. Elevating the head of the bed can help reduce dyspnea and improve oxygenation, but it may not alleviate the headache caused by hypercapnia.

Affirming blood glucose levels are below 160 mg/dL (8.88 mmol/L) is not the primary concern in this case. While high blood glucose levels can have various effects on the body, including headaches, the priority is to assess the client's blood pressure due to the specific context of a COPD exacerbation.

Checking for a stat intravenous diuretic prescription is not necessary in response to the client's headache. Diuretics are typically used to remove excess fluid from the body and may not directly address the underlying cause of the headache in this situation.