An 86-year-old woman is brought to the emergency department by her niece because the patient felt like she was spinning and about to topple over. This occurred around 4 hours ago, and although symptoms have improved, she still feels like she is being pulled to the right side. Her vital signs include: blood pressure 116/75 mm Hg, pulse 90/min, and SpO2 99% on room air. Physical examination reveals right-sided limb ataxia along with hypoalgesia and decreased temperature sensation on the right side of the face and left side of the body. An urgent noncontrast CT scan of the head shows no evidence of hemorrhage. What other finding is most likely to be present in this patient?
A. Hemiparesis
B. Deviated tongue
C. Hemianopia
D. Intact cough reflex
E. Absent gag reflex