Certified Medical-Surgical Registered Nurse Practice Exam

What is the common assessment finding in a patient with a middle cerebral artery stroke?

1. Contralateral hemiplegia

2. Anisocoria

3. Aphasia

4. All of the above

The correct answer is: All of the above

In the context of a middle cerebral artery (MCA) stroke, various key assessment findings can be observed, contributing to a fuller understanding of the implications of such a stroke on a patient's neurological function. Contralateral hemiplegia is a significant finding, as it refers to weakness or paralysis on one side of the body opposite to the affected side of the brain. This occurs due to the MCA's role in supplying blood to specific areas of the brain responsible for motor control, primarily in the frontal and parietal lobes. The resulting motor deficits will typically present on the side of the body opposite the neurological insult. Aphasia represents another common finding due to the MCA's involvement in the language centers of the brain, particularly when the left hemisphere is affected. Patients may demonstrate difficulty with speaking, understanding language, reading, or writing, depending on the exact location and extent of the stroke. Anisocoria, or unequal pupil sizes, can also occur, indicating potential involvement of pathways that regulate pupillary response. While it is less specifically tied to the location of an MCA stroke when compared to hemiplegia and aphasia, it can be an associated finding due to overall cerebral compromise or increased intracranial pressure. Considering these common