A patient arrives in the emergency department exhibiting symptoms of a cerebrovascular accident (CVA). Which diagnostic evaluations would the nurse anticipate before treatment is initiated?

Choice C rationale
Dimming the lights and reducing stimulation can be an effective nursing intervention for a patient with herpes simplex virus encephalitis who is complaining of a headache. Bright lights and excessive noise can exacerbate headaches, so creating a quiet, dimly lit environment can help to alleviate this symptom.
Choice A rationale

While administering hydromorphone as needed can help to manage the patient’s pain, it does not directly address the patient’s complaint of a headache. Moreover, opioids like hydromorphone can have side effects such as drowsiness and constipation, which may not be desirable in a patient with encephalitis.
Choice B rationale
Distracting the patient with activity may not be appropriate for a patient with herpes simplex virus encephalitis who is complaining of a headache. Rest and quiet are often more beneficial for these patients.
Choice D rationale
Initiating a patient-controlled analgesia (PCA) of morphine sulfate can provide effective pain relief for some patients, but it may not be the best first-line approach for a patient with a headache due to herpes simplex virus encephalitis. Like hydromorphone, morphine can have side effects such as drowsiness and constipation.

Choice A rationale

While prothrombin level is an important test in evaluating blood clotting disorders, it is not typically used in the initial diagnostic evaluations for a cerebrovascular accident (CVA) or stroke.
Choice B rationale
Brain CT or MRI scans are commonly used in the initial diagnostic evaluations for a CVA. These imaging tests can show bleeding in the brain, an ischemic stroke, a tumor, or other conditions.
Choice C rationale
A chest x-ray is not typically used in the initial diagnostic evaluations for a CVA. It is more commonly used to diagnose conditions affecting the lungs and heart.
Choice D rationale
A lumbar puncture, or spinal tap, may be used in some cases to help diagnose a CVA, but it is not typically part of the initial diagnostic evaluations.